GSO 2" Kellner Eyepiece - 40mm # GSK40
Contiguous US Customers:
All items we sell ship for free within the Contiguous US. Shipping will be via the cheapest shipping method which will vary depending on the items in your order. During checkout, you may also be shown other optional faster shipping choices.
US Customers in Hawaii and Alaska:
Free shipping applies to almost all products. A few large telescopes and mounts are excluded from this free shipping offer. For these items, please contact us to obtain a shipping quote before you check out using the online shopping cart.
International Customers:
Free shipping does not apply to international orders. During check-out, you will be presented with several shipping choices and costs. However, the export of some items may be restricted outside the US due to size or manufacturer restrictions.
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)!
Quick Overview
- 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
Product Details
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.
