Linked Questions

10
votes
4answers
3k views

Do I need other camera lenses if I have an 18-200mm or other super-zoom?

I wanted to ask that once you have purchased a lens of say 18-200mm, then is it required to purchase other lenses — say 24-70mm, 24-105mm, 18-105mm, 28-135mm,etc. Does 18-200mm lens satisfy all the ...
25
votes
2answers
1k views

Considerations when purchasing a prime lens?

What should I be aware of when buying a prime lens (other than that it will fit my camera)? What specs should I pay close attention to?
3
votes
2answers
14k views

Difference between zoom and focal length? [duplicate]

Until now I thought that focal length is just another way of measuring how much a lens zooms: The higher the number the more it magnifies, the smaller the number the wider the angle and thus the less ...
4
votes
4answers
4k views

What are the pros and cons of using macro rail vs lens focus?

I am interested in doing focus stacking for macro shots and from what I understand there are two techniques for doing this. One is to use a macro rail that adjusts the length to the subject (e.g ...
1
vote
1answer
11k views

What is the difference with ED and IF-ED lens?

I am confused with the difference between Nikon AF-S DX 55-200mm F/4-5.6G Telephoto Lens and Nikon 55-200mm f/4-5.6G AF-S VR DX IF-ED Telephoto Zoom Lens Can some one clarify me on this?? Thanks ...
8
votes
2answers
515 views

Do normal macro lenses suffer the same light reduction as tubes?

When stacking tubes to make a normal lens a macro lens, you have significant light lost due to the increased distance. Do normal macro lenses suffer the same fate? Why or why not?
4
votes
3answers
657 views

Why do macro lenses have such recessed front elements?

This is a 90mm Tamron SP Di macro lens. Like other macro lenses in this focal range I've seen, it has a deeply recessed front element — more than 1.5", and that's without the optional lens hood!...
0
votes
1answer
729 views

Canon 700d - lens does not move when focusing?

I have a canon 700d. I have seen other 700d's, and when they focus the lens automatically moves in and out. My one doesn't. Why would that be?
1
vote
3answers
266 views

Vertical chromatic aberration, fixable?

In this photograph, which is a 4-layer stack of just the central area, I left the front & back soft intentionally. It has quite a strong area of what I can only call 'vertical chromatic ...
2
votes
2answers
149 views

Are there any good resources that provides information about the focus breathing of various lenses?

Sites like DxOMark provides a lot of information about lenses but they generally don't provide any really usable information about the focus breathing protperties of the lenses. In fact I don't know a ...