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Nikon P1100 vs Pentax K-3 III

The Nikon Coolpix P1100 and the Pentax K-3 III are two digital cameras that were announced, respectively, in February 2025 and March 2021. The P1100 is a fixed lens compact, while the K-3 III is a DSLR. The cameras are based on a 1/2.3-inch (P1100) and an APS-C (K-3 III) sensor. The Nikon has a resolution of 15.9 megapixels, whereas the Pentax provides 25.6 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon P1100
versus
Pentax K-3 III
Nikon P1100   Pentax K-3 III
Fixed lens compact camera Digital single lens reflex
24-3000mm f/2.8-8.0 Pentax K mount lenses
15.9 MP – 1/2.3" sensor 25.6 MP – APS-C sensor
4K/30p Video 4K/30p Video
ISO 100-6,400 ISO 100-160,000
Electronic viewfinder (2359k dots) Optical viewfinder
3.2" LCD – 921k dots 3.2" LCD – 1620k dots
Swivel screen (not touch-sensitive) Fixed touchscreen
7 shutter flaps per second 12 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
250 shots per battery charge800 shots per battery charge
146 x 119 x 181 mm, 1410 g 135 x 104 x 74 mm, 820 g
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Check P1100 price at
amazon.com
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Check K-3 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Coolpix P1100 and the Pentax K-3 III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon P1100 and the Pentax K-3 III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The K-3 III can be obtained in two different colors (black, silver), while the P1100 is only available in black.

Size Nikon P1100 vs Pentax K-3 III
Compare P1100 versus K-3 III top
Comparison P1100 or K-3 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably smaller (19 percent) than the Nikon P1100. It is noteworthy in this context that the K-3 III is splash and dust-proof, while the P1100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the P1100 has a lens built in, whereas the K-3 III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the P1100 gets 250 shots out of its Nikon EN-EL20a battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack. The power pack in the P1100 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon P1100 146 mm 119 mm 181 mm 1410 g 250 n Feb 2025 US$ 1 099 amazon.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 US$ 1 899ebay.com
4.
 
Nikon Coolpix A 111 mm 64 mm 40 mm 299 g 230 n Mar 2013 US$ 1 099ebay.com
5.
 
Nikon A1000 114 mm 72 mm 41 mm 330 g 250 n Jan 2019 US$ 429ebay.com
6.
 
Nikon B500 114 mm 78 mm 95 mm 541 g 600 n Jan 2016 US$ 299ebay.com
7.
 
Nikon B600 122 mm 82 mm 99 mm 500 g 280 n Jan 2019 US$ 349ebay.com
8.
 
Nikon L840 113 mm 78 mm 96 mm 538 g 590 n Feb 2015 US$ 299ebay.com
9.
 
Nikon P900 140 mm 103 mm 137 mm 899 g 360 n Mar 2015 US$ 599ebay.com
10.
 
Nikon P950 140 mm 110 mm 150 mm 1005 g 290 n Jan 2020 US$ 799 amazon.com
11.
 
Nikon P1000 146 mm 119 mm 181 mm 1415 g 250 n Jul 2018 US$ 999 amazon.com
12.
 
Panasonic FZ80D 130 mm 94 mm 119 mm 616 g 330 n Jul 2024 US$ 479 amazon.com
13.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
15.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 US$ 649ebay.com
16.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.com
17.
 
Sony HX99 102 mm 58 mm 36 mm 242 g 370 n Aug 2018 US$ 449ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The P1100 was launched at a lower price than the K-3 III, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon P1100 features a 1/2.3-inch sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 1189 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.5. The sensor in the P1100 has a native 4:3 aspect ratio, while the one in the K-3 III offers a 3:2 aspect.

Nikon P1100 and Pentax K-3 III sensor measures

With 25.6MP, the K-3 III offers a higher resolution than the P1100 (15.9MP), but the K-3 III nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 1.33μm for the P1100) due to its larger sensor. However, the P1100 is a much more recent model (by 3 years and 10 months) than the K-3 III, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Pentax K-3 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 III for good quality output (200 dots per inch) amounts to 31 x 20.6 inches or 78.6 x 52.4 cm, for very good quality (250 dpi) 24.8 x 16.5 inches or 62.9 x 41.9 cm, and for excellent quality (300 dpi) 20.6 x 13.8 inches or 52.4 x 35 cm. The corresponding values for the Nikon P1100 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

Unlike the P1100, the K-3 III has the capacity to capture high quality composite images (YESMP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Nikon Coolpix P1100 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (no boost).

