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Vivitar 20mm with 82mm front lens ?
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PostPosted: Wed Dec 05, 2007 5:42 pm    Post subject: Vivitar 20mm with 82mm front lens ? Reply with quote
Hi all,

Do you know this lens :

Click here to see on Ebay

I don't want to buy this one but that's the best picture I've found on the web...

Could it be a Flektogon copy ?
Thanks !


PostPosted: Wed Dec 05, 2007 5:43 pm    Post subject: Reply with quote
No, no lot worst than a Flektogon. This lens is made by Kiron. Kiron not bad lens but never reach the Flektogon quality.


PostPosted: Wed Dec 05, 2007 5:49 pm    Post subject: Reply with quote
Attila wrote:
This lens is made by Kiron. Kiron not bad lens but never reach the Flektogon quality.

I was not meaning it Wink
Do you think it is better than Vivitar 19mm f3.8 ?

Better pic of the 20mm Click here to see on Ebay


PostPosted: Wed Dec 05, 2007 5:56 pm    Post subject: Reply with quote
Split every price more than half at this seller and you able to get the real value. I had in the past a Vivitar 19mm f3.8 lens , it's IQ = it's price. Usable if you don't have money for a good one. A 4/20 Flek price not too high and lot better lens than any below 200 GBP.

http://www.mflenses.com/gallery/v/japenese/vivitar/vivitar_19mm_f3_8/
http://www.mflenses.com/gallery/v/german/zeiss/flektogon/


PostPosted: Wed Dec 05, 2007 6:23 pm    Post subject: Reply with quote
I put ebay links not to bid on it or price quoting but just for pics of this lens.


PostPosted: Wed Dec 05, 2007 6:25 pm    Post subject: Reply with quote
I thought that you are put just a sample I told the "price split" because I believe many beginner read our posts.


PostPosted: Wed Dec 05, 2007 6:26 pm    Post subject: Reply with quote
Attila wrote:
I thought that you are put just a sample I told the "price split" because I believe many beginner read our posts.


You are right. Actually this lens can be found for 30 to 50 Eur.


PostPosted: Wed Dec 05, 2007 6:33 pm    Post subject: Reply with quote
For that price 30-50 EUR I guess no question to take it, I am curious also about this lens quality I had a Kiron made Vivitar 24mm f2 lens that was pretty decent performer. I didn't kept because I have better lenses, but wasn't bad at all.


PostPosted: Thu Dec 06, 2007 6:47 am    Post subject: Reply with quote
Flor27 wrote:
Actually this lens can be found for 30 to 50 Eur.


Even for 10 Euros, I wouldn't touch it with a pole.
I have a sample of this lens, it is very soft until F/11 and never reaches really good sharpness.

Here's a sample taken wide open (even resized, you should be able to get the picture):


Here's a 100% crop of the lower left corner:


Cheers,

Abbazz


PostPosted: Thu Dec 06, 2007 6:50 am    Post subject: Reply with quote
Wow, what a crappy result....

Thanks Abbazz ! Too bad because this lens had some sex appeal ...


PostPosted: Thu Dec 06, 2007 7:52 am    Post subject: Reply with quote
Thanks for this picture, Abbazz! I think that good pinhole can give better results than this lens Smile


PostPosted: Thu Dec 06, 2007 7:55 am    Post subject: Reply with quote
Maxim wrote:
Thanks for this picture, Abbazz! I think that good pinhole can give better results than this lens Smile


Good one, Hubert, I was thinking the same thing! Laughing

Bill


PostPosted: Thu Dec 06, 2007 8:42 am    Post subject: Reply with quote
This is a big surprise, still hard to believe Kiron made this crap, might be your copy is wrongly built or something. I never seen similar bad Kiron made lens.


PostPosted: Thu Dec 06, 2007 9:05 am    Post subject: Reply with quote
Yes it could be heavy sample variation...


PostPosted: Thu Dec 06, 2007 11:13 am    Post subject: Reply with quote
Attila wrote:
This is a big surprise, still hard to believe Kiron made this crap, might be your copy is wrongly built or something. I never seen similar bad Kiron made lens.


Yes, it was quite a bad surprise to me too when I acquired the lens Mad

The serial number on my lens begins with 22 which, according to the list on Stephen Gandy's website, corresponds to Kino (aka Kiron), a very reputable manufacturer.

My copy could be a bad sample, but I doubt this particular lens has ever been abused, as it is in mint condition, without any trace of attempted disassembly by some amateur repairman.

Cheers,

Abbazz


PostPosted: Fri Dec 07, 2007 12:34 am    Post subject: Reply with quote
I too am surprised by those images. I had a 20/2.8 Spiratone lens, certainly not a major brand, that was much, much, MUCH better than that, actually a very impressive lens. I can't think how to explain that performance in the Vivitar unless it had been serviced and incorrectly reassembled.


PostPosted: Fri Dec 07, 2007 12:37 am    Post subject: Reply with quote
So your lens was built wrongly in factory , I have also a factory built wrong lens, sometimes happen..


PostPosted: Fri Dec 07, 2007 12:43 am    Post subject: Reply with quote
That is called CQC

Crappy Quality Control
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