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Compare Pentax 645D vs Pentax 645Z vs Pentax 645D

Connectivity

Ports
Remote Control + USB 2.0
HDMI + Microphone + Remote Control + USB 3.0
Remote Control + USB 2.0

Construction

Image Size
Medium format (645)
Medium format (645)
Medium format (645)
Lens Mount
PENTAX 645AF2
Microphone
Stereo
Mono
Stereo
Sensor | Resolution
40 MP (7264 x 5440)
51 MP (8256 x 6192)
40 MP (7264 x 5440)
Sensor | Type
CCD
CMOS
CCD
Speakers
None
Stereo
None

Dimensions

Size | Depth
119 mm / 4.69 in
123 mm / 4.84 in
119 mm / 4.69 in
Size | Height
117 mm / 4.61 in
117 mm / 4.61 in
117 mm / 4.61 in
Size | Width
156 mm / 6.14 in
156 mm / 6.14 in
156 mm / 6.14 in
Weight
1480 g / 52.30 oz
1550 g / 54.77 oz
1480 g / 52.30 oz

Display

Display Diagonal
3 inch
3.2 inch
3 inch
Display Type
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Tilting TFT LCD
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Resolution
921,000 dots
1,037,000 dots
921,000 dots
Viewfinder | Coverage
98%
98%
98%
Viewfinder | Magnification
0.85x
0.62x
0.85x
Viewfinder | Type
Optical (pentaprism)
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)
±2 (3, 5 frames at 1/7 EV, 1/5 EV, 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
Autofocus
11 focus points
27 focus points
11 focus points
Crop Factor
0.6
0.6
0.6
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±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
Auto / Aperture Priority / Shutter Priority / Manual
GPS
No
Optional via O-GPS1
No
ISO Range
200, 400, 800, 1600 (100 with boost)
to, ISO 100 ~ 204800
200, 400, 800, 1600 (100 with boost)
Image Stabilization
No
No
No
Intervalometer
Yes
Yes
Yes
Processor
Prime II
PRIME III
Prime II
Touch Screen
No
No
No
Video Codecs
MPEG-4, H.264
Weather Resistance
Yes
Yes
Yes

Performance

Battery Life
650 shots
Max Burst Rate
1.1 fps
3.0 fps
1.1 fps
Storage
SD/SDHC
Dual SD/SDHC/SDXC slots
SD/SDHC

Production

Battery
Lithium-Ion D-LI90 rechargeable battery & charger
D-LI90 lithium-ion battery and charger
Lithium-Ion D-LI90 rechargeable battery & charger
Debut
2010-03-10
2014-04-15
2010-03-10

Reviews

Neofiliac score
57%
62%
57%
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
  • Medium format look
  • 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
  • Menu not touch-enabled
  • Very low 1.1 fps burst rate
  • Very large in size
  • Very heavy
  • Viewfinder coverage is cropped at 98%

Price

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