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Old 04-05-2011, 02:13 PM
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steve000 (Steve)
just a bit obsessed

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Location: Brisbane, Australia
Posts: 466
Mto-11ca

Have a look at this beast!

1000mm catadioptric camera lens

http://www.rugift.com/photocameras/mto_11_ca_lens.htm

reasonably cheap 2.

do want!
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  #2  
Old 04-05-2011, 06:39 PM
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bojan
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Location: Mt Waverley, VIC
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I have it (well, mine is MTO-1100A,, very similar and from the same manufacturer, see here).
It is good, but not excellent.... good price/performance ratio, this is for sure.

http://www.iceinspace.com.au/forum/s...ad.php?t=35180
http://www.iceinspace.com.au/forum/s...ad.php?t=36606
http://whitemouse.ru/photo/hardware/mto1000.wmb
http://www.zenitcamera.com/archive/lenses/mto-1000.html

Some pictures taken with this lens:
http://www.iceinspace.com.au/forum/s...&highlight=MTO

You may also wish to google for "russentonne"..the website below is especially useful.
http://www.strickling.net/russentonne.htm

Last edited by bojan; 04-05-2011 at 09:16 PM.
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Old 04-05-2011, 10:54 PM
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steve000 (Steve)
just a bit obsessed

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Posts: 466
haha well there ya go! here am thinking ive stumbled across this obscure thing.

Looking at your posts it seems a pity about the construction, such a great and innovative idea ruined by dodgy construction.

I noticed as the posts go on you modified it to produce some decent results, thats good but still you would think from day 1 it would be good.

I wonder if telescope makers would ever consider a remake of these but using better techniques of todays modern scopes.

I know there is still lots of research going into catadioptric optics. I was reading some where someone was making some cata optics the size of a human eye lense to allow optical zooms on mobile cameras etc with a future potential for implants to allow people to zoom their own eyes!

anyway interesting technology. maybe 1 day id get one if not for the practicability of the device but more for the interest and innovation of a 1m focal length in a tiny package similar to what 3 and 400mm lenses come in.
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