Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
06-30-2017, 03:14 AM   #1
Forum Member
MrTiburon's Avatar

Join Date: Feb 2017
Posts: 78
TELE Vivitar 1:3.5 f=135mm Two aperture rings(?)

Hi guys,
I've recently bought a pack of old lenses/bag/filters/equipment etc. (you know those auctions/ads where somebody found old grandpa's stuff on the attic and sell it for few pennies).
One of the lenses is TELE Vivitar 1:3.5 f=135mm and it's first time I have lens with two aperture rings on it. Tried to find some info about it but I can't. When looking for it on the internet it either finds another version of it with just one ring or auctions without description on type I have. Does anyone have links to articles/tests or personal experiences with this particular lens? One of the rings seems to be something I'll call 'Master Ring' which sets aperture and the other one let's you manipulate aperture further between 3.5 and value set and blocked by 'Master Ring' (visually showing how dark/light everything is in viewfinder).

Attached Images
View Picture EXIF
IPhone 6  Photo 
06-30-2017, 03:44 AM - 1 Like   #2
Loyal Site Supporter
Loyal Site Supporter
BigMackCam's Avatar

Join Date: Mar 2010
Location: North-East of England
Posts: 16,040
I don't have experience with that lens, but it has what's known as a preset aperture mechanism. You set the aperture you want with one ring, then open the diaphragm fully with the other, focus, then close it down with that same ring to the aperture you had originally set, and take the photo. Quite a lot of preset lenses were made, and I admit to having a fondness for them

We have a couple of user reviews of that lens in our database, here:

https://www.pentaxforums.com/userreviews/vivitar-p-b-135mm-3-5-preset-t-mount.html

Last edited by BigMackCam; 06-30-2017 at 04:14 AM.
06-30-2017, 03:45 AM - 1 Like   #3
Senior Member
antipattern's Avatar

Join Date: Apr 2012
Location: Berlin, Germany
Photos: Albums
Posts: 224
This is called a preset aperture and is common in a lot of older lenses. As you described, one ring sets the aperture, the other one is used to open the lens, focus, and then stop down to the set value. Most preset lenses use a slightly different mechanism with only one ring. The Pentacon 135/2.8 for example has only one aperture ring: you pull the ring forward, then rotate it to the target aperture. During normal operation, the ring only operates between the maximum and the set value.
06-30-2017, 03:51 AM   #4
Loyal Site Supporter
Loyal Site Supporter
BigMackCam's Avatar

Join Date: Mar 2010
Location: North-East of England
Posts: 16,040
QuoteOriginally posted by antipattern Quote
Most preset lenses use a slightly different mechanism with only one ring.
Funnily enough, that hasn't been my experience. Most of the presets I've seen and used (and own) have the two separate rings. I did recently try an E. Ludwig Meritar 50mm f/2.9 that used the single ring with push / pull, but that was the first I'd come across...

06-30-2017, 03:56 AM   #5
Forum Member
MrTiburon's Avatar

Join Date: Feb 2017
Posts: 78
Original Poster
Thanks guys. Having ''preset aperture'' expression there's bigger field for research for me now. Want to get as much as I can out of stuff I've obtained.
06-30-2017, 05:52 AM - 1 Like   #6
Site Supporter
Site Supporter
timw4mail's Avatar

Join Date: Apr 2017
Location: Driving a Mirage
Photos: Gallery | Albums
Posts: 1,666
I've seen several lenses with preset apertures...but never one with two aperture gauges...
06-30-2017, 06:35 AM   #7
Pentaxian




Join Date: Nov 2015
Location: Sydney
Posts: 488
Wow! Weird. Never seen that before.....
06-30-2017, 06:47 AM   #8
Site Supporter
Site Supporter




Join Date: Nov 2012
Location: North Wales
Photos: Gallery | Albums
Posts: 2,389
QuoteOriginally posted by timw4mail Quote
I've seen several lenses with preset apertures...but never one with two aperture gauges...
Well sometimes they're labelled like that, sometimes the ring you spin is labelled O - C for open - close.
That old vivitar is also a t-mount lens. FYI

How to use t-mount, preset lenses.

06-30-2017, 07:01 AM   #9
Forum Member
MrTiburon's Avatar

Join Date: Feb 2017
Posts: 78
Original Poster
QuoteOriginally posted by marcusBMG Quote
That old vivitar is also a t-mount lens

I know, I've realised that. There is adapter connected to it though.




