The Long Perng 9mm Long Eye Relief 1.25-inch Eyepiece is a high-quality 1.25″ eyepiece, made up of 7 elements in 4 groups. It has an apparent field of view of 55° and an eye relief of 20mm, making it an excellent eyepiece for astronomers who wear glasses.
It is made from anodised CNC aluminium, finished in high gloss black, making it a robust and solid feeling eyepiece.
Specifications: Long Perng 9mm LER eyepiece
| Model | E9L-A |
| Focal length | 9mm |
| Eye relief | 20mm |
| Apparent FOV | 55° |
| Lens construction | 7 elements in 4 groups |
| Material | Aluminium and rubber armour |
| Weight | 0.2kg |
| Barrel | 1.25″ with filter thread |
$145.00
2 in stock
$145.00
2 in stock
The Long Perng 9mm Long Eye Relief 1.25-inch Eyepiece is a high-quality 1.25″ eyepiece, made up of 7 elements in 4 groups. It has an apparent field of view of 55° and an eye relief of 20mm, making it an excellent eyepiece for astronomers who wear glasses.
It is made from anodised CNC aluminium, finished in high gloss black, making it a robust and solid feeling eyepiece.
Specifications: Long Perng 9mm LER eyepiece
| Model | E9L-A |
| Focal length | 9mm |
| Eye relief | 20mm |
| Apparent FOV | 55° |
| Lens construction | 7 elements in 4 groups |
| Material | Aluminium and rubber armour |
| Weight | 0.2kg |
| Barrel | 1.25″ with filter thread |
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