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Wavytone
30-04-2010, 09:04 AM
Refractoritis or optical porn...

200mm f/9 folded oil-spaced triplet for sale on AM....
http://www.astromart.com/classifieds/details.asp?classified_id=678320

cohiba
30-04-2010, 10:19 AM
I wonder what a reasonable price is ????

Omaroo
30-04-2010, 10:28 AM
Optical porn indeed... and mechanical. What an amazing looking instrument.

mithrandir
30-04-2010, 10:32 AM
Your idea of reasonable might not match theirs.

Steffen
30-04-2010, 11:12 AM
Oil-spaced triplet, eh? I wonder whether it needs oil changes once in a while… :lol:

Cheers
Steffen.

Inmykombi
30-04-2010, 05:39 PM
I am still wiping the "dribble" off my chin.
How about the OTA weight ....42 kilos whoah....

Nice :thumbsup:

bmitchell82
30-04-2010, 06:13 PM
NOM NOM NOM NOM NOM NOM..... :(:help:

Inmykombi
30-04-2010, 06:23 PM
????????


Here is what I mean as per the add. I am talking about the photos....

"AS 200 lens in cell 5.8 kg - weight dew shield : 1.45 kg weight tube assembly : 36.54 kg - summarize to total tube weight : 43.79 kg"

Cheers

gregbradley
30-04-2010, 08:26 PM
When they say semi-APO I bet they are being very tough on it.

Its hard to imagine a really well made triplet exhibiting colour.

Greg

Satchmo
01-05-2010, 09:11 PM
The light scatter from the two aluminised surfaces of the folding mirrors will make its' performance similar to a sub 20% obstructed well baffled Newtonian at about 1/10 the cost .

Ok , 'm such a party pooper... :)

Wavytone
02-05-2010, 03:22 PM
Hoo yeah, Mark... I still recall the views of Mars through the old Oddie (9" f/16) at 600X and the Reynolds (30" Cass) on a couple of nights of good seeing from Stromlo...

Someone I know had the good fortune to ride in the cage of the AAO on a rather poor night (not much more than sucker holes) when they pointed it at Jupiter... the detail visually just about blew his socks off, almost literally.