curious question

[dvpixl]

Just became curious about a specific question and wondered if anyone or Timur can help me out.

Can cameras like HDW f950 or varicam with their specialized lenses such as Primo Digital lenses that were used for STARWARS be compared to the performance of a 35mm cinema lens or that of RED's performance with a simple SLR 35mm lens?
Or are they a different breed altogether?

I had always thought that somehow cinema lenses were able to stick onto these 24p cameras on their bayonets or tailored to do so somehow- because the lenses were so big in those BTS photos.... but I guess I was ignorant.

And that made me wonder- at first- why a ground glass and all the vibrating was necessary.

But I did wonder why all the new STARWARS films had these video-ish, flat look to them. Something wasn't right. And it wasn't just because it was digital.

So without these adapters, is there no other way of using 35mm optics onto 1/3 or 2/3 chips and get the "35 look" - unless you had one of the many digital cinema cams out today (RED, Genesis, Arri-D) that have 35mm sensors?

i may have gotten my info all jumbled.... still learning I guess.

sorry. it's a frustrating question.

thanks in advance.

 

[davide]

Just became curious about a specific question and wondered if anyone or Timur can help me out.

Can cameras like HDW f950 or varicam with their specialized lenses such as Primo Digital lenses that were used for STARWARS be compared to the performance of a 35mm cinema lens or that of RED's performance with a simple SLR 35mm lens?
Or are they a different breed altogether?

I haven't used the Digital Primo lenses, but I would venture that Panavision wasn't slouching when they designed them. They are 2/3inch lenses though and would deliver something like 2.5 times the depth-of-field of a 35mm lens at the same f-stop. So I'd say they are something of a different breed in that regard. But I read that Panavision compenstated for this by adjusting the apertures of the digital primos.

The DGA has a brochure that talks about that here: http://64.233.167.104/search?q=cach...es+2/3&hl=en&ct=clnk&cd=1&gl=us&client=safari

I don't know of any way of properly getting a 35mm lens on a 1/3inch or 2/3 inch camera without an adapter with a groundglass. If you have a camera with an interchangable lens have you ever thought of designing a type of bellows or extension tube for its lens? I don't know if anyone has tried this, or if it would work. But if you could get something like this http://www.nikonians.org/html/resources/nikon_articles/other/close-up_macro/macro_8c.html on a JVC HD100 or Canon XL you should be able to get more shallow depth of field. I don't know if the electronic nature of these lenses would make something like this impossible--or too expensive to be worth it.