In terms of underlying technology, the P1100 is build around a BSI-CMOS sensor, while the K-3 III uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

P1100 versus K-3 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon P1100 1/2.3 15.9 4608 34564K/30p20.912.9169454
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
4.
 
Nikon Coolpix A APS-C 16.1 4928 32641080/30p23.413.8116480
5.
 
Nikon A1000 1/2.3 15.9 4608 34564K/30p20.712.2109552
6.
 
Nikon B500 1/2.3 15.9 4608 34561080/60i20.311.781048
7.
 
Nikon B600 1/2.3 15.9 4608 34561080/30p20.712.2109552
8.
 
Nikon L840 1/2.3 15.9 4608 34561080/60i20.211.672147
9.
 
Nikon P900 1/2.3 15.9 4608 34561080/60p20.211.672747
10.
 
Nikon P950 1/2.3 15.9 4608 34564K/30p20.712.3118952
11.
 
Nikon P1000 1/2.3 15.9 4608 34564K/30p20.612.1104451
12.
 
Panasonic FZ80D 1/2.3 18.0 4896 36724K/30p20.912.8163454
13.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
14.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
15.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
16.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
17.
 
Sony HX99 1/2.3 18.0 4896 36724K/30p20.612.1105851
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the P1100 has an electronic viewfinder (2359k dots), while the K-3 III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The adjacent table lists some of the other core features of the Nikon P1100 and Pentax K-3 III along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon P11002359 n3.2 / 921 swivel n 1/4000s 7.0/s Y Y
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
4.
 
Nikon Coolpix Aoptional n3.0 / 921 fixed n 1/2000s 4.0/s Y n
5.
 
Nikon A10001166 n3.0 / 1036 tilting Y 1/4000s 7.0/s Y Y
6.
 
Nikon B500none n3.0 / 921 tilting n 1/4000s 7.4/s Y Y
7.
 
Nikon B600none n3.0 / 921 fixed n 1/4000s 7.4/s Y Y
8.
 
Nikon L840none n3.0 / 921 tilting n 1/4000s 7.4/s Y Y
9.
 
Nikon P900921 n3.0 / 921 swivel n 1/4000s 7.0/s Y Y
10.
 
Nikon P9502359 n3.2 / 921 swivel n 1/4000s 7.0/s Y Y
11.
 
Nikon P10002359 n3.2 / 921 swivel n 1/4000s 7.0/s Y Y
12.
 
Panasonic FZ80D2360 n3.0 / 1840 fixed Y 1/2000s 10.0/s Y Y
13.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
14.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
15.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
16.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
17.
 
Sony HX99638 n3.0 / 922 tilting Y 1/2000s 10.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The P1100 has one, while the K-3 III does not. While the built-in flash of the P1100 is not very powerful, it can at times be useful as a fill-in light.

The P1100 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-3 III does not have a selfie-screen.

The Nikon P1100 and the Pentax K-3 III both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the P1100 and the K-3 III write their files to SDXC cards. The K-3 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the P1100 only has one slot. The K-3 III supports UHS-II cards (on its first slot), while the P1100 can use UHS-I cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon Coolpix P1100 and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon P1100Ystereo / monoY-micro2.0Y-Y
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
4.
 
Nikon Coolpix AYstereo / mono---2.0---
5.
 
Nikon A1000-stereo / mono--micro2.0Y-Y
6.
 
Nikon B500-stereo / mono--micro2.0YYY
7.
 
Nikon B600-stereo / mono--micro2.0Y-Y
8.
 
Nikon L840-stereo / mono--micro2.0YY-
9.
 
Nikon P900-stereo / mono--micro2.0YY-
10.
 
Nikon P950Ystereo / monoY-micro2.0Y-Y
11.
 
Nikon P1000Ystereo / monoY-micro2.0Y-Y
12.
 
Panasonic FZ80DYstereo / mono--micro3.0---
13.
 
Pentax K-3Ymono / monoYYmini3.0---
14.
 
Pentax K-3 IIYmono / monoYYmini3.0---
15.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
16.
 
