Camera Rocket Review Our evaluation of A99 vs 6D

Image Quality

RAW image quality independent of lens

SLT A99
10.0
EOS 6D
10.0
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

SLT A99
6.6
EOS 6D
5.9
focus points

Responsiveness

How much delay is there between you and your photo?

SLT A99
10.0
EOS 6D
10.0
continuous shooting

Reviews

What do the experts think?

SLT A99
9.2
EOS 6D
9.3
Reviews from sonyalpharumors.com, imaging-resource.com, techradar.com and 5 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

SLT A99
9.2
EOS 6D
9.2

Winner
Sony SLT A99 

Camera Rocket recommends the Sony SLT A99  based on its focusing.

See full details

Benchmarks Real world tests of SLT A99 vs EOS 6D

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

SLT A99
1,555 ISO
EOS 6D
2,340 ISO

Resolution Results from photos of standard resolution charts

SLT A99
2,900 LPH
EOS 6D
2,800 LPH

Focus lag Delay between fully pressing shutter to image capture

SLT A99
127 ms
EOS 6D
290 ms

Startup delay Delay from power on to first photo

SLT A99
700 ms
EOS 6D
500 ms

Continuous shooting Delay between fully pressing shutter to image capture

SLT A99
6 fps
EOS 6D
4.5 fps

Battery life How many photos per battery charge (CIPA)

SLT A99
500 photos
EOS 6D
980 photos

Features Key features of the SLT A99  vs EOS 6D 

Megapixels Maximum resolution images are captured at

SLT A99
24 MP
EOS 6D
20.9 MP

Max ISO Maximum light sensitivity of the sensor

SLT A99
25,600 ISO
EOS 6D
102,400 ISO

Focus points How many different points the camera can focus on

SLT A99
19
EOS 6D
11

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

SLT A99
3"
EOS 6D
3"

Viewfinder size Large viewfinders are brighter and more comfortable to use

SLT A99
0.71x
EOS 6D
0.71x

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

SLT A99
35.8 microns
EOS 6D
41.0 microns

Reviews Word on the street

SLT A99  vs EOS 6D 

8.4
8.3
With a CIPA standard capacity of 410 shots using the EVF, it provides less than half the shooting capacity of the A99's rivals; a direct consequence of having to support full-time live view.
SLT A99

9.0
9.0
As with Live View, continuous phase-detection AF is possible whilst shooting movies on the A99, a distinct advantage over most DSLR cameras and fast enough to rival Compact System Cameras like the Panasonic Lumix GH series.
SLT A99

7.0
8.0
Looking at the size and control layout of the Canon EOS 6D quickly confirms that it is a mix of both the Canon EOS 7D and Canon EOS 60D, with the size, weight and control layout being similar to the Canon 60D but with the Canon 7D's movie and stills live view switch on its back.
EOS 6D

Overall

8.4 Out of 10
8.5 Out of 10

Specifications Full list of technical specs

sensor

SLT A99  vs
EOS 6D 
Type EXMOR CMOS
Megapixels 24 MP 20.9 MP
Resolution 6000 x 4000 5720 x 3648
Size Full frame Full frame
Area 35.8 x 24 mm 35.8 x 23.9 mm
Crop factor 1.0x 1.0x
Pixel size 35.8 microns 41.0 microns
Light sensitivity 100 ISO to 25,600 ISO 100 ISO to 25,600 ISO
Codecs
RAW
JPEG
CR2
Self cleaning sensor Yes Yes
Tested vertical resolution 2,900 LPH 2,800 LPH
Tested horizontal resolution 2,900 LPH 2,800 LPH

focus system

Type Phase detection Phase detection
Focus points 19 11
Cross type focus points 11 1
Supports continuous Yes Yes

shutter

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

form factor

Size 147 x 111 x 78 mm 145 x 111 x 71 mm
Thickness 78 mm 71 mm
Weight 812 g 770 g
Is weather sealed Yes Yes

features

Includes a GPS Yes Yes
Supports HDR Yes Yes
WiFi None Yes
Automatic panorama Yes No
Create realistic 3D images No No
Image stabilization
Sensor shift

video

SLT A99  vs
EOS 6D 
Video 1920 x 1080 @ 60 fps (17 Mbps, AVCHD, MPEG-4) 1920 x 1080 @ 30 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 Manual
Autofocus type Phase detection N/A
Autofocus supports continuous Yes N/A

display

Type LCD LCD
Size 3" 3"
Resolution 1,229 k dots 1,040 k dots
Has a touch screen No No
Has a flip out screen Yes No
Supports live view Yes Yes

viewfinder

Viewfinder mirror Translucent Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 97%
Magnification 0.71x 0.71x
Viewfinder size 0.71x 0.71x

performance

Max continuous shooting 6 fps 4.5 fps
Battery life 500 980
Continuous shooting
6 fps
4.5 fps
Focus lag 127 ms 290 ms
Startup delay 700 ms 500 ms
Sony SLT A99
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Canon EOS 6D
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