The Parks Gold Series 5 and 7 element eyepieces are designed with the latest optical technology and utilize the finest glass available. They offer reduced color fringing, wider field of view, less edge distortions, improved contrast, longer eye relief, and better light baffling than other designs. Barrel includes filter threads for industry-standard 1.25" filters. Made in Japan.
Oct 21, 2011
Accurate,Strong Construction,Compact,Easy to Use,Quality Lenses,LightweightCons: Comments:
I bought it like a gift for my husband. He loves GP Series and similars (Ultima, Elite and Ultrascopic - no more available). This eyepiece deliveres a image better than TV Plossl. TV Plossl is great eyepiece, of course, however GP has a 5 element and the shape of image is bit more flat than TV Ploss 40mm, and get a small exit pupil, great for F/5 and F/6 telescopes . It works well at any focal rate between F/5 and F/15 and works well until 20 degress of axis.
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|Apparent Field of View||49°|
|Barrel Size||1.25" (31.7mm)|
|Bolt Case Included||Discontinued Item|
|Bolt Case Size||Agena 52x80mm|
|Filter Threads||Standard 1.25" Filter Thread (M28.5 x 0.6)|
|Rubber Eye Guard||Yes (Winged)|
|Eyepiece Focal Length||30.1mm - 40mm|
|Eyepiece Field of View||Up to 50 degrees|
|Eyepiece Series||Parks Gold|
|Barrel Type||With safety undercut|