Compare Sony a99 II vs Pentax 645Z
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 2.0
HDMI + Microphone + Remote Control + USB 3.0
Wireless Connectivity
802.11/b/g/n with NFC
Construction
Form Factor
SLT (DSLR) camera
Image Size
Full frame (35.9 x 24 mm)
Medium format (645)
Lens Mount
Sony A-mount
PENTAX 645AF2
Microphone
Stereo
Mono
Sensor | Resolution
42 MP (7952 x 5304)
51 MP (8256 x 6192)
Sensor | Type
BSI-CMOS
CMOS
Speakers
Mono
Stereo
Dimensions
Size | Depth
76 mm / 2.99 in
123 mm / 4.84 in
Size | Height
104 mm / 4.09 in
117 mm / 4.61 in
Size | Width
143 mm / 5.63 in
156 mm / 6.14 in
Weight
849 g / 30.00 oz
1550 g / 54.77 oz
Display
Display Diagonal
3 inch
3.2 inch
Display Type
Tilting WhiteMagic TFT LCD
Tilting TFT LCD
Resolution
1,228,800 dots
1,037,000 dots
Viewfinder | Coverage
100%
98%
Viewfinder | Magnification
0.78x
0.62x
Viewfinder | Resolution
2,359,296 dots
Viewfinder | Type
Electronic
Optical (pentaprism)
Function
AE Bracketing
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
Autofocus
399 focus points
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
No
Optional via O-GPS1
ISO Range
100 ~ 25600 (expandable to 50 ~ 102400)
to, ISO 100 ~ 204800
Image Stabilization
5-axis for stills and video
No
Intervalometer
Yes
Processor
Bionz X
PRIME III
Touch Screen
No
No
Video Codecs
MPEG-4, AVCHD, XAVC S
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
490 shots
650 shots
Max Burst Rate
12.0 fps
3.0 fps
Storage
Dual SD/SDHC/SDXC[UHS I]/MS Duo slots
Dual SD/SDHC/SDXC slots
Production
Battery
NP-FM500H lithium-ion battery & charger
D-LI90 lithium-ion battery and charger
Debut
2016-09-19
2014-04-15
Model Name
ILCA-99M2
Reviews
Neofiliac score
63%
62%
Pros
- Good 12.0 fps burst rate
- High 42 MP resolution
- Weather-sealed
- SLT design with both mirror and EVF
- Long battery life
- Medium format look
- Exceptionally high 51 MP resolution
- Weather-sealed
- Affordable for a 645 DSLR
Cons
- Menu not touch-enabled
- Quite heavy
- Viewfinder with low 0.78x 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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