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Equipment Discussions >> Eyepieces

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desertlens
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Reged: 12/06/10

Loc: 36N 105W
Brandon Standouts?
      #6031045 - 08/17/13 02:04 PM

I'm generally aware of the characteristics of the Brandon design and its execution by Vernonscope but wonder if any are particularly good. I'm considering a 24mm flat top at the moment but that could change. Thanks for your input.

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urassner
sage
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Reged: 07/08/12

Re: Brandon Standouts? new [Re: desertlens]
      #6031065 - 08/17/13 02:13 PM

Hi Craig, I just got my volcano top Brandons (24, 16 and 12 mm) a few days ago and have only gotten a couple nights in under less than ideal conditions. Image quality was excellent in all of them. The 24 and 16 had enough eye relief to use them with my glasses on, the 12 mm not quite.
Just posted about it here.
Ulrich


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desertlens
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Re: Brandon Standouts? new [Re: urassner]
      #6031104 - 08/17/13 02:31 PM

Thanks Ulrich. I saw your post/photos. They look beautiful... and simple. The latter is my mantra these days.

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Sean Cunneen
Let Me Think
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Reged: 08/01/07

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Re: Brandon Standouts? new [Re: desertlens]
      #6031207 - 08/17/13 03:24 PM

I think the 24 is very special. The 8 isn't so bad either...

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Jeff Morgan
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Re: Brandon Standouts? new [Re: desertlens]
      #6031420 - 08/17/13 05:31 PM

My vote would be for the 24. It barlows wonderfully too. A better presentation than the 10 Delos. That's saying a lot coming from a Delos fan.

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MRNUTTY
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Reged: 11/22/11

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Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6031448 - 08/17/13 05:50 PM

hmm.. Ilke the all. I have the quad turret and can only fit 4 out of 5 of the 1.5 inch ones. So I have the other probem; which am I willing to do without... often it's the 24 so I can get the 32 in for widest field. interesting, maybe I need to mix it up more.

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johnnyha
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Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6031455 - 08/17/13 05:54 PM Attachment (21 downloads)

The 24mm is 53 degrees, so fairly wide for a planetary and the largest AFOV of the Brandon line. As said they barlow really well, I use mine with a 2.5X Powermate. The 24mm flattops make beautiful binoviewer pairs.

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desertlens
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Re: Brandon Standouts? new [Re: johnnyha]
      #6031554 - 08/17/13 06:53 PM

Thanks all. This is helpful input. Would the 24mm play well with a conventional Barlow (TV 2x) or would you recommend the Powermate (or 2.4x Dakin)? I'm working on building a "simple set", perhaps 2 EPs and a Barlow. My experience with longer FLs and Barlows has not been very good.

Edited by desertlens (08/18/13 02:24 AM)


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Mak2007
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Reged: 06/24/07

Re: Brandon Standouts? new [Re: desertlens]
      #6031629 - 08/17/13 07:38 PM

Quote:

I'm generally aware of the characteristics of the Brandon design and its execution by Vernonscope but wonder if any are particularly good. I'm considering a 24mm flat top at the moment but that could change. Thanks for your input.




You need to try it. It depends on your telescope. Brandons are insuperable in long focal telescopes. I usually read and learn here, I don't like to comment. But let me tell you my own experience: I did compare in my ETX-125 (f/15) a 16mm Nagler Type 6 and a 16mm old Brandon, volcano top. The difference was huge in favor of the Brandon. The Nagler was very good with a wide field, but it has noticeable pincushion. The Brandon doesn't show pincushion, and the view was more pleasant to my eye, and with more contrast. I had no doubts: I sold the 16T6 Nagler and my 24mm Panoptic, and replaced with Brandons (16, 24 and 32).


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Jeff Morgan
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Re: Brandon Standouts? new [Re: MRNUTTY]
      #6031871 - 08/17/13 10:25 PM

Quote:

hmm.. Ilke the all. I have the quad turret and can only fit 4 out of 5 of the 1.5 inch ones. So I have the other probem; which am I willing to do without... often it's the 24 so I can get the 32 in for widest field. interesting, maybe I need to mix it up more.




If I had to do without one ... probably the 6 for eye relief as I can barlow a longer one.

Thankfully I don't have to do without one though

Side discussion - my 16 is definitely not parfocal with the rest. Does anyone else see this?


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Jeff Morgan
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Re: Brandon Standouts? new [Re: desertlens]
      #6031873 - 08/17/13 10:27 PM

Quote:

Thanks all. This is helpful input. Would the 24mm play well with a conventional Barlow (TV 2x) or would you recommend the Powermate (or 2.4x Klee)? I'm working on building a "simple set", perhaps 2 EPs and a Barlow. My experience with longer FLs and Barlows has not been very good.




