Nikon Reflex-Nikkor 500mm f8 brand_Schneider-Kreuznach the front cut will prevent

the front cut will prevent the self timer from being used

This is definitely an old-school DIY camera

An infrared film with sensitivity up to 820nm

Comes with original boxes and strap

Nikon Reflex-Nikkor 500mm f8 brand_Schneider-Kreuznach the front cut will preventNikon Reflex Nikkor 500mm f8 is a reflex telephoto lens for Nikon F mount. Right off the top, mirror lenses have a few "downsides": they don't have an adjustable aperture, and out of focus highlights can take on a donut like appearance. This lens includes a pair of rear mounted ND filters to help moderate exposures, so that's at least some help for the first issue; as for the donuts, well, you may just have to learn to like the donuts. The upside is