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
Last checked for updates: Oct 31, 2026 17:43 UTC
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.
LatestUpdate has tracked 4 versions of Sigma BF Body Cap Lens firmware, released between June 26, 2025 and February 19, 2026.
Version 1.04 - February 19, 2026: ・Added support for 1x magnification via double-tap during single image playback. ・Fixed other minor issues and improved operational stability.
Version 1.03 - November 11, 2025: ・Fixed a bug in Firmware Ver.1.02・Improved operational stability during writing. ・Improved HDR (High Dynamic Range) display quality for JPEG images captured wi…
Version 1.02 - October 23, 2025: ・Fixed a bug in Firmware Ver.1.02・Improved operational stability during writing. ・Improved HDR (High Dynamic Range) display quality for JPEG images captured wi…
Version 1.01 - June 26, 2025: ・Fixed a bug in Firmware Ver.1.02・Improved operational stability during writing. ・Improved HDR (High Dynamic Range) display quality for JPEG images captured wi…
Update prediction
This product has not received a firmware update in a long time and may be discontinued.
Sigma typically releases firmware updates for this product approximately every 87 days.
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. It was originally released on January 1, 2013.
What is the latest firmware version of Sigma BF Body Cap Lens?
The latest firmware version of Sigma BF Body Cap Lens is 1.04. It was released on February 19, 2026.
What changed in Sigma BF Body Cap Lens firmware version 1.04?
Sigma BF Body Cap Lens firmware version 1.04 includes the following changes: ・Added support for 1x magnification via double-tap during single image playback. ・Fixed other minor issues and improved operational stability.
Where can I download the latest Sigma BF Body Cap Lens firmware?
Details and download instructions for the latest Sigma BF Body Cap Lens firmware (version 1.04) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/bf/
How often does Sigma release firmware updates for Sigma BF Body Cap Lens?
We have tracked 4 firmware versions of Sigma BF Body Cap Lens. Based on historical patterns, updates are released approximately every 87 days.
Has Sigma BF Body Cap Lens been discontinued?
Sigma BF Body Cap Lens has not received a firmware update in a long time and may be discontinued. However, some products resume updates after extended periods.
Is Sigma BF Body Cap Lens still receiving firmware updates?
Yes, Sigma BF Body Cap Lens received a firmware update within the last year. The most recent version is 1.04.