Sony SLT A77 vs Sigma SD1

Sony SLT-A77
Sigma SD1

Reasons to buy the Sony SLT A77

Great image quality
Overall image quality
78.0
Great color depth
Color depth
24 bits
Wide dynamic range
Dynamic range
13.2 EV
Large viewfinder
Viewfinder size
0.72x
 

Reasons to buy the Sigma SD1

Viewfinder
Great viewfinder
Pentaprism
Fastest shutter speed
Fast shutter speed
1/8000 of a second
Weather sealed
Weather sealed
Shoot in extreme weather
Interchangeable lenses
Interchangeable lenses
Many lenses to choose from

galleries

Explore our gallery of 2 sample photos taken by the Sigma SD1.
Explore our gallery of 50 sample photos taken by the Sony SLT-A77.

competitors

Sony SLT-A77 Competitors

Sony SLT A77 II

Sony SLT A77 II

Pro DSLR

$1,198 body only

$1,798 with 16-50mm lens

Low light performance Much lower noise at high ISO
Focus points More focus points
GPS No built-in GPS
Sony SLT-A68

Sony SLT-A68

Boutique

Focus points More focus points
Weight Lighter
Screen size Much smaller screen
Sony Alpha A6000

Sony Alpha A6000

Mirrorless interchangeable-lens

$445 - $548 body only

$479 - $648 with 16-50mm lens

Low light performance Much lower noise at high ISO
Image stabilization Better image stabilization
Autofocus Slower autofocus

Sigma SD1 Competitors

Sigma sd Quattro

Sigma sd Quattro

Mirrorless interchangeable-lens

$799 - $980 body only

$999 with 30mm lens

Live view Has live view
Screen resolution Much higher resolution screen
Viewfinder Has a digital viewfinder
Sigma DP2 Quattro

Sigma DP2 Quattro

Boutique

$879 - $999

True resolution Much higher true resolution
Screen resolution Higher resolution screen
Viewfinder No viewfinder
Nikon D70

Nikon D70

Pro DSLR

Lens availability Much more lenses available
Built-in focus motor Has a built-in focus motor
Screen size Much smaller screen

discussion

Sony SLT-A77
SLT A77
Sony

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Sigma SD1
SD1
Sigma

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