CameraReview

Pentax K-3 Mark III vs Pentax K-1 Mark II — Which Is Better?

Pentax K-3 Mark III versus Pentax K-1 Mark II
Side by side47 specifications
Pentax · DSLR · 26 MP · APS-C · 4K video Pentax K-3 Mark III
83
WINNER
Pentax · DSLR · 36 MP · Full Frame · Full HD video Pentax K-1 Mark II
80
SCORE
Pentax K-3 Mark III
Pentax K-1 Mark II
General
Released
ⓘ
Refers to the year this camera was officially made available for sale.
20212018
Announcement date
ⓘ
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
March 30, 2021February 21, 2018
Camera type DSLRDSLR
Camera size 135 x 104 x 74 mm137 x 110 x 86 mm
Camera weight 820 g1010 g
Optics82/10085/100
Read the Optics Comparison

Pentax K-3 Mark III vs K-1 Mark II Overview and Optics

The Pentax K-1 Mark II comes out on top in the optics comparison with a score of 85/100, a 3-point lead over the Pentax K-3 Mark III’s score of 82/100. Both cameras share some common specifications, such as the CMOS sensor type, Prime IV processor, DXOMARK sensor score of 96, and image stabilization. Additionally, both cameras use the Pentax K lens mount system, with the K-3 Mark III using the KAF2 mount and the K-1 Mark II using the KAF4 mount.

The K-1 Mark II’s advantage lies in its higher megapixel count of 36 compared to the K-3 Mark III’s 26 megapixels. This results in higher resolution images, providing more detail and better image quality. Furthermore, the K-1 Mark II has a full-frame sensor, which offers better low-light performance and a wider dynamic range than the K-3 Mark III’s APS-C sensor.

On the other hand, the K-3 Mark III has a faster shooting speed of 12 frames per second, compared to the K-1 Mark II’s 4.4 frames per second. This makes the K-3 Mark III more suitable for capturing fast-moving subjects and action photography.

Considering these points, the Pentax K-1 Mark II is the better choice for photographers who prioritize image quality, resolution, and low-light capabilities. Meanwhile, the Pentax K-3 Mark III is a more suitable option for those who require a faster shooting speed for action photography. Both cameras offer excellent optics, but the K-1 Mark II’s higher score reflects its superiority in key areas that contribute to overall image quality.

Megapixels
ⓘ
The higher the number of megapixels, the more detail the cameras sensor can capture.
26 MP05036 MP050
Image resolution
ⓘ
Image resolution is measured in pixels and megapixels, width by height. The higher the number, the higher its resolution.
6192 x 41287360 x 4912
Sensor type
ⓘ
The camera sensor captures light and records the image. Sensors vary in physical size, the number of pixels, and quality.
CMOSCMOS
Sensor size
ⓘ
The sensor size contributes to the overall quality as well as the dynamic and tonal range a camera can capture. As a rule of thumb, the more surface there is to read the light, the more information it will capture.
23 x 15.535.9 x 24
Sensor format
ⓘ
Refers to the most commonly used sensor sizes.
APS-CFull Frame
Continuous shooting
ⓘ
The number of sequential frames per second the camera can write to the memory card when shooting in burst or continuous mode.
12 fps0454.4 fps045
Lens mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Pentax KAF2Pentax KAF4
Image processor
ⓘ
The image processor in the camera converts the information collected on the sensor for digital storage on the memory card.
Prime IVPrime IV
Aspect ratio
ⓘ
The aspect ratio refers to the proportional difference between width and height. The most popular aspect ratios are 3:2 and 4:3.
3:23:2
Min ISO
ⓘ
Refers to the lowest native (or 'base') ISO setting. Lower ISO are less sensitive to light but make a cleaner image.
1003020010030200
Max ISO
ⓘ
Refers to the highest native (or 'base') ISO setting. Higher ISO is necessary for low-light situations or night photography, but higher ISOs often introduce grain or noise.
160000030032800008192003003280000
Min ISO (expanded)
ⓘ
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
1003020010030200
Max ISO (expanded)
ⓘ
Expanded (or extended) ISO is a digitally enhanced feature available on some cameras. It allows you to push beyond the native ISO range if necessary.
160000030032800008192003003280000
Minimum shutter speed
ⓘ
The minimum shutter speed will tell you the longest exposure your camera can take without using an external accessory.
30440803044080
Max shutter speed
ⓘ
The maximum shutter speed tells you the length inside 1 second the camera will capture. These can sometimes be extended with accessories such as extra external batteries.
800080032000800080032000
Autofocus points
ⓘ
Autofocus points show where the camera is focusing graphically as squares or brackets in Live View or on an electronic viewfinder. These points are also used for light meter readings.
1010300330300
In-body stabilisation
ⓘ
In-body Stabilization means the camera has a certain technology embedded that counteracts camera shake.
YesYes
Viewfinder type
ⓘ
The viewfinder type is either electronic or optical. Electronic viewfinders will have a small screen in the viewfinder. Optical viewfinders will use prisms and mirrors to look through the lens.
Optical (pentaprism)Optical (pentaprism)
Viewfinder dots N/AN/A
Video83/10070/100
Read the Video Comparison

