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Fujinon Binoculars Nebula Filter Set

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Uncommon Fujinon binoculars "Nebula Filter" set as shown. From the image of the filters with their case and box in the Company 7 review it would appear these are in their original plastic case (not shown) but no box. Excellent condition, no apparent decay and little to no sign of cosmetic issues. 

Male thread diameter (peak to peak) is 33.92mm so your female threads should measure about 33.3 or very close to that. As I understand it you unscrew the rubber eyecup from the eyepieces to get at the female threads to attach these filters. There are matching female threads on the filter to re-attach the eyecup. 

These differ a bit from the appearance and specifications in the Company 7 article in that while the attaching thread diameter is the same the "Diameter of Element" is quite a bit larger at 26.05mm vs the 20.88mm (and the apparent rim/bezel difference) listed. 

There is a lot written on the internet, pro and con, about these, some finding them effective, some not. I suspect it depends a lot on the objective size of the binocluars and the seeing conditions. Internet discussion suggests using just one of these filters rather than two enhances the experience. The Company 7 article shows a box with a sticker on it that lists the binoculars they fit. 

$115 shipped via USPS Small Box Priority to a USA address, PayPal preferred ("Goods or Services" only please) but not required, I'll pay the fee. 

Tom Duncan