Compare Sony a99 II vs Pentax K-1 Mark II vs Pentax 645D
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 2.0
HDMI + Headphone + Microphone + Remote Control + USB 2.0
Remote Control + USB 2.0
Wireless Connectivity
802.11/b/g/n with NFC
802.11b/g/n
Construction
Form Factor
SLT (DSLR) camera
DSLR camera
Image Size
Full frame (35.9 x 24 mm)
Full frame (35.9 x 24 mm)
Medium format (645)
Lens Mount
Sony A-mount
Pentax K-mount
Microphone
Stereo
Stereo
Stereo
Sensor | Resolution
42 MP (7952 x 5304)
36 MP (7360 x 4912)
40 MP (7264 x 5440)
Sensor | Type
BSI-CMOS
CMOS
CCD
Speakers
Mono
Mono
None
Dimensions
Size | Depth
76 mm / 2.99 in
86 mm / 3.39 in
119 mm / 4.69 in
Size | Height
104 mm / 4.09 in
110 mm / 4.33 in
117 mm / 4.61 in
Size | Width
143 mm / 5.63 in
137 mm / 5.39 in
156 mm / 6.14 in
Weight
849 g / 30.00 oz
1010 g / 35.69 oz
1480 g / 52.30 oz
Display
Display Diagonal
3 inch
3.2 inch
3 inch
Display Type
Tilting WhiteMagic TFT LCD
Tilting TFT LCD
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Resolution
1,228,800 dots
1,037,000 dots
921,000 dots
Viewfinder | Coverage
100%
100%
98%
Viewfinder | Magnification
0.78x
0.7x
0.85x
Viewfinder | Resolution
2,359,296 dots
Viewfinder | Type
Electronic
Optical (pentaprism)
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 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
399 focus points
33 focus points (25 cross type)
11 focus points
Crop Factor
1.0
1.0
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
Yes
No
ISO Range
100 ~ 25600 (expandable to 50 ~ 102400)
100 ~ 819200
200, 400, 800, 1600 (100 with boost)
Image Stabilization
5-axis for stills and video
5 stops
No
Intervalometer
Yes
Yes
Processor
Bionz X
PRIME IV
Prime II
Touch Screen
No
No
No
Video Codecs
MPEG-4, AVCHD, XAVC S
MPEG-4, H.264
Weather Resistance
Yes
Yes
Yes
Performance
Battery Life
490 shots
670 shots
Max Burst Rate
12.0 fps
4.4 fps
1.1 fps
Storage
Dual SD/SDHC/SDXC[UHS I]/MS Duo slots
Dual SD/SDHC/SDXC (UHS-I)
SD/SDHC
Production
Battery
NP-FM500H lithium-ion battery & charger
D-LI90 lithium-ion battery & charger
Lithium-Ion D-LI90 rechargeable battery & charger
Debut
2016-09-19
2018-02-21
2010-03-10
Model Name
ILCA-99M2
Reviews
Neofiliac score
63%
64%
57%
Pros
- Good 12.0 fps burst rate
- High 42 MP resolution
- Weather-sealed
- SLT design with both mirror and EVF
- Long battery life
- Built-in GPS functionality
- 5 stops of IBIS
- Weather-sealed
- Medium format look
- 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 4.4 fps burst rate
- Very heavy
- Viewfinder with low 0.7x magnification
- Menu not touch-enabled
- Very low 1.1 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
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