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by Vian Esterhuizen

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Image quality describes how well a photograph matches a perceived technical ideal.

learn more… | top users | synonyms (1)

10
votes
3answers
8k views

How does using a 2x teleconverter with 70-200 f/2.8 affect use?

I recently acquired the Canon EF 70-200mm f/2.8L IS II USM lens and I love it. However the other weekend I went to Heathrow to do some aviation photography. Whilst it is great for aircraft near to ...
7
votes
3answers
1k views

Why are macros from my new DSLR no better than those from my P&S?

I have been using a 14mp point and shoot for a couple of years. I like to take macros of flowers, frost and bugs. I want to keep zooming in on my PC to see deeper into the flower, so I bought a 18mp ...
6
votes
7answers
3k views

Are there websites which compare digital cameras based on technical image quality?

There are lot of sites, which compare digital cameras by parameters, user experience and etc. I looking for a website which has some kind of procedure to test image quality and compares digital ...
4
votes
2answers
809 views

Are cropped images from a full-frame sensor equal quality to full APS-C images despite the lower resolution?

If I put a DX lens on a Nikon D700, it will reduce megapixels to 5.1. I understand that FX pixels are about 2.5 times larger than DX pixels. Would I be correct to assume that, therefore, my FX image ...
4
votes
5answers
2k views

Why does the quality of my pictures lower the more I zoom in?

I have a Canon 60D with the 18-200mm kit Lens. I was at the beach not too long ago, I took some pics of my son in the sand, from a very close distance and they came out great. Picture quality was top ...
4
votes
3answers
337 views

What feature in a digital camera do I want to give better quality pictures?

Five years ago I bought the Canon PowerShot S2 IS and loved the pictures it took. All pictures were very sharp and overall I was very happy with the camera. Last year I "upgraded" to the Panasonic ...
3
votes
3answers
233 views

How to remaster images from an early digital camera?

Background: I've got a lot of old photos taken by my first digital camera Epson PhotoPC 600 from 1997 and I'd love to make them look as good as possible. I do know they'll never look like those from ...
3
votes
1answer
3k views

Motorola Razr Maxx compression removal

I've recently acquired a Motorola Razr Maxx. I had hoped its camera would be good for those random shots of opportunity, but unfortunately its quality seems crippled by overzealous JPEG compression. ...
2
votes
2answers
383 views

How many megapixels are needed on a smartphone to take above quality photos?

Just regular above quality photos for Facebook and normal things.
2
votes
7answers
9k views

Is there an IQ gain from Canon's 18-135 to 24-105L?

Just got a Canon 40D body, and was about to get Canon's 24-105L lens. I hear people raving about the lens, and it all made sense until I saw a Cameralabs' review of the lens. So don’t buy the EF ...
0
votes
3answers
541 views

How to resize an image for web display?

I'm building some websites for a friend of mine, and putting them up on my home webserver. This server is pretty simple and my network connection ain't that good so the images take pretty long to ...
-1
votes
2answers
339 views

How to reduce the image resolution to increase ppi?

Having an photo of 4000x3000 resolution with 240ppi. Is it possible get a resolution of 400x300 resolution but with higher ppi?If possible how to do that?