2016年10月12日 · I had 2 double full sets of Fuji othos, and compared them vs ZAO IIs on 10" dob approx 2 years ago, and really I could not see any difference optically between them on Jupiter, Saturn, globulars and nebulas. Excellent performers for low money for sure!

2021年4月18日 · The Tak and Fuji orthos are parfocal with each other. It is more correct to say that neither range is parfocal with itself, so minor focusing is required. I have EPs from both ranges, which I like, because it helps me better identify the EP in the dark.

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.

「FUJIYAMA HD-OR」 の高度な製作技術による全面マルチコーティングとコバ塗処理により、ハイコントラスでよりハイシャープネス、入射光に対して最大限の透過率と極めてナチュラルな色再現を実現。 4/5/6/7/9/12.5/18/25mmからお選び頂ける幅広いラインナップ、それぞれのアイピースは同焦点設計であり、溝なしの31.7mm径クロームメッキスリーブを採用。 一般に市 …

2021年4月18日 · Ultra sharp and very comfortable viewing with generous eye-relief. If you also add a simple 1,5" long extension tube between the 5X Powermate and eyepiece, the 5X Powermate will then yield a full 6.2X, and so you'd also effectively gain a …

Kokusai Kohki has released their final Fujiyama HD-OR eyepiece lineup, featuring high-quality Japanese craftsmanship. Available in 4, 5, 7, and 12.5 mm focal lengths, these eyepieces offer multicoated optics, edge-blackened lenses, and solid construction for bright, sharp views.

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, giving them extended light throughput, and brighter images overall, as compared to our previous OR eyepiece lineup.

Solid construction, bright, clean and sharp views throughout a fully corrected 42 degree FOV, with sharp field stops, makes the Fujiyamas perfect for every type of viewing, and are also an exellent match with high end apochromats for hard core planetary, lunar, solar and double star viewing.

2016年8月13日 · These seem very similar to the Astro Hutech orthoscopics and I'm pretty sure are also marketed as University Optics. Kokusai Kohki astro goods. The 7mm is high quality and has no safety undercut or eyeguard. Shown here compared to the AH 6mm. The similarity to the Astro Hutech range is quite apparent.

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.