Compare Sigma SD1 Merrill vs Sony SLT-A77 II
Connectivity
Ports
USB 2.0
HDMI + Microphone + Remote Control + USB 2.0
Wireless Connectivity
802.11b/g/n with NFC
Construction
Form Factor
DSLR camera
SLT (DSLR) camera
Image Size
APS-C (24 x 16 mm)
APS-C (23.5 x 15.6 mm)
Lens Mount
Sigma SA-mount
Sony A-mount
Microphone
None
Stereo
Sensor | Resolution
45 MP (4800 x 3200)
24 MP (6000 x 4000)
Sensor | Type
CMOS (Foveon X3)
CMOS
Speakers
None
Mono
Dimensions
Size | Depth
80 mm / 3.15 in
81 mm / 3.19 in
Size | Height
113 mm / 4.45 in
104 mm / 4.09 in
Size | Width
146 mm / 5.75 in
143 mm / 5.63 in
Weight
647 g / 22.86 oz
Display
Display Diagonal
3 inch
3 inch
Display Type
Fixed
Fully articulated WhiteMagic TFT
Resolution
460,000 dots
1,229,000 dots
Viewfinder | Coverage
98%
100%
Viewfinder | Magnification
0.95x
1.09x
Viewfinder | Resolution
2,359,000 dots
Viewfinder | Type
Optical (pentaprism)
Electronic
Function
AE Bracketing
±3 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
Autofocus
79 focus points
Crop Factor
1.5
1.5
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
Exposure Mode
Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Manual Pop-up Built-in flash
Built-in
GPS
No
No
ISO Range
(ISO 100 ~ 51200), Manual (ISO 100 ~ 25600)
Image Stabilization
No
Processor
Dual True II
Bionz X
Touch Screen
No
No
Video Codecs
MPEG-4, AVCHD
Weather Resistance
Yes
Yes
Performance
Battery Life
480 shots
Flash Range
12.00 m
Max Burst Rate
12.0 fps
Storage
Compact Flash (Type I, UDMA compatible)
SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Production
Battery
Lithium-Ion rechargeable battery & charger
NP-FM500H lithium-ion battery and charger
Debut
2012-02-08
2014-05-01
Model Name
ILCA-77M2
Reviews
Neofiliac score
42%
58%
Pros
- High 45 MP resolution
- Weather-sealed
- Unique high-resolution Foveon sensor
- Fully articulated LCD
- Good 12.0 fps burst rate
- Weather-sealed
- Viewfinder with great 1.09x magnification
- SLT design with both mirror and EVF
Cons
- Viewfinder coverage is cropped at 98%
- Menu not touch-enabled
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