06-30-2017, 08:17 AM   #10
Pentaxian
photoptimist's Avatar

Join Date: Jul 2016
Photos: Albums
Posts: 4,532
The Pentax K-mount 28mm f/3.5 shift lens has this 2 ring setup also.

The two-ring configuration can make it easier to use an old lens because the slider ring makes it easy to flick between full-open (for focusing & framing) and the preset aperture (for metering and shooting). The only tricky part is developing the right muscle memory to flick between open and closed during the workflow of the shooting cycle.

Have fun with your new-old lens!
06-30-2017, 09:10 AM   #11
Senior Member
antipattern's Avatar

Join Date: Apr 2012
Location: Berlin, Germany
Photos: Albums
Posts: 224
QuoteOriginally posted by BigMackCam Quote
Funnily enough, that hasn't been my experience. Most of the presets I've seen and used (and own) have the two separate rings. I did recently try an E. Ludwig Meritar 50mm f/2.9 that used the single ring with push / pull, but that was the first I'd come across...
QuoteOriginally posted by BigMackCam Quote
Funnily enough, that hasn't been my experience. Most of the presets I've seen and used (and own) have the two separate rings. I did recently try an E. Ludwig Meritar 50mm f/2.9 that used the single ring with push / pull, but that was the first I'd come across...
Maybe my sample is slightly skewed - most of the preset lenses I have worked with were German made and had the push-to-set mechanism. I think I have seen the two-ring mechanism before, but can't remember on which lens...
06-30-2017, 09:23 AM   #12
Loyal Site Supporter
Loyal Site Supporter
BigMackCam's Avatar

Join Date: Mar 2010
Location: North-East of England
Posts: 16,040
QuoteOriginally posted by antipattern Quote
Maybe my sample is slightly skewed - most of the preset lenses I have worked with were German made and had the push-to-set mechanism. I think I have seen the two-ring mechanism before, but can't remember on which lens...
In fairness, it could be that my sample range is skewed I have a few Japanese preset lenses (which use the two ring system), but most of mine are Soviet and they all have two rings. As I say, the E.Ludwig Meritar I tried had the push-pull single ring... Maybe it was favoured by German makers. It confused me at first, but once I figured it out, I thought it was pretty elegant
07-10-2017, 05:38 PM - 1 Like   #13
Forum Member
MrTiburon's Avatar

Join Date: Feb 2017
Posts: 78
Original Poster
Thanks for all answers. Looks less complicated now
05-11-2018, 06:00 PM   #14
Forum Member
MrTiburon's Avatar

Join Date: Feb 2017
Posts: 78
Original Poster
Refreshing the thread. I was just looking for more info about this particular lens and couldn't really find much about it (other versions like one ring yes but not this one). Am I the owner of something uncommon here? Feel obliged to make more photos with it and maybe write a short review...
05-21-2018, 03:07 AM   #15
Veteran Member
cyberjunkie's Avatar

Join Date: Mar 2010
Location: Bologna, Amsterdam, Chiang Mai
Posts: 1,092
QuoteOriginally posted by MrTiburon Quote
Refreshing the thread. I was just looking for more info about this particular lens and couldn't really find much about it (other versions like one ring yes but not this one). Am I the owner of something uncommon here? Feel obliged to make more photos with it and maybe write a short review...
Your lens looks very similar to a couple of preset teles I own.
Can't say more cause the picture of the lens doesn't show the serial.
I'd say Tokina made. Or maybe Komine.
Not uncommon, but worth investigating its qualities. Fringing could be a problem, but the rounded iris should give rounded bokeh balls even if it's stopped down a little
Reply

Bookmarks
  • 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!
aperture, f=135mm, f=135mm two aperture, k-mount, lens, pentax lens, rings, slr lens, tele, tele vivitar, vivitar, vivitar 1:3.5 f=135mm
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Manipulating aperture without rings gman26 Pentax DSLR Discussion 3 11-02-2013 01:46 PM
Aperture rings = More fun? penquin Pentax SLR Lens Discussion 17 09-26-2011 02:15 PM
"A" setting in camera and aperture rings GLThorne Pentax SLR Lens Discussion 13 03-22-2007 08:57 AM



All times are GMT -7. The time now is 11:29 PM. | See also: NikonForums.com, CanonForums.com 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?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top