Kasai Trading Co. 1.25" AstroPlan Eyepiece - 7.5mm
Availability: Item has been discontinued by the manufacturer
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Closeout - All Sales Final
The Kasai Astroplan eyepieces are excellent all-round eyepieces, especially for the discerning lunar or planetary observer. They combine the crisp definition of orthoscopic eyepieces with good field correction over a larger 50-deg apparent field of view. While these are good performers even at shorter focal ratios, they really come into their own with sharp, crisp, contrasty views in long focal ratio scopes.
Superior lens polishing with multi-coating on all internal air-glass surfaces (so these are FMC), a modern 5 element design, edge blackened optics, engraved lettering, end caps, and standard filter threaded barrels attest to the excellent craftsmanship of these Japanese eyepieces. The body of the eyepiece is made from strong, lightweight aluminum and features a knurled rubber ring, while the 1.25" barrel is made from chrome-plated brass.
These optical characteristics coupled with their small size make these Kasai AstroPlan eyepieces perfect for visual observation (especially in binoviewers) as well for afocal projection photography.
| Product Banner Type | discontinued |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Eyepiece Series | AstroPlan |
| Focal Length | 7.5mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 50° |
| Eye Relief (Designed) | 6.4mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 5 |
| Lens Groups | 3 |
| Blackened Lens Edges | Yes |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42x60mm |
| Height (Without Eyeguard) | 40.1mm |
| Maximum Width | 36.2mm |
| End Caps | 2 |
| Eye Lens Diameter | 7.9mm |
| Rubber Eye Guard | No |
| Weight | 2.5oz (71g) |
| Country of Manufacture | Japan |
| Hide Found a better Shipped Price on Frontend? | No |
Closeout - All Sales Final
The Kasai Astroplan eyepieces are excellent all-round eyepieces, especially for the discerning lunar or planetary observer. They combine the crisp definition of orthoscopic eyepieces with good field correction over a larger 50-deg apparent field of view. While these are good performers even at shorter focal ratios, they really come into their own with sharp, crisp, contrasty views in long focal ratio scopes.
Superior lens polishing with multi-coating on all internal air-glass surfaces (so these are FMC), a modern 5 element design, edge blackened optics, engraved lettering, end caps, and standard filter threaded barrels attest to the excellent craftsmanship of these Japanese eyepieces. The body of the eyepiece is made from strong, lightweight aluminum and features a knurled rubber ring, while the 1.25" barrel is made from chrome-plated brass.
These optical characteristics coupled with their small size make these Kasai AstroPlan eyepieces perfect for visual observation (especially in binoviewers) as well for afocal projection photography.
| Product Banner Type | discontinued |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Eyepiece Series | AstroPlan |
| Focal Length | 7.5mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 50° |
| Eye Relief (Designed) | 6.4mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 5 |
| Lens Groups | 3 |
| Blackened Lens Edges | Yes |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42x60mm |
| Height (Without Eyeguard) | 40.1mm |
| Maximum Width | 36.2mm |
| End Caps | 2 |
| Eye Lens Diameter | 7.9mm |
| Rubber Eye Guard | No |
| Weight | 2.5oz (71g) |
| Country of Manufacture | Japan |
| Hide Found a better Shipped Price on Frontend? | No |