Hi, I am going to the studio later today shooting two persons, wide open, with a 150 mm. I want to go closer, so I need to make the bellow longer and therefore compensate with more light. I am shooting with a sinar, bw 400 iso. My question is, if I make the bellow 300 mm long, how much light do I need yo compensate? One f-stop, two? Thanks for all help, best regard Martin
If you use a 150mm lens at 300mm bellows extension your plane of focus (subjects) will also be 300mm in front of the lens and the image will be life size. I am not sure this is what you want to do to photograph 2 subjects.
Hi, i really have troubles understanding this. if anyone can show me this in an easy way, please do.
But i shot the models seperatly, and here is the result
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