Independent lens maker Sigma has revealed a pair of fisheye lenses designed to be suitable for both film and digital SLRs.

First up is a 15mm f/2.8 EX DG Diagonal Fisheye. Priced around £450 features include a minimum focusing distance of 15cm, minimum aperture of f/22 and a maximum magnification of 1:3.8.

Sigma has also released an 8mm f/4 EX DG Circular Fisheye boasting a minimum aperture of f/32 and an angle of view of 180º when attached to a full-frame digital or 35mm film-based SLR, claims Sigma The 8mm lens costs £579.88.

Both optics include a multi-layer lens coating designed to reduce flare and ghosting. They are available in Sigma, Canon, Nikon, Pentax and Konica Minolta fits.

For details call Sigma Imaging (UK) Ltd on 01707 329999.