Synta 6'' f8 refractors. Quick question.

[Doley68]

I understand that some models of these scopes have collimatable lens cells and others don't.

Are the cells of the same diameter so the standard dew shields can fit both types?

Said it was quick!

Thanks all.

[John]

I've owned both types but not at the same time. I strongly suspect that they are the same size though. I can measure the dew shield on my collimatable Skywatcher 150 F/8 if that would help.

[Doley68]

I've owned both types but not at the same time. I strongly suspect that they are the same size though. I can measure the dew shield on my collimatable Skywatcher 150 F/8 if that would help.

Thanks John. That would be a great help.

[John]

OK, the inside diameter of mine is ~164mm. This excludes the thin felt strips that ensure a snug fit on the lens cell. Hope that helps.

[Doley68]

OK, the inside diameter of mine is ~164mm. This excludes the thin felt strips that ensure a snug fit on the lens cell. Hope that helps.

That is exactly what the shield on my non collimatable model measures. That answers that then!

Thanks John.

Chris.