Susan B. Anthony
Jun 26, 2014 03:26:15 #
Is there a way to tell what the ratio is between a subject and what is recorded on a digital camera's sensor? I have been told that if I set my macro 105mm lens to the closest focus point and then move the camera in and out, that when the subject is in focus the ratio is 1:1. I have three examples of closeness in this post. The first is a macro 105mm lens. Should be 1:1. The second is the macro 105mm and a number 1, 2 and 4 magnifying lenses. What is this ratio? The third picture is the second picture with a little cropping. What is its ratio?
Macro 105mm lens, at closest focus point
(Download)
Macro 105mm lens, with #1, 2, 4 magnifying lenses at closest focus point
(Download)
Second picture with a bit of a crop
(Download)
Jun 26, 2014 04:17:34 #
Photomacdog wrote:
Is there a way to tell what the ratio is between a... (show quote)
Take a picture of a ruler
Jun 26, 2014 04:21:13 #
Jun 26, 2014 17:35:17 #
Nikonian72 wrote:
Thanks for the info Nikonian. I know we have gone over this before, this additional info makes the subject a lot clearer.FAQ: How to Document Field-of-View of a Macro Lens
http://www.uglyhedgehog.com/t-36370-1.html
http://www.uglyhedgehog.com/t-36370-1.html
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