Availability Update (09/01/18): We have procured the last batch of some remaining focal lengths from our Japanese supplier that we are now offering for sale. Quantities are very limited, so if you see a Fujiyama ortho you want, you may want to snap it up. There is talk of another production run of these eyepieces in the near future, but nothing's confirmed yet. If a specific focal length in this series is listed as out of stock on our site, then we do not have it, nor will be get it again until the next production run.
Product Details
Kokusai Kohki continues the tradition of offering the highest quality Japanese made Orthoscopic eyepieces with the introduction of their brand new FUJIYAMA HD-OR eyepiece lineup. Fujiyama HD-ORs are hand crafted at their Tokyo factory and individually inspected before shipping.
Named after the Japanese name for that sky reaching symbol of Japan - Mt. Fuji - the FUJIYAMA HD-ORs come standard with multicoatings on all air to glass surfaces (cemented lens surfaces are uncoated), giving them extended light throughput, and brighter images overall, as compared to Kokusai Kohki's previous volcano-top OR eyepiece lineup. And all lenses are edge blackened to reduce internal light scatter and reflections to an absolute minimum.
The entire Fujiyama lineup is parfocal, accepts standard 1.25" astronomy filters, and comes with plastic eyepiece caps. The chrome barrels of the Fujiyama HD-ORs are smooth-sided, and they have removed the helpful, but also often annoying, safety groove.
Solid construction, bright, clean and sharp views throughout a fully corrected 42 degree AFOV with sharp field stops makes the Fujiyamas perfect for every type of viewing. They are also an exellent match with high end apochromats for hard core planetary, lunar, solar and double star viewing.
Each eyepiece carries a one year Kokusai Kohki parts and labor warranty.
| Eyepiece Series | Abbe Orthoscopic |
|---|---|
| Focal Length | 9mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 42° |
| Eye Relief (Designed) | 7.6mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Multi-Coated |
| Lens Elements | 4 |
| Lens Groups | 2 |
| Blackened Lens Edges | Yes |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 37x60mm |
| Optical Design | Abbe Orthoscopic |
| Height (Without Eyeguard) | 1.75" (44.5mm) |
| Maximum Width | 1.34" (34.0mm) |
| End Caps | 2 |
| Eye Lens Diameter | 0.33" (8.3mm) |
| Field Stop Diameter | 6.3mm |
| Parfocal | Yes |
| Weight | X oz (Xg) To be updated |
| Country of Manufacture | Japan |
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