Sony SLT A77 vs Sigma SD1

Sony SLT-A77
Sigma SD1

Reasons to buy the Sony SLT A77

Full HD
Movie format
1080p @ 60fps
Large viewfinder
Viewfinder size
0.72x
Image stabilization
Image stabilization
  1. Sensor shift
Has live view
Live view
Preview your photos
 

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
Badge
Phase detection autofocus
fast and accurate

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

Focus points Significantly more focus points
Screen resolution Higher resolution screen
3D Doesn't take 3D photos
Sony Alpha A6000

Sony Alpha A6000

Mirrorless interchangeable-lens

$548 body only

$698 with 16-50mm lens

Focus points Many more focus points
Low light performance Lower noise at high ISO
3D Doesn't take 3D photos
Sony A7

Sony A7

Mirrorless interchangeable-lens

$1,098 - $3,198 body only

$1,398 with 28-70mm lens

Low light performance Significantly lower noise at high ISO
Startup delay Much less startup delay
3D Doesn't take 3D photos

Sigma SD1 Competitors

Sigma DP2 Quattro

Sigma DP2 Quattro

Boutique

$859 - $879

Movie format Shoots movies
Startup delay Much less startup delay
Viewfinder No viewfinder
Sigma dp3 Quattro

Sigma dp3 Quattro

Boutique

$899

Screen resolution Significantly higher resolution screen
True resolution Higher true resolution
Viewfinder No viewfinder
Sigma SD15

Sigma SD15

Entry-level DSLR

$660 body only

$996 with 18-125mm lens

Lowest price Cheaper
Size Slightly smaller
Weather sealed No weather sealing

discussion

Sony SLT-A77
SLT A77
Sony

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Sigma SD1
SD1
Sigma

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