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Forum: Lens Clubs
10-12-2010, 04:35 PM
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Forum: Lens Clubs
10-12-2010, 12:22 PM
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This appears to be the most appropriate place to ask this question. I understand that the minimum magnification I can expect from one of these adapters is calculated as diopters * focal / 1000. Putting a Raynox DCR-250 on a 105mm lens results in 8 * 105/1000 = 0.84x
But what if that lens is already a 1:1 macro? (Namely the Vivitar Series 1.) Does anyone have a formula for calculating the resulting magnification? Any examples of the resulting images with this combo?
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