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I spend too much of my life on TPF!
praktica b100 lenses
hello, my dad gave me his old praktica b100 a while ago and ive been meaning to run a couple rolls of film through it. i have a couple questions on the lenses that came with it.
one is a 2.8/135mm 'bokeh monster.' i heard this lens has great bokeh ahd it seems pretty fast at f/2.8 at 135mm.
the other is the standard mc pentacon f/2.4 50mm. can anyone tell me a little more about this lens? such as strengths, weaknesses, etc?
thanks
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12-31-2008 03:25 PM
# ADS
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Site Moderator
Site Moderator
The 50/2.4 lens is a so called 'pancake' type.
See here:

They were just OK lenses, made in the East Germany and possible other countries as well. An unconfirmed rumor places the manufacture of some of them in Romania, by the I.O.R. company (Industria Optica Romana or Romanian Optical Industry) but it's hard to tell which ones they are. They are definitely of a lesser quality than other 50mm lenses available for the Praktica B100. For more info CLICK HERE.
Last edited by Mitica100; 01-01-2009 at 01:55 AM.
Reason: spelling
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I spend too much of my life on TPF!
cool thanks for that bit of info! 
do you know how i can tell where my lens was made?
Just some broke ass Nikon, Praktica, and Yashica equipment

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Site Moderator
Site Moderator

Originally Posted by
tron
cool thanks for that bit of info!
do you know how i can tell where my lens was made?
You're welcome.
Your lens is probably made in the former GDR (or East Germany).
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I spend too much of my life on TPF!
in regards to the bokeh monster lens, i hear thats a pretty good lens. also made in east germany?
Just some broke ass Nikon, Praktica, and Yashica equipment

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Site Moderator
Site Moderator
Yes and yes! A very good E. Germany product.
Check this.
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I spend too much of my life on TPF!
wow thats very nice man! do you know of any sort of adapter ring or something that would allow me to use these lenses on a modern body?
Just some broke ass Nikon, Praktica, and Yashica equipment

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Site Moderator
Site Moderator
Your Praktica has a B mount. See HERE.
Unfortunately, at this time there are no adapters from your B mount to any other modern lenses mounts.
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Site Moderator
Site Moderator
Correction: If you're handy and can do metal work you can modify your B mount to fit an EOS (Canon) camera.
CLICK HERE
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I spend too much of my life on TPF!
heres a thread i found and i guess this guy used the m42/nikon adapter ring? is that the same ring that would work on mylens/d40?
Just some broke ass Nikon, Praktica, and Yashica equipment

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I spend too much of my life on TPF!
Just some broke ass Nikon, Praktica, and Yashica equipment

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Site Moderator
Site Moderator
You mean the eBay link? You should ask the seller if it works with a D40. I don't see why it shouldn't but I am no expert in conversions.