Linked Questions
10 questions linked to/from What is the benefit of an internal focus lens?
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
13k 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
507 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
633 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
713 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
257 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
136 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 ...