3d lenses

[Lakis Amarantithis]

I was unhappy to discover that the markings in the Canon CN-E lenses T stop and Feet do Not match each set.

Any suggestions?

How are the s4's and other lenses on that respect?

 

[Jacek Zakowicz]

That is great news actually. Means that the lenses are individually calibrated. Very expensive , labor consuming process usually found in the top of the line lenses.
You need a control setup when you can setup custom offsets for pairs in a master/slave configuration.

 

[Ketch Rossi]

As Jacek said it is good news indeed Lakis, and is well know to any experienced 3D DoP that you must Match/Calibrate your own set of lenses... Unless you buy a DP 3D kit oz Angenieux Rouge zooms, which come as such calibrated and paired by the manufacturer.

Even Master Primes and so Summilux Cine Primes and more so any other lenses need to be also Match Paired and calibrated for 3D use.

To go a little further on this note, as an example it looked us 5 sets of Ultra Primes to finally Match one full set of the Pair, while it tuck only 3 sets of the Master Primes...

But Matching the set is no enough, they still need to get Calibrated for 3D.

 

[Björn Benckert]

You need a good focus system that can create an offset curve for each lens so that they match up. Mark roberts flair does such and I guess there is a lot of others that does the same.

 

[Lakis Amarantithis]

Wow!!
Jacek, Ketch and Bjorn thank you very much for your so explanatory answers! I really appreciate your advice.
Thanks again.