Orion Optiluxe 50mm


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Brand and Model:Orion Optiluxe 50mm
Price ($USD):$129.00
Type:Plossl
Focal Length:50 mm mm
Barrel Size:2 in.
Apparent FOV:45.0 degrees
Field Stop Dia.:0.0 mm
Eye Relief:37 mm
Elements:5
Weight (lbs):
Description:These affordable, fully multi-coated 2" eyepieces put the night sky in stunning perspective. Their long focal lengths render picturesque scenes of extended deep-space objects framed in a generously wide panorama of stars.

Optiluxe 2" eyepieces are fully multi-coated to ensure maximum light transmission. The 50mm is a modified Plössl design of five glass lens elements with a 45° apparent field, while the 32mm and 40mm are four-element wide field designs with apparent fields of 58° and 62°, respectively. Manufactured in Japan, all feature precision-machined and anodized aluminum housings with chrome-plated, internally blackened 2" barrels. The barrels now have a captive setscrew recess and are threaded for filters. Each sports a rubber traction ring for good grip. For use in 2" focusers or diagonals. The deep sky has never looked better!


Orion Optiluxe™ 2" FMC Deep-Sky Eyepieces Page

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Orion Optiluxe 50mm
Use it a lot in the observatorys nine inch f/8 APO. Has good edge sharpness but do make an eye cup as it helps with the black out affect that most 50mm eyepieces have. I've seen no kidney bean affect at all, from f/6.3 to f/12.
Over all, a very good low power eyepiece that well worth the money.

Overall Rating: 9
Optics:9 Value:9
Weight: 1 (Unreliable Vote)
Date:
By: Anonymous (xxx.xxx.169.42)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=126582


Orion Optiluxe 50mm
Well made with good views but the kidney beaning is hard to take for very long. It does give that "walking in space" effect but again, eye placement is critical and difficult to hold. There is no eyeguard to help position the eye.

Overall Rating: 7
Weight: 1 (Unreliable Vote)
Date:
By: Anonymous (xxx.xxx.189.89)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=44115


Orion Optiluxe 50mm
Contrary to the preceding review, there is no kidney bean effect that I can detect with this eyepiece (with an f/10 Schmidt-Cassegrain). ANY low-power, long-focal length eyepiece will give problems with a central obstruction if you try it out in the daytime, because the pupils of your eyes are smaller than the exit pupil of the telescope and may even be smaller than the shadow of the central obstruction. These eyepieces are for use at night with eyes fully dilated.

Like any other 50mm eyepiece, this one has lots of eye relief. Most users will probably want to make an eyecup; I made a retractable one out of dark foam rubber, wrapped around the eyepiece and glued edge to edge.

Overall Rating: No Vote
Weight: <none>
Date:
By: Anonymous (xxx.xxx.248.185)
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=44116

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