Weasner's Pentax 35mm Astrophotography Page

ASTROPHOTOGRAPHY WITH THE PENTAX 35mm CAMERAS

Last updated: 3 August 2002

This page documents Pentax 35mm film camera models comments, tips, and photos. Search the site for "Pentax" for other items about the Pentax cameras. Also, see my Pentax Spotmatic page for info on using a Spotmatic. Contributions welcome.

Subject:	Attaching my camera to my ETX 70
Sent:	Thursday, August 1, 2002 6:55:09
From:	iannewey@phoenixpearson.com (Newey, Ian D.)
I have had a good look through this site and can't quite seem to find
anything that answers my question.

I have acquired a Pentax MX and want to attach it to my ETX 70. I THINK
I have figured out what accessories I need to get but I am not quite
sure how I can alter the magnification. Do I use the camera to telescope
adapter in conjunction with my eyepieces to alter magnification or do I
have to get a different set of lenses altogether. Any other info would
be greatly appreciated.

Many Thanks

Ian Newey

Mike here: See the Accessory Reviews - Astrophotography page. If the MX is a 35mm camera with a removable lens there are two types of adapters you can use: one for prime focus and one for eyepiece projection. At prime focus the telescope acts just like a telephoto lens (350mm for he ETX-70AT). You'll need the adapter for the ETX-70, not the one for the other ETX models. For eyepiece projection photography you'll need a different adapter. HOWEVER, it may or may not work, that is, reach a focus, with your camera. Since I don't have that camera I can't speak from experience. For more on astrophotography, see the Helpful Information -- Astrophotography page.

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