Horseman 7x Loupe lens mount_Fuji X with no internal haze or

with no internal haze or fungus but a touch of that good ol’ Schneideritis at the element edges (it’s a flaw in the element rim coating- outside the optical path- that makes the blackened rim of the element look spotty)

US-made rig may be what you're looking for

Clean glass and excellent function- and that classic Takumar image quality

The Nikon TC-300 is a teleconverter designed for Nikkor lenses with focal lengths longer than 300mm

Horseman 7x Loupe lens mount_Fuji X with no internal haze orThis Horseman 7x loupe is designed for large format focusing screens or transparencies. Compact and high quality, with clear glass and smooth diopter function. A useful magnifier in excellent condition.