Andy Stansfield - Sigma Lenses - The Expanded Guide

This new volume from Ammonite Press in the
Expanded Guide series is a 232-page guide on
the extensive range of lenses provided by
leading independent manufacturer Sigma.
Packed with information, this indispensible
guide looks at every current lens and will help
you to invest your money wisely when
purchasing that next lens.

Ammonite Press is an imprint of GMC
Publishing and the author acts as a Consultant
to both on all matters relating to Canon
cameras and related accessories. He has also
been commissioned by Ammonite Press to
write and illustrate other books in the
Expanded Guide series covering the EOS 40D,
EOS 50D, EOS 5D Mk II, EOS 1000D, EOS 500D,
EOS 7D, PowerShot G11, EOS Software for
Windows, and a guide to Canon's DSLR system
since the turn of the millenium.