September 20, 2014, 12:11:06 PM

Author Topic: Why are Cine Lenses so expensive?  (Read 4150 times)

RGF

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Why are Cine Lenses so expensive?
« on: July 30, 2014, 12:28:51 AM »
Besides that they sell for the price, what does a Cine lens offer than a regular L lens does not?

Flip side - could a Cine lens be used as a still lens?  How sharp would it be?

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Why are Cine Lenses so expensive?
« on: July 30, 2014, 12:28:51 AM »

sagittariansrock

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Re: Why are Cine Lenses so expensive?
« Reply #1 on: July 30, 2014, 01:27:37 AM »
Longer throw for focus
Manual aperture ring
Both rings above accurately calibrated for distance and aperture, respectively
Better build quality, usually a bigger front opening
More aperture blades
No focus breathing (angle of view doesn't change with focus)
Parfocal (plane of focus doesn't change with focal length)

There might be some more differences, but AFAIK these are the main ones.
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keemikpoiss

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Re: Why are Cine Lenses so expensive?
« Reply #2 on: July 30, 2014, 02:14:03 AM »
I was looking into this same question recently and one possible additional benefit was the "consistent color balance" across the series of Cine lenses.  Apparently small color shifts may be noticeable in video when one switches a scene filmed through a 35 mm lens to a scene filmed through a 50 mm lens.  This aspect of course becomes important only if one has several Cinema lenses.  This is just based on what I read; I can't quite afford to buy a pair of lenses for $10K to test this out. 

From what I gathered from my research, for my specific needs the new EF 16–35mm f/4L IS would be a sufficiently good alternative to a much more expensive Canon CN-E 35mm T1.5.

ramius

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Re: Why are Cine Lenses so expensive?
« Reply #3 on: July 30, 2014, 02:54:56 AM »
Also consistent light transmittance. Ex, an aperture of T-2.2 on one lens will have the same amount of light as another at T-2.2. Calibrated precisely, like sagittariansrock said.


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Re: Why are Cine Lenses so expensive?
« Reply #4 on: July 30, 2014, 03:55:07 AM »
agree with all of above...

but to achieve consistency, construction quality, etc etc etc the biggest single cost to canon is not glass or metal but design.

pair this with low sales (very specialist market, likely to be a few bought by hire houses rather than many bought by private individuals - unlike say great whites that make rich amatuers look capable, cinema lenses actually make life more difficult in order to achieve optimum results - only the trained and expert need apply) makes for a high unit cost.

RGF

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Re: Why are Cine Lenses so expensive?
« Reply #5 on: August 04, 2014, 03:24:11 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

DRR

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Re: Why are Cine Lenses so expensive?
« Reply #6 on: August 04, 2014, 03:29:11 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

Probably won't even cover a full frame sensor area. So not only are there little if any advantages for still photogs, there's a number of disadvantages.


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Re: Why are Cine Lenses so expensive?
« Reply #6 on: August 04, 2014, 03:29:11 PM »

mustafaakarsu

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Re: Why are Cine Lenses so expensive?
« Reply #7 on: August 04, 2014, 03:36:57 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

Probably won't even cover a full frame sensor area. So not only are there little if any advantages for still photogs, there's a number of disadvantages.

Are you sure? Canon 1D C has a full frame sensor and produced for recording motion.

privatebydesign

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Re: Why are Cine Lenses so expensive?
« Reply #8 on: August 04, 2014, 03:44:43 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

No, none.

For the moving image there are many good reasons to use a collection, or set, of manufacturer movie lenses, for stills shooters none of it applies.
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pablo

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Re: Why are Cine Lenses so expensive?
« Reply #9 on: August 04, 2014, 03:46:43 PM »
Yes, but the 1DC is something of a chimera.

s35 has long been the base format for film shooting, which is closer to aps-c size (35mm film, but runs vertically as opposed to horizontally, so the height of a 35mm still frame becomes roughly the width of a 35mm movie frame.  Smaller image circle.

Look at the c100, 300 and 500.  All s35 sensors.  Not so called full frame.  Full frame is a nothing term.  s35 is full frame, just the orientation of the film is different.

takesome1

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Re: Why are Cine Lenses so expensive?
« Reply #10 on: August 04, 2014, 04:24:55 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

The fact you can afford to buy cine lenses and do buy them to take Still Photography will satisfy an underlying mental need to compensate for other inadequacies you may have. Much the same as buying large white lenses will for some.

RGF

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Re: Why are Cine Lenses so expensive?
« Reply #11 on: August 04, 2014, 05:01:40 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

The fact you can afford to buy cine lenses and do buy them to take Still Photography will satisfy an underlying mental need to compensate for other inadequacies you may have. Much the same as buying large white lenses will for some.

Not wiling to spend the $ on something which is at best, marginally better.  I'll take the $ and spend it on travel.  I don't own any Zeiss glass, so Cine glass is definitely out of the question.

Just curious ..

Policar

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Re: Why are Cine Lenses so expensive?
« Reply #12 on: August 04, 2014, 05:12:02 PM »
Besides that they sell for the price, what does a Cine lens offer than a regular L lens does not?

Flip side - could a Cine lens be used as a still lens?  How sharp would it be?

http://www.lensrentals.com/blog/2012/01/the-great-50mm-shootout

1/3 of the way down.

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Re: Why are Cine Lenses so expensive?
« Reply #12 on: August 04, 2014, 05:12:02 PM »

sagittariansrock

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Re: Why are Cine Lenses so expensive?
« Reply #13 on: August 04, 2014, 05:13:34 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

The fact you can afford to buy cine lenses and do buy them to take Still Photography will satisfy an underlying mental need to compensate for other inadequacies you may have. Much the same as buying large white lenses will for some.

Wonder where that came from!
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Dantana

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Re: Why are Cine Lenses so expensive?
« Reply #14 on: August 04, 2014, 05:35:10 PM »
which leads me to the next (obvious) question

Is there any advantage for Still Photographers to use cine lenses?

The one advantage I can think of is that with a cine zoom, you can zoom in tight to manually focus and then back off to your desired framing.
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Re: Why are Cine Lenses so expensive?
« Reply #14 on: August 04, 2014, 05:35:10 PM »