If it is a quality barlow I should think so. I'm using an AP Barcon (1.7x) and a Dakin (2.4x) with excellent results.


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Sarkikos
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Re: Brandon Standouts? new [Re: desertlens]
      #6032062 - 08/18/13 12:45 AM

I have the 6mm through 32mm Brandons. For planet viewing, I like the Brandon 6 and 8mm best monoviewed. The eye relief is not uncomfortable to me. I like pairs of the 12 and 16mm for binoviewing planets.

Mike


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Rick Woods
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Re: Brandon Standouts? new [Re: Sarkikos]
      #6032105 - 08/18/13 01:25 AM

I like them all; but if I had to pinpoint any, I'd go for the 6mm and the 48mm.

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Sarkikos
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Re: Brandon Standouts? new [Re: Rick Woods]
      #6032678 - 08/18/13 11:35 AM

I've avoided the 4mm and 48mm Brandons. The 4 is said to be a relative clunker, and the 48 has too long a focal length for any of my scopes.

Mike


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Jeff Morgan
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Re: Brandon Standouts? new [Re: Sarkikos]
      #6033069 - 08/18/13 03:23 PM

Quote:

The eye relief is not uncomfortable to me.




It's funny how one learns to live with it given some time and effort.

Of course, I still prefer longer - but I will no longer allow a reputation for short eye relief to automatically rule out an eyepiece.


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Sarkikos
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Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6033138 - 08/18/13 04:11 PM

Quote:

Quote:

The eye relief is not uncomfortable to me.




It's funny how one learns to live with it given some time and effort.




No, not at all. The eye relief on the Brandon 6 and 8 NEVER seemed uncomfortable to me. It does not matter how it seems to anyone else. This is something that each individual observer can only determine for themselves.

Quote:

Of course, I still prefer longer - but I will no longer allow a reputation for short eye relief to automatically rule out an eyepiece.




This is a good principle to live by. Sure, I had heard the horror stories about the tight eye relief of the 6 and 8. These stories made me reluctant to acquire them. By after I acquired and tried them for myself, I found that for me, they are not uncomfortable at all. Especially when fitted with shallow eye cups, I find them both pretty comfortable. I use them more often than the longer focal length Brandons. In fact, I hardly use the 24 and 32 at all.

Mike


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desertlens
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Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6033143 - 08/18/13 04:13 PM

I'm not troubled by short eye relief either but I don't need glasses to observe. I've been using a lot of Abbes lately and rarely think about it.

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Sarkikos
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Re: Brandon Standouts? new [Re: desertlens]
      #6033147 - 08/18/13 04:16 PM

I don't need glasses to observe through the telescope - only to read and to see the stars. But for convenience sake, I keep my glasses on as often as possible when I'm observing. Certainly for the Brandon 6 and 8 I need to take my glasses off. No big deal.

Mike


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Erik Bakker
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Reged: 08/10/06

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Re: Brandon Standouts? new [Re: desertlens]
      #6033226 - 08/18/13 05:07 PM

In my Questar 7, the 24 was superb. For higher mags, the 12 worked wonderfully. The 16 is perhaps a sweet spot in most scopes, depending on F.L. Never really enjoyed the 32mm, much preferred the 24 over that one. Would keep the scope slow though, f/12 or slower, but not faster than f/8.

If I could pick only 1, it would have to be the 24mm Brandon.


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vahe
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Reged: 08/27/05

Loc: Houston, Texas
Re: Brandon Standouts? new [Re: Erik Bakker]
      #6033242 - 08/18/13 05:20 PM

In my TEC 200/20 a pair of Brandon 24s with Zeiss viewer are simply stunning on Jupiter, In this combination the views are very similar to looking through an apo.
These flat top Brandons are the closest thing to my other planetary favorite with this Mak, the 25mm ZAO-Is.

Vahe


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Scott99
Carpal Tunnel
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Reged: 05/10/07

Loc: New England
Re: Brandon Standouts? new [Re: vahe]
      #6033778 - 08/18/13 11:29 PM

When I had a set of Brandons the 16 and the 24 were my favorites, I pretty much wussed out on the eye relief of the shorter ones, didn't want to deal with it, but they're just as good.

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Kevin Ellis
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Reged: 11/26/05

Loc: Danbury Essex England
Re: Brandon Standouts? new [Re: Scott99]
      #6034837 - 08/19/13 04:00 PM

I recently acquired a full set of Brandons for my long focus refractors including the 6mm & 48mm.

