Camera Rocket Review Our evaluation of A99 vs D750

Image Quality

RAW image quality independent of lens

SLT A99
n.d.
Nikon D750
n.d.
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

focus points

Responsiveness

How much delay is there between you and your photo?

SLT A99
10.0
Nikon D750
10.0
continuous shooting

Reviews

What do the experts think?

Reviews from sonyalpharumors.com, imaging-resource.com, techradar.com and 5 more

No winner declared

Too close to call

Benchmarks Real world tests of SLT A99 vs Nikon D750

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

SLT A99
1,555 ISO
Nikon D750
2,956 ISO

Resolution Results from photos of standard resolution charts

SLT A99
2,900 LPH
Nikon D750
2,200 LPH

Continuous shooting Delay between fully pressing shutter to image capture

SLT A99
6 fps
Nikon D750
6.5 fps

Battery life How many photos per battery charge (CIPA)

SLT A99
500 photos
Nikon D750
1,230 photos

Color depth The number of variations of color the camera can capture

SLT A99
25.0 bits
Nikon D750
24.8 bits

Dynamic range Maximum range a camera can capture in one image from light to dark

SLT A99
14.0 ev
Nikon D750
14.5 ev

Features Key features of the SLT A99  vs Nikon D750 

Megapixels Maximum resolution images are captured at

SLT A99
24 MP
Nikon D750
24.3 MP

Max ISO Maximum light sensitivity of the sensor

SLT A99
25,600 ISO
Nikon D750
51,200 ISO

Focus points How many different points the camera can focus on

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

Viewfinder size Large viewfinders are brighter and more comfortable to use

SLT A99
0.71x
Nikon D750
0.7x

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

SLT A99
35.8 microns
Nikon D750
35.4 microns

Reviews Word on the street

Specifications Full list of technical specs

sensor

SLT A99  vs
Nikon D750 
Type EXMOR CMOS
Megapixels 24 MP 24.3 MP
Resolution 6000 x 4000 5696 x 4272
Size Full frame Full frame
Area 35.8 x 24 mm 35.9 x 24 mm
Crop factor 1.0x 1.0x
Pixel size 35.8 microns 35.4 microns
Light sensitivity 100 ISO to 25,600 ISO 100 ISO to 12,800 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes
Tested vertical resolution 2,900 LPH 2,200 LPH
Tested horizontal resolution 2,900 LPH 2,200 LPH

focus system

Type Phase detection Phase detection
Focus points 19 51
Cross type focus points 11 15
Supports continuous Yes No

shutter

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

form factor

Size 147 x 111 x 78 mm 141 x 113 x 78 mm
Thickness 78 mm 78 mm
Weight 812 g 750 g
Is weather sealed Yes Yes

features

Includes a GPS Yes No
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
Nikon D750 
Video 1920 x 1080 @ 60 fps (17 Mbps, AVCHD, MPEG-4) 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 Contrast detection
Autofocus type Phase detection Contrast detection
Autofocus supports continuous Yes Yes

display

Type LCD TFT
Size 3" 3.2"
Resolution 1,229 k dots 1,229 k dots
Has a touch screen No No
Has a flip out screen Yes Yes
Supports live view Yes Yes

viewfinder

Viewfinder mirror Translucent Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 100%
Magnification 0.71x 0.7x
Viewfinder size 0.71x 0.7x

performance

Max continuous shooting 6 fps 6.5 fps
Battery life 500 1,230
Continuous shooting
6.5 fps
6 fps
Sony SLT A99
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Nikon D750
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