The wide-aperture tag has no wiki summary.
4
votes
5answers
490 views
What reduces blur from camera movement more: large aperture or image stabilisation?
In the reviews of lenses with image stabilisation systems there are quite often written the quality of its performance represented by the number of f-stops (2-4 f-stops).
As far as I understand, it ...
6
votes
1answer
370 views
Why does wide angle lens adapter + large aperture make images blurry?
I have a kit 18-55mm lens on my Canon. I also have a .45 wide-angle lens that I use on the kit lens. The results are fairly sharp.
When I try to use the .45 wide-angle lens on the 50mm @ f/1.4, it ...
2
votes
3answers
339 views
Better 10-22mm lens for Canon
The famous Canon 10-22mm lens is quite well-built. The image is sharp near the corners, and it has a fast auto-focus system.
But unfortunately, it's aperture is relatively narrow...
Would there be ...
3
votes
5answers
2k views
In what kind of scenes does it make sense to use f/1.4 aperture?
I have been told that it is difficult to focus with an aperture of f/1.4.
So, in which kind of scenes does it actually make sense to use the f/1.4?
In portraits they say that it is important to keep ...
11
votes
4answers
814 views
Is overall light gathering of a lens only dependant on aperture?
My impression is that the aperture value of a lens determines its light gathering ability, but I'm not sure I understand how it works...
When considering light gathering in telescopes, it is ...
10
votes
8answers
2k views
Will using a lens at max aperture (“wide open”) result in poor images?
I’m looking to add a second lens to my kit lens I got with my Nikon d7000.
I have read several reviews on both the 35 and 50 mm lenses made by Nikon in particular that said using either lens at the ...
21
votes
6answers
2k views
For sports photography, should I use image stabilization or a faster lens?
For sports, I know that a faster lens would usually be considered more important than image stabilization, but what if, after selecting your shutter speed, your camera is picking apertures that don't ...
9
votes
3answers
370 views
Are fast lenses only fast when shot wide open?
Given two lenses with different max apertures but the same size image circle (say, full frame on a Nikon FX DLSR camera) and taking shots at the exact shutter speed and focal length under the same ...
6
votes
4answers
3k views
Which lens is sharper? The Sigma 18-50mm f2.8 or the Tamron 17-50mm f2.8?
Specifically:
Sigma 18-50mm f/2.8 EX DC Macro (not the previous non-macro version. HSM is only on Nikon fit)
Vs.
Tamron 17-50mm f2.8 SP XR Di II LD VC Lens (not the cheaper one without vibration ...
