Solar Filter Position

Hi All,

I was just wondering about solar filters, should they be fitted to the scope with or without the dew shield?



Graham

Graham --

Shouldn't make any difference for a white-light (mylar or glass) filter. Put it wherever it fits most snugly.

For interference filters, tilting them changes the bandwidth. So it's better if a h-alpha filter gets attached either to a fixed (ie: non-sliding) dew shield or directly to the lens-cell.

-- Jeff.

BTW, however you attach it, make sure it can't fall off. Also, make sure you've got something to cover the finderscope.

Cheers,
-- Jeff

Thanks for the info Jeff!

The smaller the cheaper so will prob measure without the dew shield , I was going to just stick some of the sheet filter stuff on the finder scope.

Thanks again,

Graham