Pentax K-3 Mark III vs K-1 Mark II Video Performance

The Pentax K-3 Mark III outperforms the Pentax K-1 Mark II in video capabilities, with a score of 83 out of 100 compared to the K-1 Mark II’s score of 70. Both cameras share some common specifications, including a maximum video frame rate of 60fps and built-in time-lapse functionality.

The K-3 Mark III excels with its maximum video resolution of 4K and dimensions of 3840 x 2160, providing a significant advantage in terms of image quality and detail. This higher resolution allows users to capture more vibrant and detailed videos, making the K-3 Mark III an ideal choice for those who prioritize video performance in their camera selection.

On the other hand, the K-1 Mark II has a maximum video resolution of Full HD and dimensions of 1920 x 1080. While this is still suitable for many users, it falls short when compared to the K-3 Mark III’s superior 4K capabilities. However, the K-1 Mark II may still be a viable option for those who do not require 4K video resolution and prefer to focus on other aspects of the camera.

In comparing the video capabilities of the Pentax K-3 Mark III and the Pentax K-1 Mark II, it is evident that the K-3 Mark III is the superior choice for those seeking high-quality video performance. The K-1 Mark II, while still a capable camera, is better suited for users who do not prioritize 4K video resolution in their decision-making process.

Video
ⓘ
Indicates if this camera is capable of recording video.
YesYes
Max video resolution
ⓘ
The best resolution this camera can capture video in. Modern cameras can capture up to 8K video.
4KFull HD
Max video format
ⓘ
Video resolution measured by the greatest number of pixels possible in each frame, width by height. A higher resolution means more detail or clarity in your video.
3840 x 21601920 x 1080
Max video frame rate
ⓘ
How many frames per second your video will capture. Most cameras have options for multiple frame rates, depending on the resolution you shoot in. For a general video, 24p or 30p is the standard, but more serious filmmakers may need a higher frame rate for creative effect.
60 fps60 fps
Timelapse built in
ⓘ
A built in time-lapse mode will allow continuous shooting throughout a prolonged period of time to be compressed into a sped up video.
YesYes
Video file format
ⓘ
Different cameras can record in various video file formats. The File format you record in can impact how you edit and use the files.
MPEG-4, MOVMPEG-4, H.264
Features87/10072/100
Read the Features Comparison

Pentax K-3 Mark III vs K-1 Mark II Features and Benefits

The Pentax K-3 Mark III outperforms the Pentax K-1 Mark II in features, scoring 87/100 compared to the K-1 Mark II’s 72/100. Both cameras share similarities in specifications, such as a 3.2-inch screen, WiFi, and Bluetooth connectivity. However, the K-3 Mark III surpasses the K-1 Mark II in certain aspects.

