40mm Series 5000 2" Plössl

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Regular Price: $99.00

Special Price $69.95

Availability: More on the way

Used. Excellent condition. This is a very good low power/wide field 2" eyepiece for capturing galaxy clusters and viewing emission and reflection nebulas in their entirety with longer focal ratio reflectors, refractors, and catadioptric scopes . . .
Our Product #: M5P40U
Meade Product #: 7656
 

Product Description

This is a very good low power/wide field 2" eyepiece that's ideal for capturing galaxy clusters, viewing emission and reflection nebulas in their entirety, scanning large and faint nebula remnants such as the Veil, etc. You can use the calculator below to see how wide a field it will give you with your particular scope.

It provides a huge 8.9mm exit pupil with an f/4.5 Dobsonian reflector. As the eyes of most observers are unable to dilate to this size, this eyepiece will probably waste a good portion of the light-gathering capacity of a fast focal ratio scope. It is better suited to the longer focal ratios of refractors, Schmidt-Cassegrains, and Maksutov-Cassegrains than it is to reflectors with focal ratios shorter than f/6.

Its long eye relief means unvignetted viewing for those who must wear eyeglasses while observing due to astigmatism.

Tech Details

Barrel Size 2"
Eye Relief 26mm
Field of view 60
Focal Length 40mm
Number of optical elements 5

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