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Stellarvue ET1 - 2" Extension Tube - 1.38" Long

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SV-ET1
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  • Regular price $29.00

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DESCRIPTION

Stellarvue ET1 - 2" Extension Tube - 1.38" Long

Short 2-Inch compression ring extension tube provides 35 mm (1.38-inch) of additional focus travel to the rear.

 

SPECIFICATIONS

ManufacturerStellarvue
Warranty2 Year Warranty

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D
08/17/2007
Dave

Bad design

The 2 insert piece that you insert this into have a safety ridge in order to catch in case it slips out for any reason. Problem is, recessed part doesn't go all the way to body of the tube and the set screws used to tighten this to your scope will possibly hit right where the ridge is and it slips. Workaround is to add a 2 parfocal ring if you already have one of these. I got my 2 parfocal rings from ScopeStuff. I'm thinking of having a machine shop turn the rest of the recessed piece.