E. Leitz New York SL filter for Summarit brand_Cinestill The RF mode is a

The RF mode is a magnified image of the rangefinder only- basically an optical version of the Live View zoom mode on newer mirrorless cameras that makes accurate focusing easy

8 is a compact standard lens for the M42 thread mount

The Astron 35mm f3

And despite the name

It can be used as a slightly-long normal lens on a full-frame or film camera

E. Leitz New York SL filter for Summarit brand_Cinestill The RF mode is aE. Leitz New York SL skylight filter for the 50mm f1. 5 Summarit lens. Please note that this filter uses a nonstandard 41mm thread: when they say it's for the Summarit, they mean it. In excellent condition, with clean glass and original box (the box is pretty rough)