Nikon Speedlight SB-17 medium format This is a genuine Hasselblad

This is a genuine Hasselblad linear polarizing filter for lenses with 93mm filter threads

I'm pretty sure they're not coming apart

or any other lens with a 67mm filter thread (there's nothing here that's specific to the ETR other than the branding)

8 lens is a nice

4x focal length boost

Nikon Speedlight SB-17 medium format This is a genuine HasselbladThe Nikon Speedlight SB 17 is a compact flash designed for use on the Nikon F3 camera only: its shoe is the proprietary over the rewind style which won't fit on any other camera. In good cosmetic condition, with some wear from use and handling; function is excellent. Remember, this flash is for the F3 only.