Camera Rocket Review Our evaluation of A37 vs A7

Image Quality

RAW image quality independent of lens

SLT A37
8.8
Sony A7
10.0
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

SLT A37
8.3
Sony A7
8.0
Focus lag, cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

SLT A37
9.2
Sony A7
8.1
Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

SLT A37
9.4
Sony A7
9.2
Reviews from dpreview.com, techradar.com, photographyblog.com and reviews.cnet.com

No winner declared

Too close to call

Benchmarks Real world tests of SLT A37 vs A7

Low light image quality Highest ISO setting that still achieves great image quality

SLT A37
799 ISO
Sony A7
2,449 ISO

Focus lag Delay between fully pressing shutter to image capture

SLT A37
109 ms
Sony A7
221 ms

Shutter lag Delay to take a photo when prefocused

SLT A37
57 ms
Sony A7
53 ms

Startup delay Delay from power on to first photo

SLT A37
900 ms
Sony A7
1,700 ms

Continuous shooting Delay between fully pressing shutter to image capture

SLT A37
7 fps
Sony A7
5 fps

Battery life How many photos per battery charge (CIPA)

SLT A37
500 photos
Sony A7
340 photos

Features Key features of the SLT A37  vs A7 

Megapixels Maximum resolution images are captured at

SLT A37
16 MP
Sony A7
24 MP

Max ISO Maximum light sensitivity of the sensor

SLT A37
25,600 ISO
Sony A7
25,600 ISO

Focus points How many different points the camera can focus on

SLT A37
15
Sony A7
117

Screen size Larger screens make it easier to preview and review photos

SLT A37
2.6"
Sony A7
3"

Viewfinder size Large viewfinders are brighter and more comfortable to use

SLT A37
0.71x
Sony A7
0.71x

Pixel size How much area of the sensor is dedicated to each pixel

SLT A37
22.8 microns
Sony A7
35.7 microns

Reviews Word on the street

SLT A37  vs A7 

7.3
8.3
The A7 incorporates the lower-resolution sensor in order to use Sony's hybrid autofocus system; Sony says that it couldn't put the phase-detection pixels on the 36-megapixel sensor for the A7R.
Sony A7

Specifications Full list of technical specs

sensor

SLT A37  vs
A7 
Type CMOS CMOS
Megapixels 16 MP 24 MP
Resolution 4912 x 3264 6000 x 4000
Size APS-C Full frame
Area 23.4 x 15.6 mm 35.8 x 23.9 mm
Crop factor 1.5x 1.0x
Pixel size 22.8 microns 35.7 microns
Light sensitivity 100 ISO to 16,000 ISO 100 ISO to 25,600 ISO
Light sensitivity (Boost) 100 ISO to 25,600 ISO 100 ISO to 25,600 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes

focus system

Type Phase detection Hybrid detection
Focus points 15 117
Cross type focus points 3 25

viewfinder

Viewfinder mirror Opaque None
Viewfinder Yes Yes
Type Electronic Electronic
Coverage 100% 100%
Magnification 1.09x 0.71x
Viewfinder size 0.71x 0.71x

performance

Max continuous shooting 7 fps 5 fps
Battery life 500 340
Continuous shooting
7 fps
5.5 fps
5 fps
Focus lag 109 ms 221 ms
Shutter lag 57 ms 53 ms
Startup delay 900 ms 1,700 ms

video

SLT A37  vs
A7 
Video 1920 x 1080 @ 29.97 fps 1920 x 1080 @ 60 fps
Shoots video in 24p Yes Yes
Shoots high speed video No No
External mic jack 3.5mm 3.5mm
Autofocus while shooting video Phase detection Phase detection
Autofocus type Phase detection Phase detection
Autofocus supports continuous Yes Yes

display

Type LCD LCD
Size 2.6" 3"
Resolution 230 k dots 1,229 k dots
Has a touch screen No No
Has a flip out screen Yes Yes
Supports live view Yes Yes

shutter

Min 30 s 30 s
Max 1/4000 s 1/8000 s

form factor

Size 124 x 92 x 85 mm 127 x 94 x 48 mm
Thickness 85 mm 48 mm
Weight 506 g 417 g
Is weather sealed No Yes

features

Includes a GPS No No
Supports HDR Yes Yes
Automatic panorama Yes Yes
Create realistic 3D images Yes No
Image stabilization
Sensor shift
Sony SLT A37
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Sony A7
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