Sony DSLR-A100 vs SLT-A55

differences

Advantages of the Sony DSLR-A100

Significantly longer battery life

750 shots

350 shots

More than 2x more shots per battery charge

Has an optical viewfinder

Pentamirror

Digital

Optical viewfinders save battery life and are more detailed

Much thinner

2.8"

3.3"

Around 20% thinner

Smaller

133x95x71 mm

124x92x85 mm

Around 10% smaller

Larger sensor

APS-C 23.6x15.8mm

APS-C 23.5x15.6mm

Almost the same

Learn more about
the Sony DSLR-A100

Advantages of the Sony SLT-A55

Shoots movies

1080p @ 30fps

None

Shoots Full HD (1080p) video as well as still pictures

Much larger screen

3.0"

2.5"

More than 20% larger screen

Significantly lower noise at high ISO

816 ISO

476 ISO

The SLT-A55 has a slight edge (0.8 f-stops) in low noise, high ISO performance

Has live view

Yes

Preview your photos on the camera's screen before taking them

Significantly better image quality

73.0

61.0

Around 20% better image quality

Much higher resolution screen

921k dots

230k dots

More than 4x higher resolution screen

More dynamic range

12.4 EV

11.2 EV

1.2 f-stops more dynamic range

Faster autofocus

Phase detection

Contrast detection

Catch candid moments easily

Shoots much faster

10 fps

3 fps

Around 3.5x faster continuous shooting

Video autofocus

Phase detection

None

Automatically focuses shooting video

Has in-camera HDR

Yes

Combines multiple exposures to capture high dynamic range

Better maximum light sensitivity

12,800 ISO

1,600 ISO

The SLT-A55's maximum light sensitivity is 3 f-stops better

Has a GPS

Yes

Automatically geotags your photos when traveling

Takes 3D photos

Yes

Combines multiple photos into a 3D image

Can create panoramas in-camera

Yes

Stitches together multiple photos for a wide perspective

Has a flip-out screen

Yes

Flip-out screens can be helpful when composing tricky shots or taking movies

Significantly higher true resolution

16 MP

10 MP

Capture around 60% more detail in your photos

Has a CMOS-family sensor

CMOS

CCD

CMOS-family sensors often produce better quality images

Has boost ISO

25,600 ISO

None

Allows taking photos in darker situations, often at the cost of additional noise in the image

Better color depth

23 bits

22 bits

Distinguishes 1 more bits of color

Slightly less startup delay

900 ms

1100 ms

Around 20% less delay when turning on

Significantly lighter

500 g

638 g

More than 20% lighter

Learn more about
the Sony SLT-A55

recommendations

Relative to the best recent entry-level DSLRs, and ignoring price

Sony Alpha DSLR-A100

30	vs	62
Explain scores

Sony SLT-A55

Snapsort recommends the Sony SLT-A55.

