Nikon Reflex-Nikkor 500mm f8 lens mount_Bronica SQ so the sensor filter has

so the sensor filter has been pulled

it’s not really important when you consider that… what’s that

the interior of the bag (without the insert) measures 40 x 25 x 14cm

Not just for teeth

Nikon Reflex-Nikkor 500mm f8 lens mount_Bronica SQ so the sensor filter hasNikon 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