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What orthos are currently available?

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#26 Dave Ittner

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Posted 23 November 2012 - 04:21 PM

The gentleman who makes the KK volcano top Orthoscopics is retiring. He is now in his late 80's. Just imagine how he feels for having brought excellent eyepieces to the masses for so long. He must feel REAL good.


Let's hope he has had an apprentice for quite some time.

#27 Mark Harry

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Posted 24 November 2012 - 11:06 AM

I used a 9mm UO ortho to snag 8 stars in the Trap with an 8" F/6 Newt. Sharpness of these eyepieces is amazing. I hope someone takes up the business to keep the supply going.
M. (none of mine are for sale)

#28 Keith

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Posted 25 November 2012 - 01:41 AM

<--- idiot here sold his antares and UO mixed flat top set for a song... DOH :foreheadslap: :bawling:

hopefully I will get a second chance on some used VTs, but I doubt I will get any shorter than 9mm, would rather swap barlows with a 12.5mm, 18mm, or maybe a 9mm, than have to deal with the tiny lenses on the 5 and 6, even the 7 was very tight, I could only imagine how much of a pain the 4mm is (which was not offered in the flat tops when I was building the set). Still, an excellent view despite being narrow. I should have kept them...

#29 dscarpa

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Posted 25 November 2012 - 01:38 PM

I was just on OPT's site and they have double rewards to Dec. 2 in honor of Black Friday. At any rate I was hoping they would do so during the Holidays so I'm going to swing for the 18 Kasai Ortho HC when they open 2 hours from now. It just doesn't feel right not having a Ortho in my collection. I'll report back on performance and build quality. I've got a Voyager used with a IM-715 and WO ZS-110. The slomo should make tracking with a 42* not an issue. I'm just down the road from OPT so it will be here the next day. David

#30 dscarpa

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Posted 26 November 2012 - 08:08 PM

I ordered the 18mm Kasai HC when OPT opened Monday. Later that day I was on OPT's site and the 18 HC was listed as back ordered with the 12 still in stock. I'm glad I pulled the trigger before someone else did. David

#31 dlapoint

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Posted 26 November 2012 - 10:50 PM

I just ordered the 6 and 7mm volcano tops from uo. I hope they will be close to my 9mm hd

#32 Mariner@sg

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Posted 27 November 2012 - 12:09 AM

KK has ran out of 6,7 and 9mm orthos! 18mm low on stocks too!

#33 dscarpa

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Posted 28 November 2012 - 11:07 AM

I got my 18 Kasai HC ortho yesterday! It's very well made, rather heavy for it's size and came in a little green box just like my 2X Parks APO barlow's. The top cap which is the same as the one that's on the eyepiece that came with my 80mm Lumicon Super Finder barely stayed on. I used some strips of electrical tape around the innner edge of the cap and it's nice and tight now. I've done the same thing with my 24 Pan and 18 Meade UWA and the tape stays on well long term. On the plus side of the ledger-at least for me-there is NO UNDERCUT on the long barrel! Sadly last night was cloudy and the next few look to be the same. I'm going to use the Kasai in a 5X Powermate with my WO ZS-110 first for 215X-225X on the Moon and Jupiter. It will be interesting to see how the image compares to my 17.3 Delos. David

#34 dlapoint

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Posted 29 November 2012 - 05:02 AM

do u havea link for the 18?

#35 dscarpa

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Posted 29 November 2012 - 10:17 AM

Nope, I just looked on OPT's web site. At any rate you might want to hold off on pulling the trigger on a 18 Kasai HC. I had some semi clear skies last night and did a first light alone and barlowed. A strange optical abberation showed up when barlowed. I'm going to do a post on the subject in the hope that someone has an idea about what's causing it. David

#36 dlapoint

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Posted 29 November 2012 - 05:43 PM

Thats not good news. I just purchased a bgo 7mm second hand. I hope I have better luck.

#37 mgwhittle

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Posted 29 November 2012 - 05:54 PM

Thats not good news. I just purchased a bgo 7mm second hand. I hope I have better luck.


The BGO 7mm is excellent, you will love it......or just send it to me if you don't! :grin:

#38 dscarpa

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Posted 29 November 2012 - 08:42 PM

I wouldn't worry about having the spot on axis when barlowing used BGOs or UO hds. I think the problem is Kasai's having issues with bringing BGOs back from the dead. I told OPT they might want to give Hutech a heads up and I'm going to do the same. It would be a shame if Kasai can't pull this off. There's always the BCOs, reports have been positive and they're a fair bit less expensive. I looked for the spot during daytime and there it was. David

#39 Mariner@sg

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Posted 30 November 2012 - 07:46 AM

According to Barry from KK, Circle-T orthos will be ending production soon. 18mm just ran out as well :(

#40 mgwhittle

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Posted 30 November 2012 - 12:00 PM

It appears Kasai Trading has removed the HC orthos from their home page. Very disappointing.

#41 keroppilee

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Posted 30 November 2012 - 03:15 PM

bleh i want an ortho now but cant swing for one at the moment

#42 5u4

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Posted 30 November 2012 - 03:43 PM

Was thinking about springing for that 12mm Kasai Ortho at OPT, glad I didn't. They look exactly like the BGO / UO HD, but maybe they're not equal in image quality?

#43 dscarpa

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Posted 30 November 2012 - 03:51 PM

The image quality of the 18 Kasai looked good. It was the spot when barlowing that was the issue. David

#44 johnnyha

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Posted 30 November 2012 - 06:43 PM

According to Barry from KK, Circle-T orthos will be ending production soon. 18mm just ran out as well :(

Holy cow! They have been making those for decades! I guess the gentleman who makes them is retiring or so I hear. Glad I got my 9, 12.5, 18 and 25mm bino pairs a few months ago, they are excellent little eyepieces.

#45 dlapoint

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Posted 30 November 2012 - 11:17 PM

It would be nice if a company like ES would pick these up. They fit with the ES business modle of high quality, low price.

#46 Mariner@sg

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Posted 06 December 2012 - 08:46 PM

Well, it's official. The surge in demand has pushed Tani-san to retire early, bringing the curtain down on Circle-T orthos.

#47 gmussman

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Posted 06 December 2012 - 09:32 PM

Nothing to add except man, do i really love my new University optics 4mm ortho

#48 Dave Ittner

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Posted 06 December 2012 - 11:07 PM

ditto ... but these are virgin.

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#49 Jaimo!

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Posted 07 December 2012 - 12:46 AM

These also are circle 'T':

Posted Image

Jaimo!

#50 moynihan

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Posted 08 December 2012 - 08:46 AM

Nothing to add except man, do i really love my new University optics 4mm ortho


:grin:






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