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Vivitar series 1 24-48 N-AI
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PostPosted: Mon Jun 03, 2013 1:29 pm    Post subject: Vivitar series 1 24-48 N-AI Reply with quote
Can anyone tell me anything about this lens? How much should I be paying for it if it is any good. Links to examples wold be nice. I have had a search, but very little is decent information.

All help appreciated.


PostPosted: Mon Jun 03, 2013 2:24 pm    Post subject: Reply with quote
if it's the constant f3.8 with the huge 77mm filter ring, then it's a very good lens. The downside is the size and weight, although it is fairly short.
Mine is a Kiron lens - 22******* serial number - and I use it a lot on my Pentax K10, it's probably my most used manual lens on that camera.

The last one I saw sold fetched about £90, I would expect a very good condition one for that money though. I paid about £50 for mine at the camera fair many years ago, and I knew I got a bargain.



PostPosted: Mon Jun 03, 2013 7:03 pm    Post subject: Reply with quote
Yup, that's the one I have. He only wanted £25, it's untested though... will bung it on the 35mm F401-s of the daughters. This is in the 22****** range as well. Very nice condition (1 dust speck on back of front element) and a nice original cap for it.

However, I can't get the aperture to close down, but I am most certainly not familiar with Nikon lenses, so I am probably missing something. The ring feels as I would expect it to. Any advice?

Cheers Lloydy.


PostPosted: Mon Jun 03, 2013 7:18 pm    Post subject: Reply with quote
A superb lens at a great price but their weak spot is sticky apertures. Oil on the blades is a common fault with this lens. BTW, I have an original hood for your lens if you are interested.


PostPosted: Mon Jun 03, 2013 7:23 pm    Post subject: Reply with quote
DigiChromeEd wrote:
A superb lens at a great price but their weak spot is sticky apertures. Oil on the blades is a common fault with this lens. BTW, I have an original hood for your lens if you are interested.


I may well take You up on that. I do want to check it's fully working, or repairable first. I need to read up on Nikon and the aperture system, I know there are some "funny" things compared to your normal systems, but I can't remember what, or if it will affect me.


PostPosted: Mon Jun 03, 2013 8:07 pm    Post subject: Reply with quote
If Newstuff doesn't take the hood I certainly will Ed, I've been looking for a proper one.


PostPosted: Mon Jun 03, 2013 9:00 pm    Post subject: Reply with quote
Well, I've ordered a Nikon-->NEX adaptor, so we'll see how it goes.

Question for You guys though... how do You close down the aperture without the lens being mounted? I can turn the ring as You would expect, and it feels fine, with positive clicks. No matter the aperture set though, it stays wide open, and the lever on the base has no effect. I'm hoping I've not bought a duffer, or it's easily repairable.


PostPosted: Mon Jun 03, 2013 10:07 pm    Post subject: Reply with quote
NewStuff wrote:
Well, I've ordered a Nikon-->NEX adaptor, so we'll see how it goes.

Question for You guys though... how do You close down the aperture without the lens being mounted?


Unmounted, you turn the aperture ring. You should see the aperture change as you do so. Mounted, on a Nikon camera, the aperture is wide open until the shutter release button is pressed.


PostPosted: Mon Jun 03, 2013 11:23 pm    Post subject: Reply with quote
sichko wrote:
NewStuff wrote:
Well, I've ordered a Nikon-->NEX adaptor, so we'll see how it goes.

Question for You guys though... how do You close down the aperture without the lens being mounted?


Unmounted, you turn the aperture ring. You should see the aperture change as you do so. Mounted, on a Nikon camera, the aperture is wide open until the shutter release button is pressed.


As I thought. The lens has issues then, possibly the ring is uncoupled from the mechanism itself...

Ho hum... guess I get to see the inside of it sooner than I thought.


PostPosted: Mon Jun 03, 2013 11:32 pm    Post subject: Reply with quote
NewStuff wrote:
sichko wrote:
NewStuff wrote:
Well, I've ordered a Nikon-->NEX adaptor, so we'll see how it goes.

Question for You guys though... how do You close down the aperture without the lens being mounted?


Unmounted, you turn the aperture ring. You should see the aperture change as you do so. Mounted, on a Nikon camera, the aperture is wide open until the shutter release button is pressed.


As I thought. The lens has issues then, possibly the ring is uncoupled from the mechanism itself...

Ho hum... guess I get to see the inside of it sooner than I thought.


For that price - and given the quality of the lens, it would be worth a professional service perhaps.
The sticky blades are certainly a bargaining chip if you want to use it to get the price lower.
OH


PostPosted: Mon Jun 03, 2013 11:57 pm    Post subject: Reply with quote
I've got mine on the desk, and I don't think it's a lens I'd take apart willingly. I did take the PK light baffle off to chop it down, but I don't think I'd go any deeper in.


PostPosted: Tue Jun 04, 2013 6:39 am    Post subject: Reply with quote
Oldhand wrote:
NewStuff wrote:
sichko wrote:
NewStuff wrote:
Well, I've ordered a Nikon-->NEX adaptor, so we'll see how it goes.

Question for You guys though... how do You close down the aperture without the lens being mounted?


Unmounted, you turn the aperture ring. You should see the aperture change as you do so. Mounted, on a Nikon camera, the aperture is wide open until the shutter release button is pressed.


As I thought. The lens has issues then, possibly the ring is uncoupled from the mechanism itself...

Ho hum... guess I get to see the inside of it sooner than I thought.


For that price - and given the quality of the lens, it would be worth a professional service perhaps.
The sticky blades are certainly a bargaining chip if you want to use it to get the price lower.
OH


I've bought the lens. I figured at being able to flip a series 1 for the £25 he wanted, even if I didn't like it. The rest seems in very nice condition.
I'm an engineer, and I've fixed a number of lenses, so I'm hopeful I can get it sorted. At the worst, I'd look into getting it repaired or sell it to a member that wants to repair it at cost.

Lloydy wrote:
I've got mine on the desk, and I don't think it's a lens I'd take apart willingly. I did take the PK light baffle off to chop it down, but I don't think I'd go any deeper in.


I understand this perfectly. I'm a Curious George though. I want to know how things work, and more importantly, why they stop working.


PostPosted: Tue Jun 04, 2013 6:49 am    Post subject: Reply with quote
OK - good luck with this lens.
I hope it is good to you and helps you make great images.
Cheers
OH


PostPosted: Tue Jun 04, 2013 10:33 am    Post subject: Reply with quote
Go for it, the chances are it is a robust and simple lens, but if it requires the helicoids to be separated I would be careful as the zoom extends at both ends, so there's some clever stuff going on there!


PostPosted: Tue Jun 04, 2013 10:46 pm    Post subject: Reply with quote
NewStuff wrote:
I'm a Curious George though. I want to know how things work, and more importantly, why they stop working.


...and stay stopped if you bugger it up! Good luck.
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