I bought an extra one of these for modification into an erecting eyepiece, for converting Canon long telephoto lenses into spotting scopes (in particular, my 100-400mm).The project went exactly as planned, and resulted in a very useful eyepiece that fit snugly into the lens, eliminating the necessity of buying a spotting scope to match the optical quality of my 100-400mm, and eliminating a heavy spotting scope from having to be dragged along on birding trips..
List Price: : $7.00
New Price : $5.27 ( 10 )
Used Price : $1.99 ( 2 )
update price on 2009-12-08
resource : http://bestdigitalslr.info - Best Digital SLR
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