| helpwanted |
| (Carpal Tunnel) |
| 08/28/08 11:17 PM |
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Re: Prism Diagonal
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nice article... makes me wonder about non-ED's, like the Orion 100mm f6... good old fashioned achro.
how would the prism help one of these?
thanks,
david
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nice article... makes me wonder about non-ED's, like the Orion 100mm f6... good old fashioned achro. how would the prism help one of these? thanks, david |