Compare Sigma sd Quattro H vs Pentax 645Z
Connectivity
Ports
HDMI + Remote Control + USB 3.0
HDMI + Microphone + Remote Control + USB 3.0
Construction
Form Factor
Mirrorless camera
Image Size
APS-H (26.6 x 17.9 mm)
Medium format (645)
Lens Mount
Sigma SA-mount
PENTAX 645AF2
Microphone
None
Mono
Sensor | Resolution
45 MP (6200 x 4152)
51 MP (8256 x 6192)
Sensor | Type
CMOS (Foveon X3)
CMOS
Speakers
None
Stereo
Dimensions
Size | Depth
91 mm / 3.58 in
123 mm / 4.84 in
Size | Height
95 mm / 3.74 in
117 mm / 4.61 in
Size | Width
147 mm / 5.79 in
156 mm / 6.14 in
Weight
1550 g / 54.77 oz
Display
Display Diagonal
3 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
1.09x
0.62x
Viewfinder | Resolution
2,360,000 dots
Viewfinder | Type
Electronic
Optical (pentaprism)
Function
AE Bracketing
±3 (3, 5 frames at 1/3 EV steps)
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
Autofocus
9 focus points
27 focus points
Crop Factor
0.6
Exposure Compensation
±5 (at 1/3 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 ~ 6400
to, ISO 100 ~ 204800
Image Stabilization
No
No
Intervalometer
Yes
Processor
Dual TRUE III
PRIME III
Touch Screen
No
No
Video Codecs
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
650 shots
Max Burst Rate
3.8 fps
3.0 fps
Storage
SD/SDHC/SDXC
Dual SD/SDHC/SDXC slots
Production
Battery
BP-61 lithium-ion battery & charger
D-LI90 lithium-ion battery and charger
Debut
2016-02-23
2014-04-15
Reviews
Neofiliac score
49%
62%
Pros
- High 45 MP resolution
- Weather-sealed
- Viewfinder with great 1.09x magnification
- Foveon sensor
- 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 3.8 fps burst rate
- Low resolution EVF
- 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.