Compare Sony a99 II vs Pentax K-3 Mark III
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 2.0
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
Wireless Connectivity
802.11/b/g/n with NFC
802.11b/g/n + Bluetooth
Construction
Form Factor
SLT (DSLR) camera
DSLR camera
Image Size
Full frame (35.9 x 24 mm)
APS-C (23 x 15.5 mm)
Lens Mount
Sony A-mount
Pentax K-mount
Microphone
Stereo
Stereo
Sensor | Resolution
42 MP (7952 x 5304)
26 MP (6192 x 4128)
Sensor | Type
BSI-CMOS
CMOS
Speakers
Mono
Mono
Dimensions
Size | Depth
76 mm / 2.99 in
74 mm / 2.91 in
Size | Height
104 mm / 4.09 in
104 mm / 4.09 in
Size | Width
143 mm / 5.63 in
135 mm / 5.31 in
Weight
849 g / 30.00 oz
820 g / 28.98 oz
Display
Display Diagonal
3 inch
3.2 inch
Display Type
Tilting WhiteMagic TFT LCD
Fixed TFT LCD
Resolution
1,228,800 dots
1,620,000 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
0.78x
1.05x
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 steps)
Autofocus
399 focus points
101 focus points (25 cross type)
Crop Factor
1.0
1.5
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
No
ISO Range
100 ~ 25600 (expandable to 50 ~ 102400)
(100 ~ 1600000)
Image Stabilization
5-axis for stills and video
5.5 stops
Intervalometer
Yes
Processor
Bionz X
PRIME V
Touch Screen
No
Yes
Video Codecs
MPEG-4, AVCHD, XAVC S
MPEG-4, H.264
Weather Resistance
Yes
Yes
Performance
Battery Life
490 shots
800 shots
Max Burst Rate
12.0 fps
12.0 fps
Storage
Dual SD/SDHC/SDXC[UHS I]/MS Duo slots
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
Production
Battery
NP-FM500H lithium-ion battery & charger
D-LI90
Debut
2016-09-19
2021-03-30
Model Name
ILCA-99M2
Reviews
Neofiliac score
63%
69%
Pros
- Good 12.0 fps burst rate
- High 42 MP resolution
- Weather-sealed
- SLT design with both mirror and EVF
- Exceptional battery life
- 5.5 stops of IBIS
- Good 12.0 fps burst rate
- Weather-sealed
- Viewfinder with great 1.05x magnification
- Supports both WiFi and Bluetooth
Cons
- Menu not touch-enabled
- Quite heavy
- Viewfinder with low 0.78x magnification
- Quite heavy
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