TMB Paragon 40mm

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Brand and Model:	TMB Paragon 40mm
Price ($USD):	$250
Type:	Orthoscopic
Focal Length:	40 mm
Barrel Size:	2
Apparent FOV:	69.0 degrees
Field Stop Dia.:	45.7 mm
Eye Relief:	16 mm
Elements:	6
Weight (lbs):	1.09
Description:	40mm widefield orthoscopic eyepiece. 69 degree afov, 68 degree true field of view. Six elements in four groups. Designed by Thomas M. Back

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TMB Paragon 40mm

This is an interesting eyepiece, filling a niche between the premium priced widefields that are better corrected for use in fast telescopes (f/6 and faster) and the many inexpensive offerings that try to offer low power, widefield views, but often fail. I use my 40mm Paragon mostly as a finder eyepiece for DSO's and to get full views of the moon. I enjoy using it in both my f/6.9 80mm refractor and my f/8 6" reflector. The views are sharp, except for the last 5-10% of the FOV. In these telescopes it is probably the best low power eyepiece. Of course when I get my fast dob I will start saving for a parachorr and some naglers.

Overall Rating: 9
Optics:9 Value:9
Weight: 10 (Trustworthy Vote)
Date: 05/20/2008 06:44:54 am PST
By: mte1955
Link to this vote: http://excelsis.com/1.0/displayvote.php?voteid=577319

Reply Replies: 0

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