Before purchasing I did read some concerns about eye relief. Some were favouring Brandons with flat tops. I dont need glasses for viewing, so I ordered all of mine with the rubber eyecups as they can be unscrewed should you have a problem with eye relief. In addition, I ordered a few extra screw on eye cups without the rubber cup. The idea being that I could replace the screw on rubber eye cups with just the metal screw on insert. This then covers the threads on the top of the eyepiece making them almost flat tops. However, I have had no problem with eye relief, so the rubber eye cups have remained.

The 6mm and 48mm dont come with eye cups.


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GeneT
Ely Kid
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Reged: 11/07/08

Loc: South Texas
Re: Brandon Standouts? new [Re: desertlens]
      #6035354 - 08/19/13 08:41 PM

Several weeks ago, when Jupiter was up, I took out my newly purchased, used Brandon 8 to try with my 12.5 inch Portaball. I met up with a guy who had a 5 inch refractor (I forgot the brand) but it was one of the better ones. He was totally mesmerized by the view of Jupiter with the Brandon 8. On axis with my F5 Dob, I also appreciated the excellent views. The refractor guy kept coming back, and back, and back to get the Brandon and view.

I have only used a Brandon 8, but in my opinion, it is a mighty fine eyepiece. I am acquiring a small glass collection of a few eyepieces. However, I do prefer viewing with Delos and Ethos eyepieces in the majority of cases.


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Rick Woods
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Re: Brandon Standouts? new [Re: Sarkikos]
      #6035738 - 08/20/13 01:44 AM

Quote:

I've avoided the 4mm and 48mm Brandons. The 4 is said to be a relative clunker, and the 48 has too long a focal length for any of my scopes.

Mike




The 4mm would have been a disappointment if I hadn't been forewarned. I only got one to complete the set; but it's not particularly better than my old no-name 4mm ortho. The old Chester lenses were good, but they just weren't even close to Don Yeier standards. Don only put out the 4mm's because we all hollered for them once we found out he had the lenses. He actually sort of tried to talk me out of buying one! (But I'm glad I did.)

And I hear you about the 48mm. I'd have the same problem if I didn't use a SCT. (But I do use one, and WOW!)


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t.r.
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Loc: Upstate NY
Re: Brandon Standouts? new [Re: Rick Woods]
      #6035970 - 08/20/13 08:06 AM

That was the beauty of Don...he would tell you up front if they worked or not. He warned me of the performance or lack thereof, of the new 4mm release too, so I also avoided adding them to my Anniversary collection. I already had a Pentax 40XW too so the 48 was not justified. I even tried to get Don to make a 4&48mm Anniversay expansion set with the gold annodized coating...he said the cost of the short run wouldn't justify the price/performance ratio, even if I and others will willing to pay for it!!! I hope the new owners are as forthright about their product. Something tells me, they are.

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Jeff Morgan
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Re: Brandon Standouts? new [Re: Rick Woods]
      #6036252 - 08/20/13 11:05 AM

I wish we could have talked him into going forward with the 2" Brandon 36.

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desertlens
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Reged: 12/06/10

Loc: 36N 105W
Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6037152 - 08/20/13 07:05 PM

Thanks again to all who responded. It's clear from what I've seen here and elsewhere that it would be hard to go wrong with any of the Brandon line. I've ordered a 24mm flat top so I can see for myself.

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t.r.
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Re: Brandon Standouts? new [Re: desertlens]
      #6037901 - 08/21/13 08:58 AM

Wise choice...let us know what you think.

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Dr Morbius
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Re: Brandon Standouts? new [Re: t.r.]
      #6038541 - 08/21/13 03:12 PM

{I wish we could have talked him into going forward with the 2" Brandon 36} ...............

When I last saw Don I must have spent 25 - 30 minutes just talking about producing the 2 inch Brandon 36mm. He wouldn't even take a down payment - even with my wife next to me. It basically came down to how long would he have to sell 100 pieces and not tie up his money for a long period of time.


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t.r.
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Re: Brandon Standouts? new [Re: Dr Morbius]
      #6038630 - 08/21/13 03:56 PM

Quote:



When I last saw Don I must have spent 25 - 30 minutes just talking about producing the 2 inch Brandon 36mm. He wouldn't even take a down payment - even with my wife next to me. It basically came down to how long would he have to sell 100 pieces and not tie up his money for a long period of time.




Was she the downpayment?!?!


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Dr Morbius
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Re: Brandon Standouts? new [Re: t.r.]
      #6038643 - 08/21/13 04:01 PM

If you mean "was she the downpayment?" uhh, not really - I was trying to show that she was also willing (as well as I) to spend pretty big bucks for the eyepiece, not just a guy who says he wants it but when it comes time to pay up the wife says no!

