Takahashi TPL-9mm Plossl Eyepiece - 1.25"
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After rigorous analysis and testing of various types of eyepieces using premium telescopes, the engineers at Takahashi have determined that the Plossl design is the best.
The TPL series uses highly refractive, low-dispersion glass and has an optical design that allows for outstanding image quality, with chromatic aberration at the center about half that of the Abbe series and about two-thirds that of the LE series eyepieces.
The image quality is extremely sharp from the center of the field of view to about half of the field of view. Although the star image quality degrades out toward the periphery, it is of high quality for visual observation, allowing the observer to focus on the center of the field of view.
The entire lens surface is coated with a multilayer coating that transmits more than 99% across the entire visible light range and has a high-quality matte finish, which prevents stray light from entering the lens.
The eye relief is approximately 70% of the focal length, and the apparent field of view is 48°.
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Eyepiece Series | Takahashi TPL Series |
| Focal Length | 9mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 48° |
| Eye Relief (Designed) | Approx. 6.3mm |
| Coatings | Fully coated |
| Lens Elements | 4 |
| Lens Groups | 2 |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42mm x 60mm |
| End Caps | 2 |
| Rubber Eye Guard | Yes |
| Country of Manufacture | Japan |
| Hide Found a better Shipped Price on Frontend? | No |
After rigorous analysis and testing of various types of eyepieces using premium telescopes, the engineers at Takahashi have determined that the Plossl design is the best.
The TPL series uses highly refractive, low-dispersion glass and has an optical design that allows for outstanding image quality, with chromatic aberration at the center about half that of the Abbe series and about two-thirds that of the LE series eyepieces.
The image quality is extremely sharp from the center of the field of view to about half of the field of view. Although the star image quality degrades out toward the periphery, it is of high quality for visual observation, allowing the observer to focus on the center of the field of view.
The entire lens surface is coated with a multilayer coating that transmits more than 99% across the entire visible light range and has a high-quality matte finish, which prevents stray light from entering the lens.
The eye relief is approximately 70% of the focal length, and the apparent field of view is 48°.
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Eyepiece Series | Takahashi TPL Series |
| Focal Length | 9mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 48° |
| Eye Relief (Designed) | Approx. 6.3mm |
| Coatings | Fully coated |
| Lens Elements | 4 |
| Lens Groups | 2 |
| Barrel Type | Smooth sided |
| Protective Plastic Storage Container | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size | Agena 42mm x 60mm |
| End Caps | 2 |
| Rubber Eye Guard | Yes |
| Country of Manufacture | Japan |
| Hide Found a better Shipped Price on Frontend? | No |
Takahashi TPL-9mm Plossl Eyepiece - 1.25" # TKA00620