Axer 0.5x Wide Angle lens for 67mm thread series 7 This is a round metal

This is a round metal hood designed for the Nikon F 50mm f1

This lens is in excellent condition

with clean optics and excellent function

Interchangeable focusing screens for Olympus 35mm SLRs

Axer 0.5x Wide Angle lens for 67mm thread series 7 This is a round metalThis is a screw on 0. 5x converter for lenses with a 67mm front thread. This converter screws into the front of your existing lens: it's not a stand alone item. Like pretty much all of these sort of converters, the quality is decent but not exceptional. Best used on cameras without interchangeable lenses, or if you're looking for a softer look with some colour fringing (it's a little bit Holga). Despite the baffling markings, this lens is neither "HD"