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Archive 2017 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6

  
 
rps_23
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p.13 #1 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


bluloo wrote:
I've been looking at picking up another one, on and off for several days, and as some listings were disappearing, I was wondering if anyone here bought one.

Tonight, I placed an order from a Japanese seller. Supposed to be clear and free of haze. We'll see.
Also ordered a Leitax mount and their tripod adapter.

Some of the current listings for the lens are a bit of a joke - they're described as Excellent++. Near Mint, or Mint - with either haze or "only a little " water vapor inside.


I ordered one tonight as well. Tried to find the best, latest serial # one I could, and from a reputable seller. The pictures of the rear element weren't sufficient to see anything, but there's supposed to be no haze, etc. So I am hoping for the best, but ready to use the Money Back Guarantee if it's not "mint".

Completely agree with many of the listings being a joke. Had to basically ignore their description and search for the flaws and just look at the pictures.



Dec 28, 2018 at 06:54 PM
Fred Miranda
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p.13 #2 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


I believe that serial numbers that start with "747..." have less chance of developing haze. (perhaps the cement used was different)
All the "750...." I've tried had haze.



Dec 28, 2018 at 07:17 PM
bluloo
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p.13 #3 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Mine is a 747...


Dec 28, 2018 at 07:24 PM
Fred Miranda
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p.13 #4 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


bluloo wrote:
Mine is a 747...


I meant "747"...So, that's a good sign.



Dec 28, 2018 at 07:26 PM
rps_23
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p.13 #5 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred Miranda wrote:
I believe that serial numbers that start with "747..." have less chance of developing haze. (perhaps the cement used was different)
All the "750...." I've tried had haze.


Well, that's not great news. The one I just ordered is a "750..."



Dec 28, 2018 at 07:34 PM
Fred Miranda
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p.13 #6 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


rps_23 wrote:
Well, that's not great news. The one I just ordered is a "750..."


That was just my experience testing many copies (good and bad). Also, folks with great copies seem to have the 747 version.

It may not be the case though.



Dec 28, 2018 at 07:36 PM
rps_23
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p.13 #7 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred Miranda wrote:
That was just my experience testing many copies (good and bad). Also, folks with great copies seem to have the 747 version.

It may not be the case though.


That's great info, and really appreciate your extensive testing of all these lenses.

I figure this one is worth a try, as there's the potential to be great copies hiding in each batch. If it doesn't pan out I'll try to find a "747...".



Dec 28, 2018 at 08:04 PM
bluloo
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p.13 #8 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


If either of the two repair shops listed in the thread are good, then it makes buying one less risky.


Also, does anyone know the diameter of the Leitax mount?

Longshot, but if anyone knows what it also is with the plastic insert they sell, that would be great.


I have a spare ~2.75" diameter collar from a Tamron 70-210 and want to look for a new ring, if this one isn't going to work.

Thanks



Dec 28, 2018 at 08:39 PM
tsdevine
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p.13 #9 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6



I have a 750... and there is no evidence of separation or haze.

FWIW,
Tim



Dec 28, 2018 at 10:09 PM
Ronny Olsson
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p.13 #10 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


mine seems to be in good condition
I keep my thumbs that it stay that way
I really like this lens
but it is not super easy to handle
But when you get the most right, it usually gets good results

I hope you get good ex Fred and Louis


Contax 100-300mm F/4.5-5.6 Vario-Sonnar T* by Ronny Olsson, on Flickr


Contax 100-300mm F/4.5-5.6 Vario-Sonnar T* by Ronny Olsson, on Flickr



A7R II + Contax 100-300mm F/4.5-5.6 Vario-Sonnar T* by Ronny Olsson, on Flickr





Dec 29, 2018 at 03:08 AM
PEKA62
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p.13 #11 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred Miranda wrote:
I believe that serial numbers that start with "747..." have less chance of developing haze. (perhaps the cement used was different)
All the "750...." I've tried had haze.


