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Old 22-01-2015, 12:02 AM
raymo
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raymo is offline
 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
Most of that type of scope don't allow the removal of the inbuilt barlow
because they are crimped in place. The barlow doesn't stop you using
a conventional collimating tool, or a film canister.
raymo
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