William Optics Swan wide angle 15mm


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Brand and Model:William Optics Swan wide angle 15mm
Price ($USD):$78.00
Type:Ultra Wide Angle
Focal Length:9 mm
Barrel Size:1.25
Apparent FOV:72.0 degrees
Field Stop Dia.:0.0 mm
Eye Relief:12 mm
Elements:5
Weight (lbs):
Description:

Vote Highlights Vote
William Optics Swan wide angle 15mm
Good performance on my 75mm f/16 Unitron, Saturn looks good at 80X, good performance also on my ETX90, bad performance on my Megrez 80mm achromatic, the nagler 13mm shows no aberrations in this same scope.
I think this is a good eyepiece for slow scopes, but for $70 I would recomend a Televue Plosl, the FOV of 72º is Ok for centering objects but nothing will be on focus outside the interior 50º.
Not a recomended eyepiece.

Overall Rating: 8
Optics:8 Value:8
Weight: 5 (Veritable Vote)
Date:
By: Anonymous (xxx.xxx.20.4)
Link to this vote: http://www.excelsis.com/1.0/displayvote.php?voteid=565596

>Good performance on my 75mm f/16 Unitron, Saturn looks  good at 80X, good performance  also on  my ETX90, bad performance on my Megrez 80mm achromatic, the nagler 13mm shows no aberrations in this same scope.
>I think this is a good eyepiece for slow scopes, but for $70 I would recomend a Televue Plosl, the FOV of  72º is Ok for centering objects but nothing will be on focus outside the interior 50º.
>Not a recomended eyepiece.

La gama SWAN es muy recomendable para refractores de F6 en adelante.
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