NPhoto - - Test Team -

Us­ing a stan­dard 21cm re­flec­tor, the an­gle of light­ing cov­er­age extends from 20 de­grees to 50 de­grees. Us­ing the 300W bulb, the max­i­mum light in­ten­sity equates to an aper­ture of f/2 in our test set-up, whereas a 650W bulb en­ables an aper­ture of f/3.2 – or a cor­re­spond­ingly faster shut­ter speed.

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