Tagged Questions
3
votes
4answers
259 views
Why do Canon EF and EF-S lenses exhibit the same crop factor?
I have a Canon 7D, which has a crop factor of 1.6x.
When using a Canon EF-S lens I get the focal length stated on the lens, when using a Canon EF lens I get the focal length times 1.6 when used on ...
1
vote
3answers
515 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 ...
2
votes
1answer
483 views
What does “angle of view equivalent to that of some lens in 35mm format” mean?
Does "angle of view equivalent to that of 22.5-585 mm lens in 35mm [135] format" for a digital camera mean that the lens is equivalent to a 22.5-585 mm lens for a DSLR camera?
2
votes
2answers
166 views
Are film lenses effectively longer focal lengths on cropped-sensor DSLRs? [duplicate]
Possible Duplicate:
Does my crop sensor camera actually turn my lenses into a longer focal length?
My wife has a pair of Tokina lens (28-80mm and 100-300mm, I believe, without the lens here ...
1
vote
3answers
716 views
50mm lens=75mm on DX camera? [duplicate]
I'm looking for a 50mm lens for my nikon d3100 and I just came across an AF-S 50mm f/1.8G lens and it says in the description that if it's used on a DX camera, the angle of view is going to be 75mm. I ...
1
vote
2answers
1k views
DX 35mm vs FX 50mm
Will the picture taken from
AF-S DX NIKKOR 35mm f/1.8G and
AF-NIKKOR 50mm f/1.8G be one and the same because of the DX and FX format??
6
votes
6answers
1k views
How do I get the 'equivalent' focal length for a DSLR lens for my camera?
On my Nikon D3000, how do I figure the focal length equivalence? In other words, if I want a lens that is just like a 50mm lens on a 35mm film SLR, I need to multiply by a factor. What is the factor, ...
4
votes
3answers
434 views
Why do my 100mm EF macro lens and my EF-S zoom set at 100mm appear to give a different field of view?
I have a Canon EF 100mm Macro and a Canon EF-S 18-200mm Lens, and using a Canon EOS 60D.
I believed that when setting the Zoom Lens to 100mm it would show the same field of view as the one from ...
2
votes
3answers
442 views
EF-S lens focal length [duplicate]
Possible Duplicate:
Does my crop sensor camera actually turn my lenses into a longer focal length?
If I have an EF-S lens with a focal length of 10mm on an APS-C camera (i.e. with sensor ...
11
votes
4answers
612 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 ...
4
votes
5answers
958 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 ...
13
votes
6answers
1k views
Can a smaller sensor's “crop factor” be used to calculate the exact increase in depth of field?
If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame ...
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 ?
11
votes
2answers
1k 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 ...
14
votes
5answers
4k views
Can I use my APS-C kit lens as a reference for choosing between 50mm or 35mm prime lenses?
I'm looking at getting a second lens in addition to my Nikon D7000's kit lens.
I want to know if it's possible to use my 18m-105mm kit lens to get an idea of the focal length for a 35mm lens vs. a 50 ...
28
votes
4answers
5k views
What is “angle of view” in photography?
I read on the Lens Buying Guide @ neocamera:
Focal-length determines the angle-of-view seen through a lens for a
given sensor-size. With a full-frame sensor a lens gives the same
angle-of-view ...
3
votes
3answers
352 views
Is the kit lens focal length specified for APS-C or FF?
I have the 18-55mm kit lens for my Canon 50D and was wondering if they're still specified against full frame 1:1 crop? Would my 18mm actually be 1.6x?
I ask because I doubt anyone with a full frame ...
