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Olympus TG-310 vs Sony A100

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-310 front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Olympus TG-310 vs Sony A100 Key Specs

Olympus TG-310
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-102mm (F3.9-5.9) lens
  • 155g - 96 x 63 x 23mm
  • Introduced January 2011
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Announced July 2006
  • Earlier Model is Konica Minolta 5D
  • Successor is Sony A550
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Olympus TG-310 vs Sony A100 Overview

On this page, we will be looking at the Olympus TG-310 versus Sony A100, one being a Waterproof and the latter is a Entry-Level DSLR by brands Olympus and Sony. There is a huge difference between the resolutions of the TG-310 (14MP) and A100 (10MP) and the TG-310 (1/2.3") and A100 (APS-C) boast different sensor sizing.

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The TG-310 was manufactured 4 years later than the A100 and that is quite a significant gap as far as tech is concerned. Both the cameras have different body design with the Olympus TG-310 being a Compact camera and the Sony A100 being a Compact SLR camera.

Before diving right into a detailed comparison, here is a simple summary of how the TG-310 matches up vs the A100 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-310 over the Sony A100

 TG-310 A100 
AnnouncedJanuary 2011July 2006More recent by 54 months
Screen dimensions2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sony A100 over the Olympus TG-310

 A100 TG-310 
Focus manually More precise focusing

Common features in the Olympus TG-310 and Sony A100

 TG-310 A100 
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kThe same screen resolution
Selfie screen Neither features selfie screen
Touch screen Lack of Touch screen

Olympus TG-310 vs Sony A100 Physical Comparison

For anyone who is planning to lug around your camera often, you'll need to factor its weight and proportions. The Olympus TG-310 enjoys exterior dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") having a weight of 155 grams (0.34 lbs) while the Sony A100 has measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Compare the Olympus TG-310 versus Sony A100 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. The following is a front view measurements comparison of the TG-310 compared to the A100.

Olympus TG-310 vs Sony A100 size comparison

Looking at size and weight, the portability grade of the TG-310 and A100 is 94 and 64 respectively.

Olympus TG-310 vs Sony A100 top view buttons comparison

Olympus TG-310 vs Sony A100 Sensor Comparison

Usually, it is very tough to picture the difference between sensor measurements only by reading through technical specs. The graphic here will provide you a better sense of the sensor sizes in the TG-310 and A100.

As you have seen, both of these cameras have different resolutions and different sensor measurements. The TG-310 due to its tinier sensor is going to make shooting shallower DOF more difficult and the Olympus TG-310 will give you greater detail due to its extra 4MP. Higher resolution can also help you crop pictures a bit more aggressively. The more modern TG-310 provides a benefit in sensor technology.

Olympus TG-310 vs Sony A100 sensor size comparison

Olympus TG-310 vs Sony A100 Screen and ViewFinder

Olympus TG-310 vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-310 Portrait photography advice
Sony A100 Portrait photography advice
33
decent sensor resolution (14 megapixels)
comes with face detect autofocus
manual focus not available
no manual control
can't use external flash
tiny sensor size (1/2.3")
does not have RAW format
52
you can focus manually
nice sensor size (APS-C)
supports RAW formats
no liveview
megapixel count low (10 megapixels)
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Street Comparison

Olympus TG-310 Street photography info
Sony A100 Street photography info
66
built in image stabilization (Sensor-shift)
environment sealing
lighter than competition (155g)
screen is fixed
tiny sensor size (1/2.3")
does not have RAW format
64
image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
no moving screen
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Sports Comparison

Olympus TG-310 Sports photography details
Sony A100 Sports photography details
40
built in image stabilization (Sensor-shift)
decent sensor resolution (14 megapixels)
comes with tracking focus
environment sealing
painfully slow continuous shooting (1.0 fps)
no shutter priority
tiny sensor size (1/2.3")
terrible battery power (150 CIPA)
does not have phase detect autofocus
49
image stabilization (Sensor based)
nice sensor size (APS-C)
supports phase detect auto focus
no liveview
very slow continuous shooting (3.0 frames/s)
megapixel count low (10 megapixels)
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Travel Comparison

Olympus TG-310 Travel photography factors
Sony A100 Travel photography factors
67
lighter than competition (155g)
environment sealing
decent sensor resolution (14MP)
has built in flash
pretty wide (28mm)
doesn't have Timelapse recording
terrible battery power (150 per charge)
screen isn't selfie friendly
sluggish max aperture (f3.9)
45
has built in flash
doesn't have Timelapse recording
megapixel count low (10MP)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Olympus TG-310
Landscape photography with Sony A100
39
pretty wide (28mm)
built in image stabilization (Sensor-shift)
decent sensor resolution (14MP)
environment sealing
manual focus not available
lens is fixed (fixed lens mount)
sluggish max aperture (f3.9)
tiny screen (2.7 inches)
no manual control
tiny sensor size (1/2.3")
does not have RAW format
terrible battery power (150 per charge)
doesn't have Timelapse recording
53
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
nice sensor size (APS-C)
supports RAW formats
tiny screen (2.5 inch)
no liveview
megapixel count low (10MP)
doesn't have Timelapse recording
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Vlogging Comparison

Olympus TG-310 Vlogging details
Sony A100 Vlogging details
32
pretty wide (28mm)
built in image stabilization (Sensor-shift)
comes with face detect autofocus
lighter than competition (155g)
sluggish max aperture (f3.9)
screen isn't selfie friendly
video resolution low (1280 x 720 resolution)
doesn't have microphone jack
9
no video
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Olympus TG-310 vs Sony A100 Specifications

Detailed spec comparison table for Olympus TG-310 and Sony A100
 Olympus TG-310Sony Alpha DSLR-A100
General Information
Brand Name Olympus Sony
Model type Olympus TG-310 Sony Alpha DSLR-A100
Type Waterproof Entry-Level DSLR
Introduced 2011-01-06 2006-07-31
Physical type Compact Compact SLR
Sensor Information
Chip TruePic III+ -
Sensor type CCD CCD
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.6 x 15.8mm
Sensor surface area 28.1mm² 372.9mm²
Sensor resolution 14 megapixel 10 megapixel
Anti alias filter
Aspect ratio - 3:2
Highest Possible resolution 4288 x 3216 3872 x 2592
Maximum native ISO 1600 1600
Min native ISO 80 100
RAW format
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points - 9
Cross type focus points - -
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 28-102mm (3.6x) -
Highest aperture f/3.9-5.9 -
Macro focusing distance 3cm -
Amount of lenses - 143
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7 inch 2.5 inch
Screen resolution 230k dots 230k dots
Selfie friendly
Liveview
Touch operation
Screen tech TFT Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.55x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter rate 1.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 4.20 m -
Flash modes Auto, On, Off, Red-Eye, Fill-in Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
External flash
AEB
White balance bracketing
Max flash synchronize - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Maximum video resolution 1280x720 None
Video file format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 155 grams (0.34 lb) 638 grams (1.41 lb)
Physical dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO Overall rating not tested 61
DXO Color Depth rating not tested 22.0
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 476
Other
Battery life 150 images -
Battery style Battery Pack -
Battery ID LI-42B NP-FM55H
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC Compact Flash (Type I or II)
Card slots One One
Pricing at release $0 $1,000