C100: c100mkii compatibility with 18-135 nano usm

G

Greg Hughes

Active member
Hi everyone.

Has anyone any experience with canons new 18-135 nano usm? Especially with the c100 or c300?

Things I need confirmed:

Face tracking
Peripheral illumination
Parafocal
Also the pz attachment for zooming with cinema cameras.

If anyone can shed any info it will be greatly appreciated
 
It works fine.
Face tracking is pretty bad on the C100 II not matter what lens, though.
It's parfocal in that the focus motors maintain focus while zooming. If you do a crash zoom, it will take a while to catch up.
The PZ attachment only has two speeds and it always comes to an abrupt stop unless it has reached the end of the zoom range.
 
I have this lens (with PZ attachment) and use it regularly with my C100 Mark I. Though it's very useful for many situations, I have not found it to be parfocal. If I zoom in to set focus, when I zoom out it's not necessarily in focus.
 
Not parfocal, build quality is medicore, images are super soft for stills with my 80D although adequate for video. And that zoom, focus by wire delay thing is a PITA. Face tracking
and peripheral illumination work. The PZ thing is better than nothing but not in the same ballpark as a real cine servo like the CN-E 18-80 T4.4. You get what you pay for.
Mine was free with my C100 MKI back in the day, on a promo but I would never buy this lens separately unless I just needed a cheap, disposable zoom
 
Jaime Valles said:
I have this lens (with PZ attachment) and use it regularly with my C100 Mark I. Though it's very useful for many situations, I have not found it to be parfocal. If I zoom in to set focus, when I zoom out it's not necessarily in focus.
Click to expand...

That's a back focus problem not parfocality..
 
As far as i can tell, all of the stm and the nano usm lens uses focus by wire and the lens is programmed to maintain the same focus point while zooming. This focus point is entirely dependent on the programming and the back focus of the lens. If the cheap plastic mount has a screw loose or something, then the programming isn't going to be correct and the lens won't act like a parfocal lens while zooming. At a max aperture of f/5.6 on the long end, the depth of field is generally wide enough to accommodate issues in the lens construction.
 
You must log in or register to reply here.
Back
Top