How do you attach a webcam to a finder (Skywatcher 9X50) ?

[vincentnm]

Hi All,

Just thought this would be really convenient. I dont have to get outside each time I want to find and centre something (I do this a lot). But i am confounded what kind of adapter to use. The webcam to 1.25" adapter is a bit too large. Any ideas?

Thanks,

Vincent.

[George]

I'm not aware of anything you can buy of the shelf other than the 1.25'' nosepiece, maybe a trip to your local B&Q plumbing dept and cobble something together

[ringz]

Hi Vincent,

I think your best bet will be to put the lens back onto the webcam and connect them together afocally. This will allow you to see the full field of view that you would see looking through the finder in the normal way.

The webcam is equivalent to a 5mm eyepiece so if you use it directly on the finder, the field of view will be rather limited.

--

Martyn.

[Milamber]

Remember though that, if the webcam is not modified for LE, you will very likely see nothing but black on your screen.

Arthur

[vincentnm]

Thanks for the pointers guys. Had not realised problems with small chip size and need for long exposure. My SPC900NC is modded for just B/W. Time to give astronomiser a call.

Btw, from another forum:

http://webcaddy.com.au/astro/adapter.htm

An assortment of webcam adapters.

Thanks,

Vincent.

[johninderby]

The only thing you might be able to do is to unscrew the original diagonal and replace it with a cheap 1.25" star diagonal (a cheap one should have the smaller thread that would fit the finder). The only problem I can see with this is if you couldn't get enough infocus.

Maybe someone could lend you one to try it out.

John