Compare Pentax K-3 Mark III vs Pentax 645Z
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Microphone + Remote Control + USB 3.0
Wireless Connectivity
802.11b/g/n + Bluetooth
Construction
Form Factor
DSLR camera
Image Size
APS-C (23 x 15.5 mm)
Medium format (645)
Lens Mount
Pentax K-mount
PENTAX 645AF2
Microphone
Stereo
Mono
Sensor | Resolution
26 MP (6192 x 4128)
51 MP (8256 x 6192)
Sensor | Type
CMOS
CMOS
Speakers
Mono
Stereo
Dimensions
Size | Depth
74 mm / 2.91 in
123 mm / 4.84 in
Size | Height
104 mm / 4.09 in
117 mm / 4.61 in
Size | Width
135 mm / 5.31 in
156 mm / 6.14 in
Weight
820 g / 28.98 oz
1550 g / 54.77 oz
Display
Display Diagonal
3.2 inch
3.2 inch
Display Type
Fixed TFT LCD
Tilting TFT LCD
Resolution
1,620,000 dots
1,037,000 dots
Viewfinder | Coverage
100%
98%
Viewfinder | Magnification
1.05x
0.62x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
Function
AE Bracketing
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
Autofocus
101 focus points (25 cross type)
27 focus points
Crop Factor
1.5
0.6
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
GPS
No
Optional via O-GPS1
ISO Range
(100 ~ 1600000)
to, ISO 100 ~ 204800
Image Stabilization
5.5 stops
No
Intervalometer
Yes
Yes
Processor
PRIME V
PRIME III
Touch Screen
Yes
No
Video Codecs
MPEG-4, H.264
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
800 shots
650 shots
Max Burst Rate
12.0 fps
3.0 fps
Storage
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Dual SD/SDHC/SDXC slots
Production
Battery
D-LI90
D-LI90 lithium-ion battery and charger
Debut
2021-03-30
2014-04-15
Reviews
Neofiliac score
69%
62%
Pros
- Exceptional battery life
- 5.5 stops of IBIS
- Good 12.0 fps burst rate
- Weather-sealed
- Viewfinder with great 1.05x magnification
- Supports both WiFi and Bluetooth
- Long battery life
- Medium format look
- Exceptionally high 51 MP resolution
- Weather-sealed
- Affordable for a 645 DSLR
Cons
- Quite heavy
- Menu not touch-enabled
- Very low 3.0 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
- Viewfinder with low 0.62x magnification
Remove
Remove
Related Products
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.