Compare Pentax 645D vs Pentax 645Z
Connectivity
Ports
Remote Control + USB 2.0
HDMI + Microphone + Remote Control + USB 3.0
Construction
Image Size
Medium format (645)
Medium format (645)
Lens Mount
PENTAX 645AF2
Microphone
Stereo
Mono
Sensor | Resolution
40 MP (7264 x 5440)
51 MP (8256 x 6192)
Sensor | Type
CCD
CMOS
Speakers
None
Stereo
Dimensions
Size | Depth
119 mm / 4.69 in
123 mm / 4.84 in
Size | Height
117 mm / 4.61 in
117 mm / 4.61 in
Size | Width
156 mm / 6.14 in
156 mm / 6.14 in
Weight
1480 g / 52.30 oz
1550 g / 54.77 oz
Display
Display Diagonal
3 inch
3.2 inch
Display Type
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Tilting TFT LCD
Resolution
921,000 dots
1,037,000 dots
Viewfinder | Coverage
98%
98%
Viewfinder | Magnification
0.85x
0.62x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
Function
AE Bracketing
±2 (3, 5 frames at 1/7 EV, 1/5 EV, 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
Autofocus
11 focus points
27 focus points
Crop Factor
0.6
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
200, 400, 800, 1600 (100 with boost)
to, ISO 100 ~ 204800
Image Stabilization
No
No
Intervalometer
Yes
Yes
Processor
Prime II
PRIME III
Touch Screen
No
No
Video Codecs
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
650 shots
Max Burst Rate
1.1 fps
3.0 fps
Storage
SD/SDHC
Dual SD/SDHC/SDXC slots
Production
Battery
Lithium-Ion D-LI90 rechargeable battery & charger
D-LI90 lithium-ion battery and charger
Debut
2010-03-10
2014-04-15
Reviews
Neofiliac score
57%
62%
Pros
- Medium format look
- Weather-sealed
- Affordable for a 645 DSLR
- 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 1.1 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
- 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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