High quality and/or cheap C-mount lenses?

Started Jun 17, 2010 | Discussions thread
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djst
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High quality and/or cheap C-mount lenses?
Jun 17, 2010

I was searching a bit for lenses after being inspired by PhotoByRichard's thread ( http://forums.dpreview.com/forums/readflat.asp?forum=1041&thread=35538518 ) about his new Pentax 25mm 1.4 lens and it seems there are actually plenty of similar lenses to choose from.

Apparently this one is the one Richard got, and it sells for $89 plus shipping: http://www.bhphotovideo.com/c/product/546271-REG/Pentax_C22525KP_C22525KP_1_C_Mount.html

But why is that one so expensive compared to e.g. this 25mm f/0.95 lens: http://cgi.ebay.com/95-25MM-FAST-NEW-BOLEX-16MM-CAMERA-C-MOUNT-LENS-G1-/280521480308?cmd=ViewItem&pt=Camera_Lenses&hash=item4150621874

Or how about this one: http://cgi.ebay.com/New-CCTV-Lens-25mm-F1-2-C-mount-can-use-M43-camera-/140408956471?cmd=ViewItem&pt=Camera_Lenses&hash=item20b106a637

Does anyone know more about these lenses, which ones to watch out for and which ones that are actually good (well, for being c-mount lenses )? Any advice would be greatly appreciated!

 djst's gear list:djst's gear list
Olympus PEN E-PM1 Olympus M.Zuiko Digital ED 9-18mm 1:4.0-5.6 Panasonic Lumix G 20mm F1.7 ASPH Panasonic Lumix G Vario 45-200mm F4-5.6 OIS Olympus M.Zuiko Digital 14-42mm 1:3.5-5.6 II R +1 more
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