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Old 15-08-2006, 07:59 AM
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OneOfOne (Trevor)
Meteor & fossil collector

OneOfOne is offline
 
Join Date: Jul 2005
Location: Bentleigh
Posts: 1,386
My 200mm/F5 Newt gives tack sharp with an XW-10 to the edge. In a 250mm it could only get brighter! I think, as Steve mentioned, the 10 works well in an F4!
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