Support Cameralabs by shopping at our partner stores or donating via Paypal
 






Follow my RSS feed at Camera Labs RSS Feed
 
  Latest camera reviews

Canon SX520 HS
Canon G1 X Mark II
Panasonic Lumix FZ1000
Panasonic TZ60 / ZS40
Sony RX100 III review
Sony A3000 review
Canon EOS 1200D T5
Sony WX350
Nikon P600
Sony Alpha A5000
Sony Cyber-shot HX400V
Panasonic Lumix GH4
Panasonic TS5 FT5
Sony Alpha A6000
Canon SX700 HS
Canon SX600 HS
Olympus TOUGH TG2
Nikon AW1
Nikon D3300
Fujifilm XT1
Olympus STYLUS 1
Sony Cyber-shot RX10
Olympus OMD EM1
Panasonic Lumix GM1
Nikon D610
Sony Alpha A7
Nikon D5300
Canon PowerShot A2500
Sony Alpha A7r
Canon ELPH 130 IXUS 140
Nikon COOLPIX P520
Nikon COOLPIX L820
Canon PowerShot S120
Panasonic Lumix GX7
Canon SX510 HS
Canon PowerShot G16
Fujifilm X20
Panasonic FZ70 / FZ72
Canon EOS 70D
Sony RX100 II
Canon ELPH 330 IXUS 255
Panasonic Lumix GF6
Fujifilm XM1
Olympus EP5
Panasonic Lumix LF1
Panasonic TZ35 / ZS25
Olympus XZ2
Sony HX300
Panasonic Lumix G6
Sony HX50V
Fujifilm X100S
Canon SX280 HS
Canon EOS SL1 / 100D
Panasonic TZ40 / ZS30
Nikon D7100
Nikon COOLPIX A
Fujifilm X-E1
Canon EOS 6D
Nikon D5200
Panasonic Lumix GH3
Canon PowerShot S110
Panasonic Lumix G5
Sony NEX-6
Panasonic Lumix FZ200
Canon PowerShot SX50 HS
Nikon COOLPIX P7700
Olympus E-PL5
Canon EOS M
Panasonic TS20 / FT20
Canon PowerShot G15
Nikon D600
Nikon COOLPIX L810
Canon PowerShot D20
Sony RX100
Panasonic Lumix LX7
Canon SX500 IS
Fujifilm HS30 EXR
Sony HX200V
Panasonic FZ60 / FZ62
Canon 520HS / 500HS
Canon 110HS / 125HS
Nikon D800
Canon EOS T4i / 650D
Canon PowerShot A3400
Panasonic ZS15 / TZ25
Olympus E-M5
Nikon D3200
Fujifilm X-Pro1
Canon PowerShot A2300
Canon SX240 / SX260
Samsung NX200
Sony Alpha SLT-A77
Canon EOS 5D Mark III
Panasonic ZS20 / TZ30
Canon PowerShot G1 X
Sony NEX-7
Panasonic GX1
Olympus E-PM1
Nikon V1
Sony NEX-5N
Canon EOS T3 / 1100D
Canon EOS 600D / T3i
Nikon D7000
Canon EOS 60D
Canon EOS 550D / T2i
Canon EOS 7D

All camera reviews
 
 
   
 
  Best Buys: our top models
   
  Best Canon lens
Best Nikon lens
Best Sony lens
Best budget DSLR
Best mid-range DSLR
Best semi-pro DSLR
Best point and shoot
Best superzoom
Best camera accessories
   
 



Camera Labs Forum

Any questions, comments or a great tip to share? Join my Camera forum and let everyone know!
   
 
  DSLR Tips



 
Free Shipping on ALL Products
Sony Cyber-shot DSC-TX7 Ken McMahon, April 2010

Sony Cyber-shot DSC-TX7 results: Real-life resolution / High ISO Noise


Sony Cyber-shot DSC-TX7 vs Canon Digital IXUS 210 / PowerShot SD3500 IS Real-life resolution

 
Support this site by shopping below

 

To compare real-life performance we shot this scene with the Sony Cyber-shot DSC-TX7, and the Canon Digital IXUS 210 / PowerShot SD3500 IS, within a few moments of each other using their best quality JPEG settings.

The lenses on each camera were set to approximate the same field of view and both were set to Program mode with manual ISO override. Both cameras were set to the lowest available ISO sensitivity - 125 ISO on the Cyber-shot DSC-TX7 and 80 ISO on the IXUS 210 / PowerShot SD3500 IS.

 

The above image was taken with the Sony Cyber-shot DSC-TX7 in Program Auto mode. The lens was set to 4.43mm (25mm equivalent) and the metering selected an exposure of 1/500th of a second and f6.3 at 125 ISO. The original 3648x2736 pixel image had a file size of 4MB. The crops are taken from the areas marked with the red rectangles and presented here at 100%.

Overall, the Cyber-shot TX7 image looks good. It's well exposed and the colours look natural, if a little subdued. There's a slight red bias to this shot which isn't severe enough to call a cast, but the TX7 looks to favour a warmer rendition of colours, at least in bright sunny conditions like this.

Looking at the 100% crops, the most noticeable thing is that image detail is very soft. In the first crop it's usually possible to make out the crosses at either end of the chapel roof, but here, they're not visible and the detail in the rocky outcrops on the hill is not very well defined either.

In the next crop the lighthouse is quite well defined, but detail everywhere, most noticeably in the foreground roofs is soft. It's the same story on the third crop where you'd expect to see more detail in the roof tiling than the TX7 is delivering. Other than the overall softness of these crops, there's little else to criticize. Things don't get noticeable worse at the edge of the frame and there's only the tiniest hint of fringing caused by Chromatic aberration.

Compared with the crops from the Canon IXUS 210 / PowerShot SD3500 IS, the colour cast and lack of definition in the Cyber-shot TX7 crops is clear to see. Compare the detail in the second crop along the ridge of the roof in the foreground and the chimney of the building just to the left of it. And in the third crop look at how much detail the IXUS 210 / PowerShot SD3500 IS picks up in the roof tiles compared with the Cyber-shot TX7. If you still need convincing, look at the green roof in the bottom left corner of the fourth crop. The vertical struts in the IXUS 210 / PowerShot SD3500 IS crop are barely discernible in the Cyber-shot TX7 crop.

Note the absence of fine noise grain on the Sony samples compared to the Canon - this is more down to differences in noise reduction strategies than a cleaner signal from the TX7's sensor. If you like Sony's smooth approach to image processing, you may prefer its output below, but it's definitely smearing-out some of the finest details, and this can prove problematic at higher sensitivities. Speaking of which, let's now see how each camera performs throughout their sensitivity ranges in our Sony Cyber-shot DSC-TX7 High ISO Noise results.



Sony Cyber-shot DSC-TX7
 
Canon IXUS 210 / PowerShot SD3500 IS
f6.3, 125 ISO
f4, 80 ISO
     
f6.3, 125 ISO
f4, 80 ISO
     
f6.3, 125 ISO
f4, 80 ISO
     
f6.3, 125 ISO
f4, 80 ISO


Sony Cyber-shot DSC-TX7 results: Real-life resolution / High ISO Noise



All words, images, videos and layout, copyright 2005-2014 Gordon Laing. May not be used without permission.

/ How we test / Best Cameras / Advertising / Camera reviews / Supporting Camera Labs