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Sigma SD1 vs Sony A65

Portability
77
Imaging
54
Features
43
Overall
49
Sigma SD1 front
 
Sony SLT-A65 front
Portability
64
Imaging
63
Features
85
Overall
71

Sigma SD1 vs Sony A65 Key Specs

Sigma SD1
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 0 - 0
  • No Video
  • Sigma SA Mount
  • n/ag - 146 x 113 x 80mm
  • Launched September 2010
  • Newer Model is Sigma SD1 Merrill
Sony A65
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 622g - 132 x 97 x 81mm
  • Launched November 2011
  • Newer Model is Sony A68
Photography Glossary

Sigma SD1 vs Sony A65 Overview

In this article, we are looking at the Sigma SD1 and Sony A65, one being a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Sigma and Sony. There exists a sizeable gap among the resolutions of the SD1 (15MP) and A65 (24MP) but they enjoy the same exact sensor sizing (APS-C).

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The SD1 was brought out 14 months earlier than the A65 making the cameras a generation apart from one another. Both of the cameras offer different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A65 being a Compact SLR camera.

Before delving through a step-by-step comparison, below is a short synopsis of how the SD1 grades vs the A65 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Sigma SD1 over the Sony A65

 SD1 A65 

Reasons to pick Sony A65 over the Sigma SD1

 A65 SD1 
LaunchedNovember 2011September 2010More recent by 14 months
Display typeFully ArticulatedFixed Fully Articulating display
Display resolution921k460kCrisper display (+461k dot)
Selfie screen Easy selfies

Common features in the Sigma SD1 and Sony A65

 SD1 A65 
Manual focus Very precise focusing
Display sizing3"3"Equivalent display measurement
Touch display Neither includes Touch display

Sigma SD1 vs Sony A65 Physical Comparison

For anybody who is going to lug around your camera frequently, you'll have to factor its weight and volume. The Sigma SD1 features exterior dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs) whilst the Sony A65 has sizing of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") accompanied by a weight of 622 grams (1.37 lbs).

Check out the Sigma SD1 and Sony A65 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that moment. Below is the front view size comparison of the SD1 against the A65.

Sigma SD1 vs Sony A65 size comparison

Using dimensions and weight, the portability score of the SD1 and A65 is 77 and 64 respectively.

Sigma SD1 vs Sony A65 top view buttons comparison

Sigma SD1 vs Sony A65 Sensor Comparison

Quite often, it is difficult to imagine the gap in sensor measurements merely by looking through specifications. The visual here will help provide you a far better sense of the sensor sizes in the SD1 and A65.

To sum up, both the cameras enjoy the same exact sensor sizing but different MP. You should expect to see the Sony A65 to render more detail having its extra 9 Megapixels. Greater resolution will make it easier to crop images far more aggressively. The older SD1 will be behind with regard to sensor technology.

Sigma SD1 vs Sony A65 sensor size comparison

Sigma SD1 vs Sony A65 Screen and ViewFinder

Sigma SD1 vs Sony A65 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD1 Portrait photography information
Sony A65 Portrait photography information
64
you can focus manually
good resolution (15MP)
decent sensor size (APS-C)
delivers RAW formats
no liveview
77
manual focus
decent sensor resolution (24 megapixels)
sensor size is nice (APS-C)
provides face detection focus
delivers RAW formats
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Street Comparison

Sigma SD1 Street photography info
Sony A65 Street photography info
62
decent sensor size (APS-C)
delivers RAW formats
weather sealing
fixed screen
lack of image stabilization
low maximum ISO (0)
77
screen articulates
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
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Sports Comparison

Sports photography with Sigma SD1
Sports photography with Sony A65
55
good resolution (15MP)
decent sensor size (APS-C)
weather sealing
comes with phase detect auto focus
no liveview
continuous shooting slow (5.0 frames/s)
lack of image stabilization
81
image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is nice (APS-C)
provides tracking autofocus
supports phase detect auto focus
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Travel Comparison

Sigma SD1 as a Travel photography camera
Sony A65 as a Travel photography camera
65
weather sealing
good resolution (15 megapixels)
built-in flash
lack of Timelapse recording
does not have a selfie friendly display
68
decent sensor resolution (24 megapixels)
built-in flash
selfie friendly screen
no Timelapse function
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Landscape Comparison

Landscape photography with Sigma SD1
Landscape photography with Sony A65
61
you can focus manually
switch lenses (Sigma SA mount)
pretty good screen size (3 inch)
good resolution (15MP)
decent sensor size (APS-C)
delivers RAW formats
weather sealing
no liveview
lack of image stabilization
low maximum ISO (0)
lack of Timelapse recording
75
manual focus
swap lenses (Sony/Minolta Alpha mount)
screen size is good (3")
image stabilization (Sensor based)
decent sensor resolution (24MP)
sensor size is nice (APS-C)
delivers RAW formats
no Timelapse function
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Vlogging Comparison

Sigma SD1 Vlogging information
Sony A65 Vlogging information
9
can't record video
78
selfie friendly screen
image stabilization (Sensor based)
provides face detection focus
video res high (1920 x 1080 pixels)
comes with external microphone port
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Sigma SD1 vs Sony A65 Specifications

Detailed spec comparison table for Sigma SD1 and Sony A65
 Sigma SD1Sony SLT-A65
General Information
Company Sigma Sony
Model type Sigma SD1 Sony SLT-A65
Type Advanced DSLR Entry-Level DSLR
Launched 2010-09-21 2011-11-15
Body design Mid-size SLR Compact SLR
Sensor Information
Powered by Dual True II Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor measurements 24 x 16mm 23.5 x 15.6mm
Sensor area 384.0mm² 366.6mm²
Sensor resolution 15 megapixel 24 megapixel
Anti alias filter
Aspect ratio - 3:2 and 16:9
Peak resolution 4800 x 3200 6000 x 4000
Highest native ISO - 12800
Highest enhanced ISO - 25600
Minimum native ISO - 100
RAW images
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 15
Cross type focus points 2 3
Lens
Lens support Sigma SA Sony/Minolta Alpha
Number of lenses 76 143
Crop factor 1.5 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen sizing 3" 3"
Resolution of screen 460k dot 921k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.64x 0.73x
Features
Minimum shutter speed 15 secs 30 secs
Fastest shutter speed 1/2000 secs 1/4000 secs
Continuous shutter speed 5.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance - 10.00 m
Flash options - Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync - 1/160 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution None 1920x1080
Video format - MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight - 622 grams (1.37 lb)
Dimensions 146 x 113 x 80mm (5.7" x 4.4" x 3.1") 132 x 97 x 81mm (5.2" x 3.8" x 3.2")
DXO scores
DXO Overall rating not tested 74
DXO Color Depth rating not tested 23.4
DXO Dynamic range rating not tested 12.6
DXO Low light rating not tested 717
Other
Battery life - 560 shots
Battery form - Battery Pack
Battery ID - NP-FM500H
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Type of storage Compact Flash (Type I, UDMA compatible) SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Launch price $2,339 $700