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I've just stumbled onto this thread. I think you have just about got the problem licked: cross polarisation is the way to go. When I did this for a living I used Strobe strips either side of the artwork and when necessary applied gels to plane-polarise the light source, using the filter on the lens...

For those of you who might be interested, the 48 x 51cm polarizing gels produced by Rosco come with an info. sheet from which the following extracts are taken. Quote - " To cross polarize, place the gels in front of the lights so that their axes are pointed in the same direction.....place the lights...

Hello,

Thanks to a link in this thread, I have been made aware of a portable darkroom tent and table.

Has an forum member used these items and if so, how do they rate them?

Peter

Good Day ..... Charles, Thanks for your interest, I will keep you informed as to how things go. I understand that using polarizers to reduce specular reflections from the shiny surface/s of metal is not possible. For what it's worth, in the far distant past when I faced similar problems (not geologi...

Dennis, I've done it again! Please forgive me for calling you Frank.

The tablets have clearly failed to have an effect!

Peter

Thanks for your advice Frank. I agree but.......... I have considered using daylight outdoors with the painting facing North. However, I have decided against this since we can't, in this country, rely on a contant level/colour temperature of illumination and/or indeed the weather! Photography indoor...

Hello again Keith,

Please accept my apologiesfor my error in calling you Frank.

I will start taking the tablets again!!!

Peter

Thanks for responding Frank, I have a 105 polarising filter for the lens and I found a Cambridge based supplier of a polarizing gel for the lights (it's dimensions would necessitate my buying quantity two) which at £68 each is a lot of dosh! I will wait to see whether any other knowledgeable members...

Hello to all Forum members, As a new member, I'm a trifle late with an introduction since I posted my first thread just a couple of minutes ago. My love of photography spans some 60 years (glass plates) so some might say that I am a bit long in the tooth to regain my love of LF photography! One of t...

Hello to all, This is my first posting as a new member so a short introduction might be appreciated. I am a Senior Citizen (73 years young) wth a renewed passion for LF photography using a recently acquired 5x4 MPP monorail and a Tachikara. An artist friend has asked me to photograph his work which ...