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New G7x II - macros ugh ugh ugh Locked

Started Mar 30, 2017 | Discussions thread
This thread is locked.
tokumeino Veteran Member • Posts: 3,175
Magnification

I don't own a GX7 II yet, but I placed my order and I intend to perform casual macro (or at least close-up). So I looked for information before buying.

Firstable, you should read https://www.dpreview.com/forums/post/54597516 :

  • the max magnification is not at wide angle (WA) but mid range (42mm FF equivalent, where the lens is sharp). Here, the magnification is 0.25:1, which is no "macro", but rather a decent "close-up" starting point, especially given the camera format.
  • WA, you only reach 0.15 even if the focussing distance is shorter here.

Importantly, you should avoid large apertures. In the macro world, DOF is really tiny and usually, what you want to do is closing your lens as much as possible, rather than the opposite.

And if you want to play a little more, you should invest in a small close-up filter. With a Raynox 250 (+8 D), you reach a magnification of 0.4:1 while keeping an equivalent FL of 40mm ! With a +10D filter, you reach 0.45:1. See here for a simple calculator.

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