The Sigma BF Body Cap Lens is an ultra-compact 30mm F8 pancake lens for Sigma SA mount that serves as both a lens and a body cap for Sigma SLR cameras. It uses a fixed aperture and manual focus mechanism in a minimalist design for casual everyday shooting. This accessory lens is unique to Sigma's product lineup.
Product released: January 1, 2013
Latest firmware version
Version 1.04, released February 19, 2026
What's new in version 1.04
・Added support for 1x magnification via double-tap during single image playback. ・Fixed other minor issues and improved operational stability.