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| Improved Kellner
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by David Ryle on June 10, 2001 17:28:43 UTC |
The RKE(TM) design is an improved Kellner. They provide wider FOV and better corrected images, while maintaining the good price. The key is the apparant field of view. It is good at 45° and eye relief is good also at nearly 87% of the focal length. |
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