Availability: Item has been discontinued and is no longer available.
Website Special - FREE Agena plastic bolt case / storage container included with this eyepiece (a $6 value)!
- 2 inch 40mm Kellner eyepiece, 56 degree apparent field of view
- Fully multi-coated lenses, 3 lens elements, Blackened lens edges
- 20mm eye relief, fold-down rubber eyeguard
- Threaded for standard 2" astronomy filters
- Weight 10.5oz., Made in Taiwan
GSO's Kellner eyepieces offer an affordable foray into the world of widefield 2" eyepieces without breaking the bank. These are very good, 3-element, fully multi-coated eyepieces that provide very good flatness of field and eye relief. They feature rubber grips on the housing and foldable rubber eyeguards for comfortable handling and use. All eyepieces have blackened lens edges for improved contrast, and come with two end caps. GSO Kellner eyepieces are available in 3 focal lengths (26mm, 32mm and 40mm). Sold separately. Made in Taiwan.
|Barrel Size||2" (50.8mm)|
|Apparent Field of View (Mfg Specified)||56°|
|Eye Relief (Designed)||20mm|
|Filter Threads||Standard 2" Filter Thread (M48 x 0.75)|
|Blackened Lens Edges||Yes|
|Barrel Safety Recess||Yes|
|Barrel Type||With safety undercut|
|Protective Plastic Storage Container||Yes - Free Agena Eyepiece Container|
|Protective Plastic Storage Container Size||Agena 65x120mm|
|Height (With Eyeguard Extended)||5.0" (127mm)|
|Rubber Eye Guard||Yes|