Pentax KPYstereo / monoY--2.0Y--
17.
 
Sony HX99-stereo / mono--micro2.0YYY

Studio photographers will appreciate that the Pentax K-3 III (unlike the P1100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the K-3 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the P1100 and the K-3 III are recent models that are part of the current product line-up. The K-3 III replaced the earlier Pentax K-3 II, while the P1100 followed on from the Nikon P1000. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Pentax websites.

Review summary

So how do things add up? Is there a clear favorite between the Nikon P1100 and the Pentax K-3 III? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon Coolpix P1100:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Ready to shoot: Comes with a built-in lens, while the K-3 III requires a separate lens.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 3 years and 10 months of technical progress since the K-3 III launch.

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Arguments in favor of the Pentax K-3 III:

  • More detail: Has more megapixels (25.6 vs 15.9MP), which boosts linear resolution by 29%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 921k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 7 flaps/sec) to capture the decisive moment.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • More compact: Is smaller (135x104mm vs 146x119mm) and will fit more readily into a bag.
  • Longer lasting: Gets more shots (800 versus 250) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More heavily discounted: Has been around for much longer (launched in March 2021).

If the count of individual advantages (bullet points above) is taken as a guide, the K-3 III is the clear winner of the contest (23 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

P1100 08:23 K-3 III

How about other alternatives? Do the specifications of the Nikon P1100 and the Pentax K-3 III place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the P1100 and the K-3 III in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon P1100............ Feb 2025 US$ 1 099 amazon.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 US$ 1 899ebay.com
4.
 
Nikon Coolpix A4/5+..75/1004/54/5 Mar 2013 US$ 1 099ebay.com
5.
 
Nikon A1000..+ +3.5/5..3.5/53/5 Jan 2019 US$ 429ebay.com
6.
 
Nikon B500..+....4/53.5/5 Jan 2016 US$ 299ebay.com
7.
 
Nikon B600..+....3.5/53/5 Jan 2019 US$ 349ebay.com
8.
 
Nikon L840..+ +....3.5/54/5 Feb 2015 US$ 299ebay.com
9.
 
Nikon P900......77/1004/54/5 Mar 2015 US$ 599ebay.com
10.
 
Nikon P950....3/5..4/54/5 Jan 2020 US$ 799 amazon.com
11.
 
Nikon P1000..+3.5/573/1003.5/53.5/5 Jul 2018 US$ 999 amazon.com
12.
 
Panasonic FZ80D............ Jul 2024 US$ 479 amazon.com
13.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
14.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
15.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
16.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
17.
 
Sony HX99........4/54.5/5 Aug 2018 US$ 449ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check P1100 price at
amazon.com
logo
Check K-3 III price at
amazon.com

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon P1100 vs Pentax K-3 III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Nikon P1100 Pentax K-3 III
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-3000mm f/2.8-8.0 Pentax K mount lenses
    Launch Date February 2025 March 2021
    Launch Price USD 1,099 USD 1,999
    Sensor Specs Nikon P1100 Pentax K-3 III
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1/2.3" Sensor APS-C Sensor
    Sensor Size 6.17 x 4.55 mm 23.3 x 15.5 mm
    Sensor Area 28.0735 mm2 361.15 mm2
    Sensor Diagonal 7.7 mm 28 mm
    Crop Factor 5.6x 1.5x
    Sensor Resolution 15.9 Megapixels 25.6 Megapixels
    Image Resolution 4608 x 3456 pixels 6192 x 4128 pixels
    Pixel Pitch 1.33 μm 3.76 μm
    Pixel Density 56.73 MP/cm2 7.08 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 100 - 160,000 ISO
    Image Processor EXPEED PRIME V
    Screen Specs Nikon P1100 Pentax K-3 III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 99% 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 921k dots 1620k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon P1100 Pentax K-3 III
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 7 shutter flaps/s 12 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Nikon P1100 Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Nikon P1100 Pentax K-3 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL20a Pentax D-LI90
    Battery Life (CIPA)250 shots per charge800 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 146 x 119 x 181 mm
    (5.7 x 4.7 x 7.1 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 1410 g (49.7 oz) 820 g (28.9 oz)
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    Check P1100 price at
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    Check K-3 III price at
    amazon.com

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