Description
This is a very good low power/wide field eyepiece for capturing galaxy pairs and galaxy clusters, viewing emission and reflection nebulas in their entirety, etc. You can use the calculator below to see how wide a field it will give you with your particular scope. It has a rubber grip ring for comfortable use in cold weather.
It provides a big 7.1mm exit pupil with an f/4.5 Dobsonian reflector for rich field scanning of the Milky Way star clouds in Sagittarius from a dark sky site. As the eyes of some observers may no longer be able to dilate to a full 7mm, however, this eyepiece could potentially waste some of the light-gathering capability of a fast focal ratio scope. Thought should be given to matching its exit pupil size to your eyesight before purchasing if you have a fast focal ratio scope, unless you are content to give up some light gathering in exchange for a wider view of the universe.
This is an excellent choice to replace the so-so 26mm eyepiece that comes with many moderately-priced scopes, not only to improve the edge-to-edge sharpness, but to give a wider and brighter field of view, as well. Excellent eye relief for unvignetted viewing for eyeglass wearers.
Tech Details:
| Barrel Size | 1.25″ |
|---|---|
| Eye Relief | 18mm |
| Field of view | 50 |
| Focal Length | 32mm |
| Number of optical elements | 4 |
| Weight | 7 oz |
| Warranty | Limited Lifetime |
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