>Here is the next post about Macro photography series. This post is about true macro lenses. I will try to help you choose the best lens for your purpose.

True macro lenses differentiates from the usage point of view. If you ask me I will classify the lenses from the focal length, magnification ratio and internal focus point of view.

There are some old macro lenses that are still used today altough they are not true 1:1 lenses. But first let me answer a question... Why is so important the focal length since the DOF is the same at the same magnification ratio?

Focal length

Well, the focal length gives you the Working Distance. Let's take for example short focal length lenses like 35mm Tokina F2.8, 40mm Micro Nikon 2.8, 50mm Canon F2.8, 50mm Sigma F2.8, 60mm Tamron F2.0 etc. They all have in...

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