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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: BillP]
      #5622273 - 01/14/13 08:44 AM

Hello Bill,

we will build these TCR truss/semi tubed on any scope larger than 140mm and with F/8 and higher. To give you a few examples: Asteria TCR 180 F8 R35 SLIM, Asteria TCR 180 F12 R35 SLIM, Phoenix TCR 204-8, Asteria 204 F8 R35 SLIM, Asteria 204 F12 R35 SLIM and so on up to 250 F11 R35 model which has been ordered by one customer recently.
cheers,
Ales


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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: ATM57]
      #5622295 - 01/14/13 09:08 AM

You are absolutely correct. Thanks God that some of the guys with more open minds do realize these advantages even without looking thru one themselves. Only basic knowledge of optics or even just common sense is what one neeeds to make a sound decision. We will definitely show these in public and I cant wait for first customers so they can do this job for us.. on much bigger scale. I do not argue with any hard core disbelievers, I simply let the course of time and hands on experience to prove them wrong. I know one thing, this is definitely a step back to 1600 century design style.. People including most manufacturers will simply repeat one design over and over. The idea behind is: if it works why fix it.. well, I can not agree. Things can usually work better even if they "work well" now.. Franky, I would not go public with some weird design if I was not more than sure that it works at least as well as closed tube design... I know that I would be eaten alive if I did... have a great day, stay in touch. I wont be able to get on line much during my upcoming trip abroad. Due back in my office by end of February 2013,
cheers,
Ales


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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: BillP]
      #5626074 - 01/16/13 12:01 PM

Hello Bill,
we will produce these for CLASSIC ACHROMATS?
150 F12 (now produced)
150 F15
204 F/8,8
and for R30 and R35 special doublets
150 F12 R35 SLIM
180 F8 R30
180 F8 R35 SLIM
180 F12 R35 SLIM
204 F8 R35 SLIM
204 F12 R35 SLIM
220 F9 R35 SLIM (F-ratio MAY change on this one)
250 F11 R35

possibly APO Triplet 160 F12
that would be it for some time, but enough for anyone to choose the right one I believe,
cheers,
Ales


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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: johnnyha]
      #5626081 - 01/16/13 12:04 PM

Johny,
TCR scopes will have both front and rear dew shield style attachments, we have the design layed out, now sourcing for the right materials. So people can choose what works best for their own environment
cheers,
Ales


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zjc26138
Loved By All
*****

Reged: 02/24/05

Loc: Mingo Junction, Ohio
Re: Red Hot New Concept OTA's new [Re: ISTAR Optical]
      #5626202 - 01/16/13 01:26 PM

I want the TCR 180 F/8 R30. Gotta start saving now.

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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: zjc26138]
      #5627421 - 01/17/13 04:10 AM

We are designing these as we speak and lenses are also being done. We will have few sets of the original R30 doublets (about 40 percent heavier lens) but to off-set this, we will offer the finished OTAs in TCR construction with an appropriate discount. The new R35 SLIM doublets are now produced in following configurations
150 F5 R35 SLIM
150 F8 R35 SLIM
150 F12 R35 SLIM
180 F8 R35 SLIM
180 F12 R35 SLIM
204 F8 R35 SLIM
204 F12 R35 SLIM

we have an inquiry from one observatory/astronomy club for 230 F20 R35 SLIM, if there is anyone else interested, let me know. Producing two sets will be considerably less expensive than one single lens,
best regards,
Ales

Edited by ISTAR Optical (01/17/13 04:12 AM)


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ATM57
sage


Reged: 01/01/10

Loc: Tehachapi, CA
Re: Red Hot New Concept OTA's new [Re: zjc26138]
      #5628194 - 01/17/13 02:29 PM

Yeah, I'm looking at the 204 F/8.8. R30 or R35 SLIM would be a plus but funding would dictate the choice. They say dreams can come true

Edited by ATM57 (01/17/13 02:31 PM)


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swisswalter
Postmaster


Reged: 03/29/09

Loc: Eastern-Switzerland
Re: Red Hot New Concept OTA's [Re: ATM57]
      #5628464 - 01/17/13 04:56 PM

That would be my choice too

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ISTAR Optical
Vendor- IStar Optical
*****

Reged: 08/09/09

Loc: Page, Arizona
Re: Red Hot New Concept OTA's new [Re: BillP]
      #5646174 - 01/27/13 02:34 PM

Hello Bill,
here is list of scopes to be produced in TCR (combination of truss with baffles and enclosed tube with baffles at the focuser end) and all these will also be made with our all new and completely redesigned R35 SLIM (thin, low weight, better working version of 3 year old R30 doublets)

150mm F5
150mm F8
150mm F12
180mm F8
180mm F12
204mm F6 classic achromat
204 F8
204 F9 classic achromat
204 F12
220 F11
220 F15 classic achromat
250 F11

thank you again for asking and stay in touch,
cheers,
Ales


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