The K-3 Mark III has a higher screen resolution of 1,620,000 dots, providing a clearer and sharper display compared to the K-1 Mark II’s 1,037,000 dots. Additionally, the K-3 Mark III has a touchscreen, making it more user-friendly and convenient for navigating settings and reviewing images.

On the other hand, the K-1 Mark II has a flip screen, allowing for more versatile shooting angles and improved ease of use in certain situations. It also features GPS, which the K-3 Mark III lacks. This enables photographers to geotag their images, providing valuable information for travel and landscape photography.

Despite its lower feature score, the K-1 Mark II offers advantages in specific areas, such as the flip screen and GPS. However, the K-3 Mark III’s higher resolution touchscreen and overall higher feature score make it a more capable camera in general. Choosing between these two cameras depends on the individual photographer’s needs and preferences. If a flip screen and GPS are essential, the K-1 Mark II may be the better choice. However, for those prioritizing screen resolution and a touchscreen interface, the K-3 Mark III is the clear winner.

Builtin flash
ⓘ
A built-in flash will often be positioned right above the lens. This will automatically pop up when you activate it.
✗✗
External flash
ⓘ
External flashes are often connected through a hot shoe at the top of a camera, or a cable at the side of the camera.
YesYes
GPS
ⓘ
GPS features in a camera will include location metadata to each of your photographs.
NoYes
Weather sealing
ⓘ
Weather sealing capabilities will give you more confidence when shooting in unfavourable conditions.
YesYes
Screen type TFT LCDTFT LCD
Touch screen
ⓘ
Touchscreen allows you to change camera settings and access menus with a swipe of your finger, instead of using buttons.
YesNo
Screen size 3.2"3.2"
Screen dots
ⓘ
Screen dots indicate the resolution of the LCD screen by including each sub pixel.
1620000115000150000010370001150001500000
Flip screen
ⓘ
A flip screen (or articulating screen) is a second screen which can flip out from the side or top of the camera. This rotating screen allows you more freedom to take photos at different angles.
NoYes
Live view
ⓘ
Live View feature allows you to see a continuous live video of what is being seen through your lens.
YesYes
Wi-Fi
ⓘ
Built-in Wi-Fi allows you to connect your camera and share images wirelessly.
YesYes
Bluetooth
ⓘ
Bluetooth capabilities allow you wireless control of your camera with other external devices.
YesYes
Storage & battery81/10065/100
Read the Storage & battery Comparison

Pentax K-3 Mark III vs K-1 Mark II Storage and Battery

The Pentax K-3 Mark III outperforms the Pentax K-1 Mark II in storage and battery, scoring 81/100 compared to the K-1 Mark II’s 65/100. Both cameras share common specifications, such as two memory card slots and compatibility with SD, SDHC, and SDXC cards. They also use the same battery type, D-LI90.

The K-3 Mark III excels with its UHS-II compatibility in one slot, allowing for faster data transfer. It also boasts a longer battery life of 800 shots, compared to the K-1 Mark II’s 670 shots. Furthermore, the K-3 Mark III supports USB charging, adding convenience for users on the go.

On the other hand, the K-1 Mark II only supports UHS-I compatibility, resulting in slower data transfer. Although it has a shorter battery life, 670 shots are still adequate for most photography sessions. However, the lack of USB charging may be a drawback for some users.

In comparing storage and battery, the Pentax K-3 Mark III proves to be a superior choice with its faster data transfer, longer battery life, and USB charging capabilities. While the Pentax K-1 Mark II remains a decent option, the K-3 Mark III’s advantages make it a more appealing camera for those prioritizing storage and battery performance.

Memory card SD / SDHC / SDXC (1 slot is UHS-II compatible)SD / SDHC / SDXC (UHS-I Compatible)
Dual memory card slots YesYes
Battery type D-LI90D-LI90
Battery life
ⓘ
Approximately how long this cameras battery will last measured by how many photographs you will be able to take.
800 shots1505000670 shots1505000
USB charging YesNo

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