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Gelatine Filters


DAVID LYDIATE 18 305
17 Jun 2007 3:47PM
What are Gelatine Filters?

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Carabosse 17 41.4k 270 England
17 Jun 2007 4:12PM
They are filters made from stuff taken from the insides of animals. So not vegetarian! Wink
cameracat 16 8.6k 61 Norfolk Island
17 Jun 2007 4:14PM
If they are anything like the ones I got with my SB800 speedlight, Then they are thin films that fit over the flash head to create various effects.

They are also quite soft, And scratch easily.

I believe there are much larger ones for use on studio lighting in a similar fashion.

Smile
Carabosse 17 41.4k 270 England
17 Jun 2007 4:15PM
No, lens filters can also be made of gelatine. I think the Lee range is.

Info on gelatine here.
mad-dogs 17 2.2k England
17 Jun 2007 4:24PM
Modern ones are likely to be polyester or polycarbonate rather than original 'gelatine'.

They were also made from acetate but were not suitable for higher temperatures. One of my Roscolene ones shot about five feet in the air and ended up as a shrivelled mess when I dumped full power through one of my flasheads from a powerpack.
User_Removed 16 17.9k 8 Norway
17 Jun 2007 4:34PM

Quote:... lens filters can also be made of gelatine. I think the Lee range is.









Where's my tin 'at!!! I'm outa here!!!

Wink
Carabosse 17 41.4k 270 England
17 Jun 2007 4:35PM
Why? Are they made of plastic? Smile

Actually they are resin, come to think of it. Sorry to cause panic! Wink
DAVID LYDIATE 18 305
17 Jun 2007 4:37PM
The ones I am refering to are used for lenses and the word Gelatine is refered to regarding filter size instead of a number in mm, what use are they, what advantages do they have over screw in type? and thanks for the science lesson everyoneSmile
mad-dogs 17 2.2k England
17 Jun 2007 4:38PM
Some early filters were made by sandwiching gelatine between two pieces of glass.

The ones you refer to are most likely the Kodak / Wratten colour correction filters which were originally made from gelatine but more recently made from polyester.
Lee Camera Control filters are a modern version.

Kodak Wratten
User_Removed 16 17.9k 8 Norway
17 Jun 2007 4:52PM
Phew! Wink

LOL!!!!

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