Sigma APO Teleconverter 1.4X EX DG for Nikon F pentax adapter This original brass lens is

This original brass lens is manufactured by C

Compatible with Canon RF-mount lenses (not included)

1971 was 50 years ago

with light finish wear and approximately 2000 actuations

The 40mm focal length makes it a versatile all-purpose prime

Sigma APO Teleconverter 1.4X EX DG for Nikon F pentax adapter This original brass lens isThe Sigma APO Teleconverter 1. 4X EX DG for Nikon F mount is a good quality, compact teleconverter for use with many (but not all!) Sigma F mount zoom lenses. It may also work with other brands, but we can't guarantee it. Please check your lens instruction manual for compatibility: this is not a universal teleconverter and it won't work with everything. In excellent condition, with clean glass and good function.