A moment of silence for the seven lost early this morning on the space shuttle Columbia. What a shock to read about it as Iogged on the first thing on...
... Dear Mr. Bill, First of all, Roy Bishop's reasoning for bino performance is that while the total photons gathered depends on the square of aperture, the...
... aperture ... index ... that ... transmittivity, ... as ... Hi Milt My first comment is directed at the assumption that the background sky tends to brighten...
... <bfaatz@a...> wrote: Hi Bill, Regarding your question ... It wasn't Mr. Adler, but rather Roy Bishop in his binoculars section of the 'Observer's handbook'...
Posting this from another list for your help. I'll repost any answers, Thanks in advance ... Date: Fri, 31 Jan 2003 18:04:40 -0000 From: "Diego Guerrero...
Hi Diego, Your question ... Is timely because we have been discussing this subject in a recent thread. Please read the posts entitled Adler's "Aperture Index"...
I had my first chance to use the Canon IS 18 x 50 under a semi-dark sky last night, in between tending to my 12.5" f5 Portaball. Skies were not the clearest I...
The one downside of the Canon-IS 18 x 50's would be their slightly narrow field. Has anyone ever found it useful to supplement a narrower field binocular,...
Hi Alan, Congratulations on your new Canon 18x50's. I hope you will enjoy them as much as I have mine - I just had them out the other night and knocked off a...
I have the Canon-IS 15 x 50's. Most nights I also take out and enjoy an inexpensive pair of 8 x 40's . mike g ... narrow ... field ... degree 8x42 or ... one...
It's good to see someone else using Astrocards with binoculars. They are a perfect match made even better with the Astrocard lighter. Brian ... next few ... ...
Alan, This Astrocard (I don't know what that is) lighter (I don't know what that
is), is it some kind of match you use to light the card so you can see it...
... degree 8x42 or ... one 8x42 ... field, i.e., ... Alan, Both the Eagle Raptor 8x42 and either the Swift Audubon 8.5x44 or 8.5x44 ED are excellent wide field...
Someone seemed unfamiliar with the Astrocards, which I have just acquired. Rather than explain them much myself, see Alison St. Claire's illustration and brief...
Sunday evening, 2/2/2003 Fujinon 16x70 binoculars Southern California desert Drove out to my darksky site east of town in late afternoon. Was surprised to find...
Can't wait to compare notes with you as I will be receiving my pair of Fujinon 16X70's on Wednesday. I have not taken this purchase lightly and have given it...
Hello group, I have had my Canon IS 18x50 binoculars for about a month now. I bought them after discussing the pros and cons with this group. They do exactly...
Deep-sky observers: I'm writing a couple of articles for the next edition of The Deep Sky (the quarterly journal of the National Deep Sky Observers Society). ...
Some of you may find an original post by Ed Zarenski in the Astro Binoculars Forum on AstroMart quite interesting. In that original post Ed compared the...
Has anyone had experience with the Steiner 20x80 I've been seeing on *-bay lately? ... __________________________________________________ Do you Yahoo!? Yahoo!...
... I am not sure at what price the Steiner 20X80s are been offered on E bay. The last time I checked the Steiner Senators for selling for about $900 from NYC...
In a message dated 2/4/03 6:03:02 AM Pacific Standard Time, ... Thank your for the input, particularly on the Raptors. In effect, for astronomical purposes,...
This is the first time I have heard of Astrocards. I have recommended that my group take a look at these and I think I might be ordering them to share with...
Orion Giant 20x80mm binoculars $300.00 3 Feb-10-03 13:17:30 PST Link should be clickable to go to EBay and look. I own a pair of these myself and am not...
Finally I was able to observe C/2002 V1. My star-hopping remains rusty, so, at first, I was looking on the north side of the "horses neck" in Pegasus, then...
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