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Olympus TG-320 vs Sony A77

Portability
94
Imaging
37
Features
33
Overall
35
Olympus TG-320 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Olympus TG-320 vs Sony A77 Key Specs

Olympus TG-320
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-102mm (F3.5-5.1) lens
  • 155g - 96 x 63 x 23mm
  • Launched January 2012
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • 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
  • Released October 2011
  • Succeeded the Sony A700
  • New Model is Sony A77 II
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Olympus TG-320 vs Sony A77 Overview

Let's look a little more closely at the Olympus TG-320 versus Sony A77, former being a Waterproof while the other is a Advanced DSLR by manufacturers Olympus and Sony. There is a substantial difference between the sensor resolutions of the TG-320 (14MP) and A77 (24MP) and the TG-320 (1/2.3") and A77 (APS-C) feature totally different sensor sizing.

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The TG-320 was brought out 3 months later than the A77 which means that they are both of a similar age. Both cameras offer different body type with the Olympus TG-320 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before we go straight into a in depth comparison, below is a quick summary of how the TG-320 scores versus the A77 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-320 over the Sony A77

 TG-320 A77 

Reasons to pick Sony A77 over the Olympus TG-320

 A77 TG-320 
Focus manually Dial precise focusing
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3"2.7"Larger display (+0.3")
Display resolution921k230kCrisper display (+691k dot)
Selfie screen Easy selfies

Common features in the Olympus TG-320 and Sony A77

 TG-320 A77 
ReleasedJanuary 2012October 2011Similar age
Touch display Missing Touch display

Olympus TG-320 vs Sony A77 Physical Comparison

For those who are looking to carry your camera frequently, you will need to factor in its weight and proportions. The Olympus TG-320 offers outside measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") with a weight of 155 grams (0.34 lbs) whilst the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Analyze the Olympus TG-320 versus Sony A77 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will differ depending on the lens you select at that time. Here is the front view sizing comparison of the TG-320 versus the A77.

Olympus TG-320 vs Sony A77 size comparison

Factoring in size and weight, the portability rating of the TG-320 and A77 is 94 and 59 respectively.

Olympus TG-320 vs Sony A77 top view buttons comparison

Olympus TG-320 vs Sony A77 Sensor Comparison

Often, it's tough to see the difference between sensor sizing just by going over technical specs. The visual below may provide you a clearer sense of the sensor measurements in the TG-320 and A77.

As you can tell, both the cameras enjoy different megapixel count and different sensor sizing. The TG-320 featuring a tinier sensor will make shooting shallower depth of field more difficult and the Sony A77 will offer you extra detail having its extra 10MP. Greater resolution can also let you crop photos far more aggressively.

Olympus TG-320 vs Sony A77 sensor size comparison

Olympus TG-320 vs Sony A77 Screen and ViewFinder

Olympus TG-320 vs Sony A77 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-320
Portrait photography with Sony A77
33
MP count decent (14MP)
features face detect focus
lack of manual focus
manual exposure not possible
cannot use external flash
very small sensor (1/2.3")
does not have RAW support
77
you can focus manually
megapixel count decent (24MP)
good sensor size (APS-C)
features face detect focus
exports RAW formats
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Street Comparison

Olympus TG-320 Street photography factors
Sony A77 Street photography factors
66
built in image stabilization (Sensor-shift)
environment proofing
lighter than average in class (155g)
screen is fixed
very small sensor (1/2.3")
does not have RAW support
74
screen can move to multiple angles
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
environment proof
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Sports Comparison

Sports photography with Olympus TG-320
Sports photography with Sony A77
40
built in image stabilization (Sensor-shift)
MP count decent (14MP)
features tracking focus
environment proofing
very slow continuous shooting (1.0 fps)
no shutter priority mode
very small sensor (1/2.3")
terrible battery power (150 per charge)
does not have phase detect auto focus
74
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based)
megapixel count decent (24 megapixels)
good sensor size (APS-C)
environment proof
supports phase detect auto focus
low battery power (470 per charge)
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Travel Comparison

Olympus TG-320 Travel photography highlights
Sony A77 Travel photography highlights
67
lighter than average in class (155 grams)
environment proofing
MP count decent (14MP)
built-in flash
pretty wide (28mm)
does not have Timelapse mode
terrible battery power (150 shots)
doesn't offer selfie friendly screen
sluggish max aperture (f3.5)
62
environment proof
megapixel count decent (24 megapixels)
built-in flash
display is selfie friendly
no Time Lapse recording
low battery power (470 shots)
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Landscape Comparison

Olympus TG-320 Landscape photography information
Sony A77 Landscape photography information
39
pretty wide (28mm)
built in image stabilization (Sensor-shift)
MP count decent (14 megapixels)
environment proofing
lack of manual focus
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
tiny screen (2.7 inch)
manual exposure not possible
very small sensor (1/2.3")
does not have RAW support
terrible battery power (150 shots)
does not have Timelapse mode
71
you can focus manually
change lenses (Sony/Minolta Alpha mount)
decent sized screen (3 inch)
has image stabilization (Sensor based)
megapixel count decent (24MP)
good sensor size (APS-C)
exports RAW formats
environment proof
low battery power (470 shots)
no Time Lapse recording
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Vlogging Comparison

Olympus TG-320 Vlogging factors
Sony A77 Vlogging factors
32
pretty wide (28mm)
built in image stabilization (Sensor-shift)
features face detect focus
lighter than average in class (155g)
sluggish max aperture (f3.5)
doesn't offer selfie friendly screen
low video resolution (1280 x 720 pxls)
does not have microphone socket
76
display is selfie friendly
has image stabilization (Sensor based)
features face detect focus
high res video (1920 x 1080 pxls)
comes with mic socket
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Olympus TG-320 vs Sony A77 Specifications

Detailed spec comparison table for Olympus TG-320 and Sony A77
 Olympus TG-320Sony SLT-A77
General Information
Make Olympus Sony
Model type Olympus TG-320 Sony SLT-A77
Type Waterproof Advanced DSLR
Launched 2012-01-10 2011-10-25
Physical type Compact Mid-size SLR
Sensor Information
Processor Chip TruePic III+ Bionz
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor area 28.1mm² 366.6mm²
Sensor resolution 14MP 24MP
Anti alias filter
Aspect ratio - 3:2 and 16:9
Highest resolution 4288 x 3216 6000 x 4000
Highest native ISO 1600 16000
Highest boosted ISO - 25600
Lowest native ISO 80 50
RAW photos
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points - 19
Cross type focus points - 11
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 28-102mm (3.6x) -
Maximum aperture f/3.5-5.1 -
Macro focusing range 3cm -
Total lenses - 143
Focal length multiplier 5.8 1.5
Screen
Type of screen Fixed Type Fully Articulated
Screen size 2.7 inch 3 inch
Screen resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch operation
Screen technology TFT Color LCD -
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/2000 seconds 1/8000 seconds
Continuous shooting rate 1.0 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 5.80 m 12.00 m
Flash modes Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Highest flash synchronize - 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 1280x720 1920x1080
Video file format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Mic port
Headphone port
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 155 grams (0.34 lbs) 732 grams (1.61 lbs)
Dimensions 96 x 63 x 23mm (3.8" x 2.5" x 0.9") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life 150 photos 470 photos
Type of battery Battery Pack Battery Pack
Battery ID LI-42B NP-FM500H
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Pricing at launch $0 $900