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Hi

I have a Skywatcher Newtonian telescope ( D:200, f:1000) The other day I noticed that the 'O' ring which was attached to the finder scope had broken.  After a bit of digging around, I obtained what I believe is the correct size replacement ( 1.5 mm thickness, 52mm internal diameter).  However, I can't see how it attaches to the finder scope !  Can anyone offer some guidance ?  Many thanks in advance.

Andrew

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20 minutes ago, Andrew Bennett said:

Hi

I have a Skywatcher Newtonian telescope ( D:200, f:1000) The other day I noticed that the 'O' ring which was attached to the finder scope had broken.  After a bit of digging around, I obtained what I believe is the correct size replacement ( 1.5 mm thickness, 52mm internal diameter).  However, I can't see how it attaches to the finder scope !  Can anyone offer some guidance ?  Many thanks in advance.

Andrew

There is usually a groove which runs around the finderscope that the O ring sits it, then you just push the finder into the bracket.

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This may help a little...

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