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Can you please help me understand how the Raynox 250 for macrophotography works?
Can you please help me understand how the Raynox 250 for macrophotography works? So i bought a Ttartisan 40mm f2.8 macro lens with 1:1 magnfiication, let's say i want to reach 2:1 magnfication with this lens. With extension tubes i should buy 40mm worth of extension tube to reach 2:1 is that correct? Instead how much will the raynox 250 affect my magnification? I read online that it depends on the focal lenght of the lens bu...
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