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Contax Mutar I - best doubler ?
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PostPosted: Sun Jun 06, 2010 12:06 pm    Post subject: Contax Mutar I - best doubler ? Reply with quote

lately I wrote that I am not happy with the doubler
I check it with the contax 85:1.4 and quality is only ok from 2.8
today I try it with the contax 85:2.8 and I get a surprise, great result
here are some sample on 5DII from 1 hour ago with harsh light but I wanted to share
this is a combo I will think about, to have a 170:5.6 without filing the bag can be handy
doubler can give quality, but not with every lens
-----
edit: I forget to note that all those samples are at 2.8
closing down will of course improve quality but light is not always enough


100% crop not sharpened


100% crop sharpened



100% crop


Last edited by poilu on Sun Jun 06, 2010 1:06 pm; edited 1 time in total


PostPosted: Sun Jun 06, 2010 12:14 pm    Post subject: Reply with quote

Yes, right all TC even best ones like this is designed for specific lens (lenses) not for all as you recognized clearly.


PostPosted: Sun Jun 06, 2010 12:33 pm    Post subject: Reply with quote

A question: when you say not sharpened about the crops, what do you really mean? Did you take jpegs with the camera with the sharpening setting set to minimum, or in raw with the raw converter sharpening set to zero?

I'm sorry about being like this, but I always want to know maximum info.

How is the bokeh with this combo? Especially the non-center area?


PostPosted: Sun Jun 06, 2010 12:39 pm    Post subject: Reply with quote

Nice results! I thought the Mutar II was the one most people go on about though? I need to do some research Smile


PostPosted: Sun Jun 06, 2010 12:52 pm    Post subject: Reply with quote

Shrek wrote:
I thought the Mutar II was the one most people go on about though?

Mutar II work with less lenses from 135mm
download pdf here http://www.zeiss.de/c12567a8003b58b9/Contents-Frame/5ed01eb620d0b1cec12570f80033cada


Anu wrote:
or in raw with the raw converter sharpening set to zero?

this one, I don't use jpg
here is a 100% of same pic this time sharpened
quite good for doubler wide open


Quote:
How is the bokeh with this combo? Especially the non-center area?

I don't know yet, it was the first time I used this combo
but in focus, borders have good quality from wide open



Last edited by poilu on Sun Jun 06, 2010 9:07 pm; edited 1 time in total


PostPosted: Sun Jun 06, 2010 12:54 pm    Post subject: Reply with quote

Aha! Thanks poilu, I've just seen the thread on the mainboard too Smile


PostPosted: Sun Jun 06, 2010 10:28 pm    Post subject: Reply with quote

Poilu - great!!

Zeiss is the best Smile

tf


PostPosted: Mon Jun 07, 2010 7:34 am    Post subject: Reply with quote

Bought a Mutar I last week. Will receive this week.

BTW on your main street (pic 3) I bought during my last visit at the end of season on the right side a ballpen from a very famous manufacturer. Was much cheaper than in Germany. And the visit before on the left side a watch - much cheaper than in Germany too. Very Happy Very Happy


PostPosted: Sat Jun 12, 2010 3:13 pm    Post subject: Reply with quote

thanks for nice comments
a sample from today, 85:2.8 with mutar and ext tubes on 5DII

100% crop


PostPosted: Sat Jun 12, 2010 3:31 pm    Post subject: Reply with quote

Poilu, did you use the Mutar I for lens with more or equal 135mm too ?

As I could read it is possible but not recommended. Any experiences ?

Thanks for your assistance
Wink


PostPosted: Sat Jun 12, 2010 3:46 pm    Post subject: Reply with quote

Rolf wrote:
Poilu, did you use the Mutar I for lens with more or equal 135mm too ?

I don't use the mutar for any lens, I just make some test to check if I can trust it for light travel setup
check pdf for mutar http://www.zeiss.de/c12567a8003b58b9/Contents-Frame/5ed01eb620d0b1cec12570f80033cada
it say it work with all lenses but some with optical limitation


PostPosted: Sat Jun 12, 2010 4:02 pm    Post subject: Reply with quote

Thank you for the link. That was the information I had before. Question is, what is "2 = possible combination but with optical limitations" ?

I thought that you have had some experiences with that. It seems that the Mutar II is much more expensive than the M I.

Wink


PostPosted: Tue Aug 06, 2019 11:50 am    Post subject: Reply with quote

funny that the Photobucket pics are still there Cool
2010, it was the only and last time I used the Mutar
I should find it and use it again Smile


PostPosted: Wed Oct 16, 2019 12:52 am    Post subject: Reply with quote

Please do. I am looking to start gathering a contax collection to use on my a7rii. Totally intrigued by the images from the 35mm 1.4. I intend to sell a load of lenses to pick it up. In my research I see these are less than a hundred dollars and supposedly amongst the best of the TC's out there.


PostPosted: Wed Oct 16, 2019 7:05 am    Post subject: Reply with quote

Attila wrote:
Yes, right all TC even best ones like this is designed for specific lens (lenses) not for all as you recognized clearly.

Mutar I designed for both 85/1.4 and 2.8 but in analoge-times. there is a table by zeiss online named:

Possibilities of combining carl zeiss lenses with mutar converters for use with contax SLR camera system

with digital results maybe be different. the day will come when i will check this out. also have a kenko newest version from that time decades ago.


PostPosted: Wed Oct 16, 2019 7:07 am    Post subject: Reply with quote

Rolf wrote:
Thank you for the link. That was the information I had before. Question is, what is "2 = possible combination but with optical limitations" ?

I thought that you have had some experiences with that. It seems that the Mutar II is much more expensive than the M I.

Wink

very strange you are asking. what else is optical limitations other than image-quality-limitations. try it out.
The Mutar II is not the better one but for other lenses. check the chart. Mutar II is for lenses 135mm upwards(ecept 200/3.5(Mutar I-ready)
also Mutar II for the zooms with limits for 70-210. 35-135 also has limits incl.vignetting-