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07-17-2010, 09:57 PM   #1
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Is this an M42 lens I need?

Asahi NC Takumar 3,3/300mm Pentax M42 Nocta IR
Anyone know what this is used for? Just wondering whether to bid $Au4000 on it or whether I can live with out it.
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=350372188650&ssPageNam...:WNAFP:AU:1123

Possibly a bit specialised especially as CS4 has IR adjustment layers

07-17-2010, 10:46 PM   #2
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I'm not sure what is your purpose for it. are you going to use it more than 50% of the time?
07-18-2010, 12:43 AM   #3
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This lens is not said to be very good, I'm not sure you will have infinity, because it come out from a Nocta set, and seems to be overpriced for me, as the last Nocta set I saw was sold for approx 2100, buying the lens alone, without its front cap, for ~2700 is too expensive for me. There are much better lenses to buy before, for me
07-18-2010, 03:52 AM   #4
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QuoteQuote:
I'm not sure what is your purpose for it.
Neither am I -that's what I'm asking - what is it for??? A 600mm lens is half the price and far more attractive

07-18-2010, 02:07 PM   #5
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QuoteOriginally posted by Arjay Bee Quote
Neither am I -that's what I'm asking - what is it for??? A 600mm lens is half the price and far more attractive
I have a 300 which I've used zero times. Unless you're planting yourself on a tripod and shooting birds far away, 600 is pretty ridiculous on our sensors.
07-18-2010, 06:18 PM   #6
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The Nocta system was introduced in 1966 with specially corrected IR lenses.
Screw Mount Oddities
Look about halfway down the page.

CW
07-19-2010, 04:01 AM   #7
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Thank you for all the help - yep think I will pass after all and bid on that 50mm f2 lens going for $27 instead -
07-19-2010, 05:12 AM   #8
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QuoteOriginally posted by Arjay Bee Quote
Thank you for all the help - yep think I will pass after all and bid on that 50mm f2 lens going for $27 instead -
Also keep your eyes peeled at all times for a Helios 58mm F2. Incredible lens still available at bargain prices, but they make a bunch of different versions.

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