Tagged Questions
6
votes
1answer
353 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 ...
11
votes
3answers
2k views
What settings should I use to photograph aurora borealis with a wide angle f/4 lens?
I've tried my first night photography of the stars last week. Most articles I've seen were recommending a fast lens, fully opened, @ ISO 800 and about 20 - 30s exposure, etc. Unfortunately, my only ...
12
votes
2answers
1k views
Why do wide angle prime lenses have relatively small apertures?
I've noticed that many of the wide angle prime lenses (at least for Canon) have somewhat smaller apertures than their normal or telephoto counterparts. E.g. the regular Canon 24mm prime is f/2.8 while ...