Re: TEC APO 160 costs $12,000 ??

From: rander3127 (rander3127_at_rogers.com)
Date: 10/16/04 

Date: Fri, 15 Oct 2004 22:03:10 -0400

On Sat, 16 Oct 2004 01:04:24 GMT, "John Boudreau" <jeboud@comcast.net>
wrote:

>
>"Jeff Marsh" <jeffrey.marsh4@verizon.net> wrote in message
>news:50ed606.0410151558.73383802@posting.google.com...
>> TEC is taking orders for a 160 mm APO. But TEC's price structure is
>> now a bit odd:
>>
>> APO 140 = $4,600 (F/7)
>> APO 160 = $12,000 (F/8)
>> APO 200 = $15,999 (F/9)
>>
>> It takes an extra $7400 to go from 140mm to 160mm? Wow, that's a big
>> step for 20mm. And it seems that if you would spend that much for a
>> 160 then you would go ahead and spend another $3,999 to get a 200
>> instead. Is that the idea?
>
>
>That's because the APO 160 will have a fluorite center element, not the
>FPL-53 used in the APO 140 and most of the APO 200's. Originally, the APO
>160 was to use FPL-53 and would have cost $8000.
>
>Yuri announced this on the TEC Yahoo Group a few months ago.
>
>
>John

So does the extra $4000 account for the cost of the fluorite compared
to FPL-53 or is the fluorite that much harder to work?

Relevant Pages

  • TEC APO 160 costs $12,000 ??
    ... TEC is taking orders for a 160 mm APO. ... But TEC's price structure is ... now a bit odd: ...
    (sci.astro.amateur)
  • Re: TEC APO 160 costs $12,000 ??
    ... >> TEC is taking orders for a 160 mm APO. ... But TEC's price structure is ... The scope was announced as $8000 originally ... That's what I like about apo makers. ...
    (sci.astro.amateur)
  • Re: spotting scope question-specific
    ... If you find a used apo scope ... in your price range, don't hold out for something more modern. ... Not much of the cost of a good lens, let alone a scope, is in the glass. ... Fluorite is a mineral, calcium fluoride. ...
    (rec.birds)
  • Re: spotting scope question-specific
    ... Takahashi has used fluorite, the original ... If you want to make an apo using three glasses, ... Any three glasses will not make an APO. ... (ED glass can make a very flat parabola, so that even though the quality of the chromatic aberration is that of a doublet, the degree of color can rival a apo. ...
    (rec.birds)
  • Re: TEC APO 160 costs $12,000 ??
    ... I think Yuri is underpricing these scopes. ... The Tec 200 is the finast scope I have ever looked through. ... I have the seeing that would make owning a 8" APO ... worth while. ...
    (sci.astro.amateur)