Thorlabs Achromats doublets at DVinfo.net

Rich Hibner · November 1st, 2006, 11:44 AM

Which one of these would be the best achromat to get. What should I be lookin for? If you could compare one the century optics.

http://thorlabs.com/NewGroupPage11.c...0&Visual_ID=16 43
-Rh

Donnie Wagner · November 2nd, 2006, 12:37 PM

If you are using a 2" tube, you'll need the 50.8mm diameter size. The focal lengths they list only go as short as 250mm, which may not provide enough magnification. You can try Edmund Optics or it cheaper version, Anchor Optics for 50mm achromatic doublets that are between 75-125mm in focal lenght. Those should be about the right power of magnification.

November 1st, 2006, 11:44 AM	#1
Rich Hibner Major Player Join Date: Jan 2006 Posts: 218 Images: 1	Thorlabs Achromats doublets Which one of these would be the best achromat to get. What should I be lookin for? If you could compare one the century optics. http://thorlabs.com/NewGroupPage11.c...0&Visual_ID=16 43 -Rh

November 2nd, 2006, 12:37 PM	#2
Donnie Wagner Regular Crew Join Date: Dec 2004 Location: Pittsburgh, PA Posts: 135	If you are using a 2" tube, you'll need the 50.8mm diameter size. The focal lengths they list only go as short as 250mm, which may not provide enough magnification. You can try Edmund Optics or it cheaper version, Anchor Optics for 50mm achromatic doublets that are between 75-125mm in focal lenght. Those should be about the right power of magnification.