Articles & Blog posts tagged: Fast lens
Canon s90 quirks
It takes time to become comfortable using the s90. For me, it’s worth the effort. However, the quirks may be enough to dissuade some from buying the camera.
Tamron 28-75mm f2.8 lens
The Tamron 28-75mm f2.8 lens has a lot going for it: fast, lightweight, sharp and relatively inexpensive. Here’s why I’m not going to buying it.
DSLR lens uses
Guide to DSLR lenses you may need. Some interchangeable lenses are more suitable for certain subjects than others.
DSLR teleconverter
A teleconverter increases the focal length of an interchangeable lens, but it also reduces the effective aperture size, magnifies aberration created by the main lens and may interfere with autofocus.
Interchangeable lens quality
You don’t have to buy an expensive interchangeable lens to get decent image quality. Expensive lenses, while very expensive and often heavy, are as good as lenses get…and they will cost.
F-stops
F-stop refers to a quantity taking into account aperture and focal length. This articles describes how to calculate the effect of f-stops.
DSLR lens basics
It isn’t necessary to spend a lot of money for a lens that will satisfy most photographers coming from a compact camera to a point and shoot. But…