Linhof right angle viewfinder brand_Shen Hao The 360-degree rotating back is

The 360-degree rotating back is a bail-arm design for easier film holder insertion and removal

and the self timer is not a great loss

8 lens for FD mount (new FD version)

8 lens round out the package- plus

Lensmate advises against using this with an X100F

Linhof right angle viewfinder brand_Shen Hao The 360-degree rotating back isThis Linhof right angle viewfinder is a lightweight two piece unit that clips right into a Technika's back, replacing the swing out door. It can be used in landscape or horizontal mode or remove the eyepiece unit to use it as a solid sunhood. In very good condition, with minor cosmetic wear, including a few light specks of dirt on the mirror.