Hi all, I have a pair of Celestron 25x100 that need to be expertly collimated. One side is so badly off that I think the prism may actually be loose. I need...
I agree with this recommendation. Cory Suddarth is the contact. Suddarth Optical Repair Servicing Optics since 1975 Cory Suddarth Navy Opticalman Military -...
His email is: binofixer@... Suddarth Optical Repair Henrietta, OK. Cory Suddarth,OM Remy A. Bosio Secretary Pontchartrain Astronomy Society,Inc. Kenner...
Your experiences with the "optical repair" facility remind me of my own. A prism came loose in a nice Japanese spotting scope I own. I opened the scope up and...
Late last year I added a file named "Binocular Light Loss.xls" to the Files folder. This afternoon I deleted that file but replaced it with another one named...
Dear all, I got my 88s 2 days ago. Initial impression is that the fit and finish is good, except for 2 small paint scratches (or lack of coating ?) at the...
Hi All: As an old ATM and former professional optician I decided to join this group. I had to part with my old 12 inch Dobsonian and have switched to binos. I...
I have just been informed that my time off is cancelled until further notice. A co-worker will be having an emergency surgery, and will not be returning to...
... <snip> Ah cool, I'll need to check the thrift stores more often. Welcome to the group, I'm new to this group as well. I have concluded that a good way to...
I am a new member , caved in and ordered the asto vue 20x100 with narrowband flip filters and alum case for 299 bucks. I am excited to see if they work well ....
One thing that all astronomers need for their equipment whether it be a large or small telescope or a pair of large (non-handholdable) binoculars is a good...
Hi All: I've been using http://www.hawastsoc.org/deepsky/index.html as my free online atlas. Does anyone know of any other good ones? P.S. - My cheap ($40.00)...
Hi All: My 25x70 Berkuts are too strong for hand holding. The exit pupile works out to 2.8 mm, and I am thinking of replacing the eyepieces with some lower...
cheap optics: I use Cartes du Ciel (cdc) from: http://www.stargazing.net/astropc/ Although this one takes alot of time and effort to learn, it is the best free...
... The ability to hand hold binoculars varies greatly from person to person. It also depends if you are using binos with your elbows supported or completely...
This is a corrected version of a method I wrote to calculate focal length in binoculars. The original version of the formula did not take into account the...
Hi Edz: Not *all* binoculars are "Fast Achromats." The binos that Thomas Back carries around have Thomas Back-designed Triplet Apochromatic systems. You can...
Good morning Don, Yeh, I know. Even my f 6.2 Oberwerk BT100 are triplets. However all the calculations remain the same. Unless of course, you want to talk...
... with ... look ... size) ... The new Canon 12x36 IS II's are the most powerfull binoculars that you can handhold for extended periods IMHO. I use a Unimount...
Hello everyone, I am new to this group, I am an avid binocular astronomer and will no doubt frequent this forum. Id like to announce a star party sposored by...
Charles, Are pictures of your mount(s) posted somewhere on the internet? If not, how about posting a few views in this groups "home" on Yahoo? Sam -- Sam...
... Thanks, My youngest daughter, wife, and 2 dogs escaped New Orleans about noon on Tuesday. It took us 2.5 hours to go the first 30 miles. Our total trip...