Our comprehensive listing of key specifications for mirrorless lenses

The quality of your astro images isn’t just down to your processing skills. Key is the relationship between your telescope’s optics, your camera’s imaging chip and your local atmospheric ‘seeing’ cond

An extraordinary ‘standard’ zoom lens

LENS TEST

Fast primes are my favourite type of lens, and I’m going to show you the cheap ones that are worth buying, says Jon Stapley

Angela Nicholson tests Kase’s first autofocus lens, a competitively priced short telephoto prime with a neat trick up its sleeve for filter users