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Sony T99 vs Sony A77

Portability
96
Imaging
37
Features
27
Overall
33
Sony Cyber-shot DSC-T99 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sony T99 vs Sony A77 Key Specs

Sony T99
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-100mm (F3.5-4.6) lens
  • 121g - 93 x 56 x 17mm
  • Revealed July 2010
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Raise to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Revealed October 2011
  • Succeeded the Sony A700
  • Successor is Sony A77 II
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Sony T99 vs Sony A77 Overview

Its time to take a deeper look at the Sony T99 and Sony A77, one is a Ultracompact and the latter is a Advanced DSLR and both are offered by Sony. There is a crucial difference between the resolutions of the T99 (14MP) and A77 (24MP) and the T99 (1/2.3") and A77 (APS-C) enjoy different sensor sizes.

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The T99 was brought out 15 months earlier than the A77 which makes the cameras a generation away from each other. The two cameras come with different body type with the Sony T99 being a Ultracompact camera and the Sony A77 being a Mid-size SLR camera.

Before diving straight into a in depth comparison, below is a quick synopsis of how the T99 grades versus the A77 in regards to portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Sony T99 over the Sony A77

 T99 A77 
Touch screen Quickly navigate

Reasons to pick Sony A77 over the Sony T99

 A77 T99 
RevealedOctober 2011July 2010Newer by 15 months
Manually focus More precise focusing
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Easy selfies

Common features in the Sony T99 and Sony A77

 T99 A77 
Screen dimension3"3"Identical screen dimensions

Sony T99 vs Sony A77 Physical Comparison

If you're planning to travel with your camera regularly, you will have to factor its weight and volume. The Sony T99 has physical dimensions of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") along with a weight of 121 grams (0.27 lbs) and the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Check the Sony T99 and Sony A77 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with during that time. Below is the front view physical size comparison of the T99 against the A77.

Sony T99 vs Sony A77 size comparison

Taking into account size and weight, the portability grade of the T99 and A77 is 96 and 59 respectively.

Sony T99 vs Sony A77 top view buttons comparison

Sony T99 vs Sony A77 Sensor Comparison

In many cases, it is very hard to visualize the gap between sensor dimensions merely by going over specifications. The pic below may provide you a more clear sense of the sensor dimensions in the T99 and A77.

To sum up, the two cameras have got different resolutions and different sensor dimensions. The T99 due to its tinier sensor is going to make achieving shallow DOF more challenging and the Sony A77 will deliver extra detail having its extra 10 Megapixels. Higher resolution can also allow you to crop photographs much more aggressively. The more aged T99 is going to be behind with regard to sensor innovation.

Sony T99 vs Sony A77 sensor size comparison

Sony T99 vs Sony A77 Screen and ViewFinder

Sony T99 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony T99 as a Portrait photography camera
Sony A77 as a Portrait photography camera
28
sensor resolution is decent (14 megapixels)
manual focus not available
no manual mode
no external flash support
very small sensor size (1/2.3")
has no RAW files
77
you can focus manually
good resolution (24MP)
decent sensor size (APS-C)
includes face detection autofocus
supports RAW formats
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Street Comparison

Sony T99 Street photography factors
Sony A77 Street photography factors
57
has image stabilization (Optical)
fixed screen
very small sensor size (1/2.3")
has no RAW files
74
fully articulated screen
has image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
environment proof
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Sports Comparison

Sony T99 Sports photography highlights
Sony A77 Sports photography highlights
35
has image stabilization (Optical)
sensor resolution is decent (14MP)
max shutter speed is low (1/1,250s)
lack of shutter priority mode
very small sensor size (1/2.3")
has no phase detect auto focus
74
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
good resolution (24 megapixels)
decent sensor size (APS-C)
environment proof
comes with phase detect autofocus
bad battery pack (470 per charge)
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Travel Comparison

Travel photography with Sony T99
Travel photography with Sony A77
65
sensor resolution is decent (14 megapixels)
built-in flash
really wide (25mm)
missing Time Lapse function
screen isn't selfie friendly
sluggish maximum aperture (f3.5)
62
environment proof
good resolution (24 megapixels)
flash built-in
display is selfie friendly
lack of Time Lapse function
bad battery pack (470 per charge)
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Landscape Comparison

Sony T99 Landscape photography information
Sony A77 Landscape photography information
42
really wide (25mm)
nice screen size (3 inch)
has image stabilization (Optical)
sensor resolution is decent (14 megapixels)
manual focus not available
cannot swap lenses (fixed lens mount)
sluggish maximum aperture (f3.5)
no manual mode
very small sensor size (1/2.3")
has no RAW files
missing Time Lapse function
71
you can focus manually
interchangeable lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
good resolution (24MP)
decent sensor size (APS-C)
supports RAW formats
environment proof
bad battery pack (470 shots)
lack of Time Lapse function
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Vlogging Comparison

Sony T99 Vlogging information
Sony A77 Vlogging information
31
really wide (25mm)
touchscreen
has image stabilization (Optical)
sluggish maximum aperture (f3.5)
screen isn't selfie friendly
low res video (1280 x 720 resolution)
missing external mic port
76
display is selfie friendly
has image stabilization (Sensor based)
includes face detection autofocus
high quality video (1920 x 1080 resolution)
does have external mic port
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Sony T99 vs Sony A77 Specifications

Detailed spec comparison table for Sony T99 and Sony A77
 Sony Cyber-shot DSC-T99Sony SLT-A77
General Information
Make Sony Sony
Model type Sony Cyber-shot DSC-T99 Sony SLT-A77
Category Ultracompact Advanced DSLR
Revealed 2010-07-08 2011-10-25
Body design Ultracompact Mid-size SLR
Sensor Information
Chip Bionz 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 14 megapixels 24 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2 and 16:9
Highest Possible resolution 4320 x 3240 6000 x 4000
Maximum native ISO 3200 16000
Maximum enhanced ISO - 25600
Minimum native ISO 80 50
RAW photos
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 25-100mm (4.0x) -
Highest aperture f/3.5-4.6 -
Macro focusing distance 1cm -
Amount of lenses - 143
Focal length multiplier 5.8 1.5
Screen
Range of display Fixed Type Fully Articulated
Display diagonal 3 inch 3 inch
Display resolution 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Min shutter speed 2 seconds 30 seconds
Max shutter speed 1/1250 seconds 1/8000 seconds
Continuous shutter speed 10.0 frames/s 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash distance 4.60 m 12.00 m
Flash options Auto, On, Off, Red eye, Slow syncro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Max flash sync - 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) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1280x720 1920x1080
Video file format MPEG-4 MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 121 gr (0.27 pounds) 732 gr (1.61 pounds)
Dimensions 93 x 56 x 17mm (3.7" x 2.2" x 0.7") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall 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 - 470 images
Battery form - Battery Pack
Battery ID NP-BN1 NP-FM500H
Self timer Yes (2 or 10 sec, portrait1, portrait2) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Retail price $179 $900