similarities

Compared to recent entry-level DSLRs

Common Strengths

Common Weaknesses

	Good image stabilization
	Sensor shift

Large sensors

DSLR-A100:	APS-C 23.6x15.8mm
SLT-A55:	APS-C 23.5x15.6mm

	Slow max shutter speed
	1/4000 of a second

	Few lenses available
	92 lenses

Capture low resolution images

DSLR-A100:	10 MP
SLT-A55:	16 MP

	Neither is weather sealed
	Need to shelter it from weather

Above average noise at high ISO

DSLR-A100:	476 ISO
SLT-A55:	816 ISO

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competitors

Sony SLT A57

Entry-level DSLR

$460 - $499 body only

$519 - $539 with 18-55mm lens

Much larger viewfinder

Slightly higher maximum light sensitivity

Is thicker

Is slightly heavier

Compare the SLT A57 vs the Alpha DSLR-A100

Compare the SLT A57 vs the SLT-A55

Canon Rebel T3i

Entry-level DSLR

$549 body only

$599 - $649 with 18-55mm lens

Takes slightly higher resolution photos

Records movies in 24p

Is thicker

Is slightly heavier

Compare the Rebel T3i vs the Alpha DSLR-A100

Compare the Rebel T3i vs the SLT-A55

Nikon D5100

Entry-level DSLR

$497 body only

$597 - $805 with 18-55mm lens

Is significantly less noisy at high ISO

Has slightly better image quality

Is thicker

Is slightly heavier

Compare the D5100 vs the Alpha DSLR-A100

Compare the D5100 vs the SLT-A55

Nikon D3100

Entry-level DSLR

$447 - $740 with 18-55mm lens

Records movies in 24p

Has slightly less startup delay

Is thicker

Doesn't have a built-in focus motor

Compare the D3100 vs the Alpha DSLR-A100

Compare the D3100 vs the SLT-A55

Nikon D90

Entry-level DSLR

$675 - $899 body only

$799 - $1,099 with 18-105mm lens

Is slightly less noisy at high ISO

Slightly larger viewfinder

Is thicker

Is significantly heavier

Compare the D90 vs the Alpha DSLR-A100

Compare the D90 vs the SLT-A55

Nikon D3200

Entry-level DSLR

$547 with 18-55mm lens

Is significantly less noisy at high ISO

Has slightly better image quality

Is thicker

Doesn't have a built-in focus motor

Compare the D3200 vs the Alpha DSLR-A100

Compare the D3200 vs the SLT-A55

Sony SLT A35

Entry-level DSLR

$446 - $1,052 with 18-55mm lens

Is much less expensive

Is slightly lighter

Is thicker

Is slightly larger

Compare the SLT A35 vs the Alpha DSLR-A100

Compare the SLT A35 vs the SLT-A55

Sony Alpha DSLR-A200

Entry-level DSLR

Significantly larger screen

Slightly better image quality

More startup delay

Slightly larger

Compare the Alpha DSLR-A200 vs the Alpha DSLR-A100

Canon EOS Digital Rebel XTi

Entry-level DSLR

$900 with 18-55mm lens

Lower noise at high ISO

Significantly more lenses available

No image stabilization

Much smaller sensor

Compare the EOS Digital Rebel XTi vs the Alpha DSLR-A100

Sony Alpha DSLR-A300

Entry-level DSLR

Has live view

Significantly larger screen

Smaller viewfinder

Larger

Compare the Alpha DSLR-A300 vs the Alpha DSLR-A100

Nikon D80

Entry-level DSLR

Much more lenses available

Larger viewfinder

No image stabilization

Significantly larger

Compare the D80 vs the Alpha DSLR-A100

Konica Minolta Dynax 5D

Entry-level DSLR

Lower noise at high ISO

Smaller

Worse color depth

Worse image quality

Compare the Dynax 5D vs the Alpha DSLR-A100

Sony SLT A65

Entry-level DSLR

$587 - $698 body only

$798 - $1,005 with 18-55mm lens

Supports 24p

Much higher true resolution

Much more startup delay

More noise at high ISO

Compare the SLT A65 vs the SLT-A55

Sony SLT A58

Entry-level DSLR

$588 - $598 with 18-55mm lens

Better color depth

Supports 24p

Significantly smaller screen

Significantly lower resolution screen

Compare the SLT A58 vs the SLT-A55

Sony SLT A77

Pro DSLR

$998 - $1,000 body only

$1,598 - $1,930 with 16-50mm lens

Weather sealed

Supports 24p

Much more startup delay

Much larger

Compare the SLT A77 vs the SLT-A55

Canon EOS 60D

Pro DSLR

$699 - $899 body only

$999 - $1,279 with 18-135mm lens

Much longer battery life

Weather sealed

Less dynamic range

Worse image quality

Compare the EOS 60D vs the SLT-A55

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Sony AlphaDSLR-A100 vs SonySLT-A55

Sony SLT-A55

Reasons to buy the Sony SLT-A55

Sony Alpha DSLR-A100

Reasons to buy the Sony Alpha DSLR-A100

recommendations

Relative to the best recent entry-level DSLRs, and ignoring price

differences

Advantages of the Sony DSLR-A100

Advantages of the Sony SLT-A55

recommendations

Relative to the best recent entry-level DSLRs, and ignoring price

similarities

Compared to recent entry-level DSLRs

dxomark

competitors

Shared Competitors

Advantages

Disadvantages

Sony SLT A57

Canon Rebel T3i

Nikon D5100

Nikon D3100

Nikon D90

Nikon D3200

Sony SLT A35

Sony Alpha DSLR-A100 Competitors

Advantages

Disadvantages

Sony Alpha DSLR-A200

Canon EOS Digital Rebel XTi

Sony Alpha DSLR-A300

Nikon D80

Konica Minolta Dynax 5D

Sony SLT-A55 Competitors

Advantages

Disadvantages

Sony SLT A65

Sony SLT A58

Sony SLT A77

Canon EOS 60D

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discussion

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Sony Alpha
DSLR-A100
vs
Sony
SLT-A55