Compare Pentax K-1 Mark II vs Pentax 645Z
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 2.0
HDMI + Microphone + Remote Control + USB 3.0
Wireless Connectivity
802.11b/g/n
Construction
Form Factor
DSLR camera
Image Size
Full frame (35.9 x 24 mm)
Medium format (645)
Lens Mount
Pentax K-mount
PENTAX 645AF2
Microphone
Stereo
Mono
Sensor | Resolution
36 MP (7360 x 4912)
51 MP (8256 x 6192)
Sensor | Type
CMOS
CMOS
Speakers
Mono
Stereo
Dimensions
Size | Depth
86 mm / 3.39 in
123 mm / 4.84 in
Size | Height
110 mm / 4.33 in
117 mm / 4.61 in
Size | Width
137 mm / 5.39 in
156 mm / 6.14 in
Weight
1010 g / 35.69 oz
1550 g / 54.77 oz
Display
Display Diagonal
3.2 inch
3.2 inch
Display Type
Tilting TFT LCD
Tilting TFT LCD
Resolution
1,037,000 dots
1,037,000 dots
Viewfinder | Coverage
100%
98%
Viewfinder | Magnification
0.7x
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
33 focus points (25 cross type)
27 focus points
Crop Factor
1.0
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
Yes
Optional via O-GPS1
ISO Range
100 ~ 819200
to, ISO 100 ~ 204800
Image Stabilization
5 stops
No
Intervalometer
Yes
Yes
Processor
PRIME IV
PRIME III
Touch Screen
No
No
Video Codecs
MPEG-4, H.264
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
670 shots
650 shots
Max Burst Rate
4.4 fps
3.0 fps
Storage
Dual SD/SDHC/SDXC (UHS-I)
Dual SD/SDHC/SDXC slots
Production
Battery
D-LI90 lithium-ion battery & charger
D-LI90 lithium-ion battery and charger
Debut
2018-02-21
2014-04-15
Reviews
Neofiliac score
64%
62%
Pros
- Long battery life
- Built-in GPS functionality
- 5 stops of IBIS
- Weather-sealed
- Long battery life
- Medium format look
- Exceptionally high 51 MP resolution
- Weather-sealed
- Affordable for a 645 DSLR
Cons
- Menu not touch-enabled
- Very low 4.4 fps burst rate
- Very heavy
- Viewfinder with low 0.7x magnification
- 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
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