I started off the month with a bit of a disaster – managing to drop my camera and trusty 24-105mm lens, which resulted in this:
[Potential disaster strikes on 2nd May. Ouch!]
I can’t stress enough the benefits of having a UV or skylight filter on the front of your expensive lenses – in the end, this [...]
[Click the post title to read more...]
I took a long, critical look the other day at some of the photos I’d recently taken with my Canon 17-85mm lens [left]. It’s built for digital and as such, can’t be used on any 35mm or full-frame censor CCD cameras (such as Canon’s 5D – not that I have one!).
[Click the post title to read more...]
Background
You might have heard some lenses described as “wide angle” or “telephoto”. This article should help you get to grips with different types of lenses and what they do.
Theory
With a 35mm film camera, a 50mm lens is called a “standard” lens because it shows the same angle of view and perspective as the human eye. It’s focal length is said to be 50mm. Using one of these lenses, you will see objects in the correct size and relationship to each other. Other lens types are:
[Click the post title to read more...]
Background
What is meant when referring to the “aperture” (or f-numbers) of a lens?
Photographic lenses contain an iris, made up of solid vanes, built in a similar pattern to those on the left. The vanes can move in and out, thus making the central hole larger or smaller – and so letting more or less light through the lens. This is what’s called the aperture, and is a guide to the speed of the lens.
[Click the post title to read more...]
