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I'm travelling to the US in September and hope to enlighten a very good friend of mine on the practise of BTZS.
My dilema is that he only has a cold light head enlarger and that is a beast I have not used for any form of testing.
His timer is accurate enough and he has indicated he can use one channel only. Green I think.
I printed with his enlarger last year and it seemed to me to be very dull compared to my Omega D2 condensor so I'm concerned about not having enough light to get a PSP.
If anyone has used, or uses a cold light head for testing could you give me a detailed run down on anything I need to be aware of?
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