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jrbarnett
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Re: Brandon Standouts? new [Re: desertlens]
      #6039422 - 08/22/13 12:43 AM

The 4mm Chester Brandon built is the only Brandon I've used that really wasn't very good. The 24mm has a wider AFOV than the rest, but suffers badly for it off axis in anything faster than ~f/8 making the extra FOV kind of an irrelevancy. My faves are the 48mm, 8mm and 16mm. But I wouldn't trade any of them, save maybe the 4mm, for any other simple eyepiece, ZAO IIs included.

Regards,

Jim


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desertlens
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Reged: 12/06/10

Loc: 36N 105W
Re: Brandon Standouts? new [Re: jrbarnett]
      #6040245 - 08/22/13 02:19 PM

Thanks Jim. I'll be working with the 24mm at 10+. I expected this of the extended AFoV. I just have a niche for this FL at the moment and wanted to step into the Brandon experience. For future reference... any comments on the 12mm?

Edit: BTW, thanks for the heads up on the $60 refractor. I have "joined the club" and am duly impressed.

Edited by desertlens (08/22/13 02:35 PM)


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jrbarnett
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Re: Brandon Standouts? new [Re: desertlens]
      #6040647 - 08/22/13 06:54 PM

Great about the 102GT!

The 12mm is fine and very typical of the other Brandons, save for the 24mm which has wider AFOV than the others. Brandons Barlow extremely well, too, and just a little bit of Barlow amplification tames off axis astigmatism in faster scopes. So if you go 24mm, you can always Barlow to get 12mm and address any astigmatism to boot.

Regards,

Jim


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desertlens
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Loc: 36N 105W
Re: Brandon Standouts? new [Re: jrbarnett]
      #6040707 - 08/22/13 07:44 PM

That's good news about the Barlow. As I mentioned earlier I'm building a "simple set" that could include a Barlow. I've just had bad experiences with the exit pupil moving around with long FL EPs. I'll give it a try. I have yet to spring for a Powermate.

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SteveG
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Re: Brandon Standouts? new [Re: desertlens]
      #6041892 - 08/23/13 01:27 PM

Quote:

That's good news about the Barlow. As I mentioned earlier I'm building a "simple set" that could include a Barlow. I've just had bad experiences with the exit pupil moving around with long FL EPs. I'll give it a try. I have yet to spring for a Powermate.




ES is now selling telecentric's at a much better price. They're getting great reviews on these forums. They call them "focal extenders" but they're the same as the Powermates.

http://www.explorescientific.com/focalextenders/


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desertlens
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Loc: 36N 105W
Re: Brandon Standouts? new [Re: SteveG]
      #6041928 - 08/23/13 01:56 PM

Thanks Steve. I'm considering that as well. The nose seems long and I would prefer it to fit fully into a 1.25" diagonal. I'm not sure the Televue will either.

Edited by desertlens (08/23/13 02:42 PM)


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ColoHank
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Reged: 06/07/07

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Re: Brandon Standouts? new [Re: desertlens]
      #6045977 - 08/25/13 09:05 PM

Love 'em all, but the 24 is my favorite. Views through it are immersive.

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desertlens
professor emeritus
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Reged: 12/06/10

Loc: 36N 105W
Re: Brandon Standouts? new [Re: ColoHank]
      #6046859 - 08/26/13 11:52 AM

...24mm flat top in hand... wonderfully simple and utilitarian... monsoon arrived simultaneously.

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Jeff Morgan
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Re: Brandon Standouts? new [Re: desertlens]
      #6046892 - 08/26/13 12:15 PM

Quote:

...24mm flat top in hand... wonderfully simple and utilitarian... monsoon arrived simultaneously.




Three, maybe four more weeks of monsoon. Why can't it happen in December and January?


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desertlens
professor emeritus
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Loc: 36N 105W
Re: Brandon Standouts? new [Re: Jeff Morgan]
      #6047068 - 08/26/13 02:12 PM

Quote:

Why can't it happen in December and January?




Then I'd have to shovel it. I'd be happy with one night or a decent sucker hole. This summer has been the worst in 5 years for observing. At any rate, I'm looking forward to the new Brandon. It looks to be a different experience.


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dscarpa
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Re: Brandon Standouts? new [Re: desertlens]
      #6047634 - 08/26/13 08:16 PM

I bought 24 eyecup and 16 flat top Brandons used mostly barlowed for lunar-planetary and HA. I'm very happy with them what with their excellent contrast, scatter control and sharpness. They are easy to use in and give great results with my barlow collection which is all the 1.25" TV barlows-Powermates and a Siebert 1.5X. I didn't get the shorter FLs partly because of their ER but mostly because the barlows give me those FLs. After getting a 5 XO a couple of weeks ago and finding it fairly easy to use during a 2.5 hr high humidity session I shall fear no ER! As to dewing-fogging up the Brandons aren't prone to it. David

Edited by dscarpa (08/26/13 08:34 PM)


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