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Aperture is the opening in the diaphragm of a camera lens. For questions relating to Apple's photo management software, please use [apple-aperture] instead.
4
votes
What is the fastest lens available for a DSLR?
As far as I know, the fastest lens (that is actually availabe) is currently the leica 50mm f/0.95
http://en.leica-camera.com/photography/m_system/lenses/5915.html
30
votes
Accepted
Does a bigger aperture create better photos?
Much more versatility, because more light falls on the sensor at a wide aperture, which opens up your options in lower-light settings.
Better image quality. …
1
vote
How to calculate f-stop and ISO equivalents for a Lomography Spinner 360°?
The terminology in the review is pretty horrible but my understanding is:
the camera in question has 2 aperture settings (sunny and cloudy) which provide an exposure value that is roughly equivalent to … Essentially, this is what you have to work with:
Shutter Speeds
variable (estimated between 1/125 and 1/250)
Aperture
Two settings (estimated to be f/16 and f/8)
Film Speed (ISO)
uses standard 35mm …
9
votes
Recommendation for a budget fixed focal lens
The Nikkor 50mm f/1.8 is certainly going to be a great option, and is well within your price range.
There are several other options, such as the NIKKOR 85mm f/1.8, but with a $200 max you're quite li …
6
votes
What are some tips for shooting in low light?
The 1.8 aperture makes a huge difference in low light. …