Gossen Digisix 2 brand_Paterson you can use this as

you can use this as a stills lens

Unless you want to do video

with slightly finicky body-mounted focusing and a shutter system that limited the types of lenses that could be produced

Canon Extension Tube M Set for FD and FL lenses

5 Tominon won't cover 4x5 at infinity- but it will cover up close (at 2:1 or higher magnifications)

Gossen Digisix 2 brand_Paterson you can use this asThe Gossen Digisix 2 is a tiny light meter deisgned for incident or reflective light measurement. Easy to read, with a clear LCD display for EV and a classic calculator dial to provide a variety of exposure choices at a glance. Other features include a clock, a timer, and because why not, a thermometer. Accurate readings, good function. Battery tray has a small segment missing which does not affect function or battery holding ability; the meter is