The last of the fused silica 20mm substrates https://zambutomirrors.com/zambutoopticalco.html

Just testing the e-mail address...... -Scott Kranz

Just a heads up: a few members will get some old messages re-appearing in their email. We are repairing some of the missing in-line images that did not migrate correctly. The original poster will prob

I just received this from David Cheng who has a 10" F/4 quartz mirror. He lives in Hong Kong. This is such nice work I had to post it. CZ I captured a Jupiter RGB shot last month with a 2.7x Barlow an

We've come a long way in seventeen years since this group began. I would like to celebrate by uploading two images of a 22 inch diameter F/4 quartz mirror we just finished. These images are taken with

Alan Agrawal wrote on Nov 3, 2019:

Folks, We are in the process of moving this group to a new host at Groups.io. We hope to transfer all members, messages, photos, files, etc. over the next few weeks. Eventually you will receive an ema

What’s the plan for this group. Is there a new meeting ground? Tom

Folks, I had some discussion with Carl, and we are forming a plan to move the group (everything -- discussions, files, photos, etc.) to "groups.io" sometime in the next week or two. Many of the other

Hi All Thanks to everyone who has informed us on the yahoo changes. I am away at the moment, but will review when I get back. Thanks Con Stoitsis

FYI....forwarding this message in the hope that this might be an avenue worth looking at, for the preservation of this group... Thanks, Bob Mazzullo

In the summer of 2005, I took a telescope building class from John Dobson (in Monmouth Oregon). Under John's guidance, I ground and polished a 10" mirror. I never got the mirror coated, so my yard can

Dear Zambuto, Could you inform me if the video contained in the DVD that shows the final finish polish DVD-MPC-HC v1.4.2764.0 10-inch mirror with the movements and arm displacement as shown in the vid

I have acquired a Starstructure 12.5" telescope from a very good friend who has stated that it has a Zambuto mirror in it. I have known my friend for decades and he has never had a dispense for not be

I suppose once a year or more the namesake for this group could show up and say a few words. Life happens while we make other plans. Lots of stuff has changed in recent years. I'm no longer married, a

Joe, I would not worry too much about the time you have spent on this mirror. You are working under extreme conditions and very limited resources. Also, you are using a new technology that will take y

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the zambutomirrorgroup group. File : /Alexey Bobkov's files/11.75 inch mirror, 2016/Final

Has Mr. Zambuto made a video showing the polishing process of flat elliptical mirrors? Where can I find this information? thank you. Gobatto.

Hi all, A couple friends and I have been discussing some interesting issues regarding pitch laps. One uses dental plaster for his lap base, he likes it because he can pour it to the mirror's curve res

I'm having a really hard time finding a coating service, now that NOVA and OWL are basically out. Majestic is out, they only protect with SiO, and I'm trying to avoid Spectrum. I know Zambuto does it