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Sigma SD10 vs Sony A77

Portability
54
Imaging
39
Features
27
Overall
34
Sigma SD10 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sigma SD10 vs Sony A77 Key Specs

Sigma SD10
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 800 (Push to 1600)
  • 1/6000s Maximum Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Announced March 2004
  • Old Model is Sigma SD9
  • New Model is Sigma SD14
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Announced October 2011
  • Older Model is Sony A700
  • Updated by Sony A77 II
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Sigma SD10 vs Sony A77 Overview

Let's look a bit more closely at the Sigma SD10 and Sony A77, both Advanced DSLR digital cameras by companies Sigma and Sony. There is a considerable difference between the resolutions of the SD10 (3MP) and A77 (24MP) but both cameras provide the identical sensor sizes (APS-C).

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The SD10 was announced 8 years prior to the A77 and that is quite a large difference as far as tech is concerned. Both cameras feature the same body design (Mid-size SLR).

Before delving straight to a in-depth comparison, here is a simple summary of how the SD10 grades against the A77 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Sigma SD10 over the Sony A77

 SD10 A77 

Reasons to pick Sony A77 over the Sigma SD10

 A77 SD10 
AnnouncedOctober 2011March 2004Fresher by 92 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3"1.8"Bigger screen (+1.2")
Screen resolution921k130kSharper screen (+791k dot)
Selfie screen Take selfies

Common features in the Sigma SD10 and Sony A77

 SD10 A77 
Focus manually Very accurate focus
Touch screen Lacking Touch screen

Sigma SD10 vs Sony A77 Physical Comparison

For anybody who is going to carry your camera regularly, you are going to need to factor its weight and size. The Sigma SD10 has got outside dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

See the Sigma SD10 and Sony A77 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary dependant on the lens you have attached at that time. Here is a front view proportions comparison of the SD10 and the A77.

Sigma SD10 vs Sony A77 size comparison

Factoring in size and weight, the portability grade of the SD10 and A77 is 54 and 59 respectively.

Sigma SD10 vs Sony A77 top view buttons comparison

Sigma SD10 vs Sony A77 Sensor Comparison

Often, it can be difficult to see the gap between sensor sizing purely by checking specifications. The photograph underneath will help offer you a clearer sense of the sensor dimensions in the SD10 and A77.

Plainly, each of the cameras come with the identical sensor size albeit not the same resolution. You can count on the Sony A77 to resolve more detail with its extra 21 Megapixels. Higher resolution will allow you to crop pictures a good deal more aggressively. The older SD10 is going to be disadvantaged with regard to sensor innovation.

Sigma SD10 vs Sony A77 sensor size comparison

Sigma SD10 vs Sony A77 Screen and ViewFinder

Sigma SD10 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD10 Portrait photography advice
Sony A77 Portrait photography advice
47
manual focus
sensor size is good (APS-C)
exports RAW formats
doesn't have liveview
low MP (3 megapixels)
77
focusing manually
MP count good (24MP)
good sensor size (APS-C)
provides face detect autofocus
exports RAW files
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Street Comparison

Sigma SD10 Street photography factors
Sony A77 Street photography factors
43
sensor size is good (APS-C)
exports RAW formats
no moving screen
no image stabilization
heavier than competitors (950g)
low max ISO (800)
74
screen articulates fully
built in image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment proof
Photography Glossary

Sports Comparison

Sports photography with Sigma SD10
Sports photography with Sony A77
36
max shutter speed is good (1/6,000s)
sensor size is good (APS-C)
doesn't have liveview
no image stabilization
low MP (3MP)
has no phase detect AF
74
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based)
MP count good (24 megapixels)
good sensor size (APS-C)
environment proof
has phase detect autofocus
bad battery power (470 CIPA)
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Travel Comparison

Sigma SD10 Travel photography information
Sony A77 Travel photography information
29
doesn't have Time Lapse mode
heavier than competitors (950g)
low MP (3MP)
screen is not selfie friendly
62
environment proof
MP count good (24MP)
flash built-in
selfie friendly display
no Time Lapse function
bad battery power (470 shots)
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Landscape Comparison

Sigma SD10 Landscape photography details
Sony A77 Landscape photography details
41
manual focus
change lenses (Sigma SA mount)
sensor size is good (APS-C)
exports RAW formats
screen is small (1.8")
doesn't have liveview
no image stabilization
low MP (3 megapixels)
low max ISO (800)
doesn't have Time Lapse mode
71
focusing manually
switch lenses (Sony/Minolta Alpha mount)
good sized screen (3 inches)
built in image stabilization (Sensor based)
MP count good (24MP)
good sensor size (APS-C)
exports RAW files
environment proof
bad battery power (470 per charge)
no Time Lapse function
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Vlogging Comparison

Sigma SD10 Vlogging advice
Sony A77 Vlogging advice
9
can't shoot video
76
selfie friendly display
built in image stabilization (Sensor based)
provides face detect autofocus
high quality video (1920 x 1080 resolution)
has mic socket
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Sigma SD10 vs Sony A77 Specifications

Detailed spec comparison table for Sigma SD10 and Sony A77
 Sigma SD10Sony SLT-A77
General Information
Brand Name Sigma Sony
Model Sigma SD10 Sony SLT-A77
Type Advanced DSLR Advanced DSLR
Announced 2004-03-19 2011-10-25
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Processor - Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.5 x 15.6mm
Sensor area 285.7mm² 366.6mm²
Sensor resolution 3 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 2268 x 1512 6000 x 4000
Maximum native ISO 800 16000
Maximum boosted ISO 1600 25600
Minimum native ISO 100 50
RAW photos
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 19
Cross focus points - 11
Lens
Lens mounting type Sigma SA Sony/Minolta Alpha
Available lenses 76 143
Focal length multiplier 1.7 1.5
Screen
Display type Fixed Type Fully Articulated
Display sizing 1.8 inches 3 inches
Resolution of display 130k dots 921k dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.77x 0.73x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/6000s 1/8000s
Continuous shooting rate - 12.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 12.00 m
Flash options - Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
White balance bracketing
Highest flash synchronize 1/180s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution None 1920x1080
Video format - MPEG-4, AVCHD, H.264
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 950 grams (2.09 lb) 732 grams (1.61 lb)
Physical dimensions 152 x 120 x 79mm (6.0" x 4.7" x 3.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around score not tested 78
DXO Color Depth score not tested 24.0
DXO Dynamic range score not tested 13.2
DXO Low light score not tested 801
Other
Battery life - 470 photos
Type of battery - Battery Pack
Battery model - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage Compact Flash Type I or II SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Retail cost $198 $900