I have a different statistic, that I started last spring monitoring ebay offers of this lens for a while:
http://kappel.com/fotos/VS100-300.png



Dec 29, 2018 at 03:37 AM
Fred Miranda
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p.13 #12 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


PEKA62 wrote:
I have a different statistic, that I started last spring monitoring ebay offers of this lens for a while:
http://kappel.com/fotos/VS100-300.png


Wow!

So, it's random? Personally, I've seen more issues with "750" with 4 bad copies. Perhaps going by the listing description does not tell the whole story as all the lenses I bought were listed as free of haze and separation...

The issue with a hazy copy is that it's pretty much unusable and it's not really possible to re-sell it...

For those who just bought copies of this lens, keep us updated on the condition.



Dec 29, 2018 at 12:25 PM
tsdevine
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p.13 #13 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Mine is the 7507209.....uncomfortably sitting below the red 750....

-Tim

Fred Miranda wrote:
Wow!

So, it's random? Personally, I've seen more issues with "750" with 4 bad copies. Perhaps going by the listing description does not tell the whole story as all the lenses I bought were listed as free of haze and separation...

The issue with a hazy copy is that it's pretty much unusable and it's not really possible to re-sell it...

For those who just bought copies of this lens, keep us updated on the condition.




Dec 29, 2018 at 12:34 PM
WhyFi
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p.13 #14 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6




Fred Miranda wrote:
Perhaps going by the listing description does not tell the whole story as all the lenses I bought were listed as free of haze and separation...


Yup. This, coupled with the positive feedback for the guy that repairs rear element separation, has me thinking that, if I want a 100-300, I'll buy one with with haze/separation (and priced accordingly) and get it fixed. I feel like the odds that you'll need repair work is worse than a flip of the coin anyway, so why overpay?



Dec 29, 2018 at 12:45 PM
Fred Miranda
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p.13 #15 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


WhyFi wrote:
Yup. This, coupled with the positive feedback for the guy that repairs rear element separation, has me thinking that, if I want a 100-300, I'll buy one with with haze/separation (and priced accordingly) and get it fixed. I feel like the odds that you'll need repair work is worse than a flip of the coin anyway, so why overpay?


Which guy? Any successful story?



Dec 29, 2018 at 01:24 PM
PEKA62
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p.13 #16 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred Miranda wrote:
Which guy? Any successful story?


Still waiting for successful story...
https://www.fredmiranda.com/forum/topic/1501962/1#14700493



Dec 29, 2018 at 05:33 PM
PEKA62
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p.13 #17 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Btw mine is 7506688 and it's like new out of the box...
I previously owned one of the 84XXX in the list (which was perfect, too) and sold it, regretted, blamed myself, then rebought the 7506688.
My list is not only from ebay offers (where only the description of the seller was criteria), but also all additional information I could find.
I even sent emails to owners I knew, asking for their s/n and if they had any issues with haze.
In mid June I stopped that project, but I could continue collect data if anybody wants to send me their s/n



Dec 29, 2018 at 05:48 PM
PEKA62
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p.13 #18 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred, do you have the s/n of the lenses you bought that were crap?
I'll add them to the list.



Dec 29, 2018 at 06:03 PM
PEKA62
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p.13 #19 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Added Ronny's s/n from above as clean.
Clean your browser's cache.



Dec 29, 2018 at 06:17 PM
WhyFi
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p.13 #20 · Sony FE 100-400/4.5-5.6 GM vs Contax 100-300/4.5-5.6


Fred Miranda wrote:
Which guy? Any successful story?


Yes -

https://www.fredmiranda.com/forum/topic/1567632/0#14641854

amade1974 wrote:
I was asked by Robin to send the info on the place I had the CLA on my VS100-300 done. I figure there may be more people interested in this information:

http://lens-cla.blogspot.com/2014/07/contax-carl-zeiss-vario-sonnar-100.html

When I sent him my lens, he told me there was around a 45 day waiting period. He gets lots of these lenses, as well as Leica Summiluxes and other really high end gear (he accidentally sent me a picture of some Leica 'luxes mentioning that he was working on my lens).

He charged me 150 dollars, plus around 60 dollars shipping (express shipping). The lens came back pristine, so I
...Show more





Dec 29, 2018 at 08:49 PM
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