Aperture Shutter ISO Chart Guide Pin

A handy reference for photographers. A handy guide to key exposure settings, this large pin is crafted from gold-plated brass and enamel. A genuinely useful guide, this could be attached to a camera bag or strap. The pin is secured with three gold-plated butterfly clasps and is perfect for photography beginners and pros alike. 

Measures 7.7 x 7.6 x 0.15cm