Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
08-13-2009, 12:17 PM   #1
New Member

Join Date: Aug 2009
Posts: 1
Can I use this cosina cosinon lens?

Hi!! I just got Pentax ME Super, and came across a cheap lens on the web but I don't know if it fits on my camera. The text around the lens says "MC COSINON-T 135mm 1:3.5". I can't figure out if cosinon-t means that it is for K-mount cameras or cosinon-t is made for several mounts. Does anybody know? I've attached a picture of it. The seller doesn't seem to know.


Attached Images
08-13-2009, 03:40 PM   #2
Veteran Member
GerryL's Avatar

Join Date: Jan 2009
Location: CA
Posts: 2,731
Welcome to the forums Morb1.
It is kind of hard to tell with the lens on its side.
It would be easier, I think, to figure it out if the photo was of the mount itself or the lens back side that shows the mount.
It might have some markings that say K, R or K/R or KA/R.
The aperture ring also give a clue as to whether it can be used for Pentax..although not always.
Usually an "A" marking (usually green in color) past the highest aperture number on the aperture ring suggests that it is an "A" lens that can be use for Pentax.
Somebody here might give you a more definite answer but with a photo of the lens not even showing the aperture ring side of the lens nor the lens mount itself, I am highly doubtful that anyone can confirm..not unless they have owned this specific lens.
08-13-2009, 06:21 PM   #3
Veteran Member
FotoPete's Avatar

Join Date: Feb 2007
Location: Toronto
Photos: Gallery
Posts: 1,774
80% sure its a standard K Mount. No other lens has aperture lever that sticks out that far + lever guard. Best thing would be to ask the seller for another photo of the mount.
08-14-2009, 01:01 PM   #4
Veteran Member
Miserere's Avatar

Join Date: Sep 2007
Location: Boston
Photos: Gallery
Posts: 1,993
It's either Nikon or Pentax mount, I would say. A photo of the mount straight on will tell us.

Cosinon-T is just the name Cosina gave its long lenses. 'T' stands for 'telephoto' as far as I know. Their 50mm lenses were Cosinon-S (standard?) and their 24mm and 28mm were Cosinon-W (wide, I pressume).

They made very few P/KA lenses, so this is most likely a P/K mount, meaning you'll need to use stop-down metering on your DSLR. Other than that, I'm pretty sure it's a very good lens. I have the 135mm f/2.8 and 200mm f/4 Cosinon-T's, and they're fine performers. Your only complaint might be the rather long minimum focusing distance of 1.35m (4.4ft).


08-14-2009, 01:06 PM   #5
Veteran Member
Miserere's Avatar

Join Date: Sep 2007
Location: Boston
Photos: Gallery
Posts: 1,993
Ah, I just saw that you have an ME Super. In that case, this lens (if it's Pentax mount) will provide all the functions a Pentax lens would and you'll be able to use all shooting modes on your camera.


  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
cosinon-t, k-mount, lens, pentax lens, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
Cosinon 28mm 2.8 Auto MC? szurinaga Pentax SLR Lens Discussion 4 07-11-2010 12:30 AM
For Sale - Sold: Cosina 55mm 1.2 Fast Lens saxshooter Sold Items 1 03-19-2009 08:21 PM
Sample Photos from a Cosina 50/1.4 MF lens. frank Pentax SLR Lens Discussion 21 12-28-2008 11:37 PM
For Sale - Sold: Cosina 55mm/1.2 Lens troyz Sold Items 5 11-07-2008 11:31 PM
COSINON/TAKUMAR/PENTAX (all f:1.4) Palu Guimaraes Pentax SLR Lens Discussion 3 05-18-2008 03:51 AM

All times are GMT -7. The time now is 09:37 AM. | See also:, part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]