A "cropped sensor" is a digital imaging sensor smaller than the traditional film size for the system in which it is used. APS-C is a cropped-sensor format compared to traditional 35mm-film or to "full frame" digital sensors. Cropped sensor may also refer to any smaller sensor, particularly when ...
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7answers
18k views
When do the differences between APS-C and full frame sensors matter, and why?
I'm trying to decide on a higher-end digital SLR, and I'm down to choosing between an APS-C model and a full-frame model.
I understand that the sensors are of different sizes, and as such have an ...
25
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9answers
13k views
What is the difference between EF and EF-S lenses?
This is specific to Canon, but what is the difference between EF and EF-S lenses?
9
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6answers
731 views
Lens upgrade paths (sub $1000) for the EF-S 18-55mm IS kit lens for Canon APS-C cameras
This is somewhat a follow-up to my earlier question on the limitations of the kit lens. I have browsed through quite a lot of sites including this one for user opinions & reviews of different ...
32
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4answers
2k views
Should I get DX for my APS-C camera, or FX lenses in case I upgrade to full-frame in the future?
I recently bought a Nikon D90 camera body, which has a "DX" APS-C-sized sensor..
Within the same budget, should I go with DX lenses or should I get full frame lenses in case I upgrade to a full frame ...
36
votes
6answers
1k views
Is crop-factor a bad thing?
It seems to me that there is a preference for full-frame sensors rather than cropped sensors, and I'm curious as to why. It seems to me, that the cropped sensor means that I get more bang for my buck ...
4
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6answers
1k views
What are the advantages to using EF-S lenses on Canon APS-C cameras?
I know EF-S lenses are "optimized" for crop sensors but what are the exact advantages to using an EF-S lens? Does it give better color, sharpness, depth of field, etc...?
In addition, do EF-S lenses ...
12
votes
6answers
2k views
Is it a wise-decision to buy full-frame lenses for use on an APS-C body?
I have a Canon 550D which I've been using for around a year now. I really love it and have learned a great deal with this and the 18 - 135mm kit lens. But now with experience I feel the need to get ...
7
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3answers
526 views
Fast telephoto primes for APS-C mounts — would they make any sense?
I can see the benefit of designing and manufacturing a wide-angle lens specifically for APS-C sized sensors instead of full-frame sensors: you will get smaller, lighter, and cheaper lenses.
But is it ...
10
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1answer
1k views
What are the different sensor sizes used in DSLRs?
What do the different sensor size names used by Canon mean? There's APS-C, APS-H and full format? What are the standards used by Nikon, Pentax, Sony, Olympus, Panasonic, and others?
What are the ...
4
votes
5answers
947 views
Is an EF 50mm f/1.4 the same as 50mm with an EF-S lens on a Canon 550D?
I have a Canon 550D with the standard 18-55mm kit lens. The 550D has a 1.6× crop factor.
My question is very simple but whenever I've asked before (Yahoo Answers) I always got overly-complicated ...
1
vote
1answer
330 views
Do crop sensors increase the depth of field when using full frame lenses?
I'm trying to achieve maximum depth of field without sacrificing light. I have a micro-4/3rds camera and i want to attach a full frame lens to it for the large and constant aperture. My question is, ...
11
votes
5answers
1k views
Sigma 10-20mm f5.6 alternatives?
I've been wanting to add a wide angle lens to my collection for a while now. Sigma 10-20mm f5.6 looks good. I was looking at it about 2 years ago. I was wondering if there have been newer wide angle ...
10
votes
3answers
1k views
Does a camera's crop factor apply to the magnification of macro shots?
If I have a lenses (or in my case extension tubes) that would allow the lens to magnify 1:1, does a 1.5x crop factor body make it really 1.5:1 ?
12
votes
8answers
3k views
How do I choose a macro lens for a Canon APS-C camera?
I have a Canon 40D and like taking macro shots sometimes, so I'm thinking of buying a macro lens. I'd also like the lens to double up as a portrait lens. I'm not a super serious photographer, so my ...
11
votes
4answers
610 views
What does 'Equivalent to 1.6x the focal length of the lens' mean?
In the specifications of Canon 550D, about the lens the following is mentioned
LENS
Lens Mount EF/EF-S
Focal Length Equivalent to 1.6x the focal length of the lens
Now this is really ...
11
votes
2answers
994 views
When I use FX lenses on a DX camera, does the focal length or minimum aperture change?
If I put a Nikkor 35mm f/2 FX lens on a DX camera, is it still 35mm f/2, or has the effective focal length or minimum aperture changed, because it is being used on a smaller format than what it was ...
6
votes
3answers
454 views
Fancy technology cropped vs old technology full frame - Which will give better images?
After selling my 1Dmk2 last year the time has come to get myself a new body, all along I'd decided that I wanted to do more "wow" pictures, big landscapes and do some more portait photography (up ...
5
votes
7answers
5k views
Does the Nikkor 50mm f/1.4g perform better than the f/1.8d?
Looking into these two lenses, I'm getting the impression that for my Nikon D-90 with DX camera sensor that the f/1.8d would waste light that is cropped by the sensor whereas the f/1.4g would not as ...
1
vote
3answers
511 views
Does sensor size affect lens distortion?
There was recently a video posted about how different focal lengths affect portrait photography, specifically how distortion at smaller focal lengths have more distortion and are less flattering.
So ...
1
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2answers
206 views
