Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
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For questions pertaining to photographic filters, which are usually glass or plastic accessories that are either screwed onto the lens or otherwise added in the optical path.

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Shifting the range of an IR camera?

I have a FLIR One IR camera. Works fantastic, but it does top out at 100ÂșC. Are there filters available that filter a set amount of IR energy to effectively shift the range of sensitivity? I.e. ...
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216 views

Where can I find (plastic) IR-cut filter material?

Is there any supplier of IR cut filter material? I.e., material that will block IR as opposed to allowing it to pass through? Preferably plastic, as I would like to be able to cut and shape it as ...
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1answer
151 views

Is there a way to replicate the look of Allen-Khondji Midnight in Paris and To Rome With Love?

I was wondering is there a way to achieve the look of Woody Allen's films Midnight in Paris and To Rome With Love, for which the director of photography was the Iranian-French cinematographer Darius ...
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1answer
56 views

Source for colored Wratten filters?

I need 13 different Wratten gelatin filters to use in some research in anatomy and I need a specific spectrum of light filters. I need #'s 3, 9, 15, 16, 21, 24, 25, 29, 44, 53, 58, 98, and 31 or 32. ...
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95mm circular polarizer: B+W, Sigma, or other?

I'm looking for a high quality circular polarizing filter to fit a Sigma 150-600 zoom lens with a 95mm diameter, and the options at this size seem somewhat limited. Notably, the Hoya Pro1 CPL that's ...