What is wrong with this picture

Started 8 months ago | Discussions thread
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ultimitsu
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What is wrong with this picture
8 months ago

1, Without the knowledge that you may or may not have about equivalence, does this table give you the impression that the first lens is comparable to a 39mm F1.9 lens, the second lens is comparable to a 23-69 F2.8-F4.5 lens, and the third lens is comparable to a 69-207mm F2.8 lens?

It certainly gives me that impression. But those of us who understand the basic physics behind it knows that they are in fact comparable to a 39mm F8.7, 23-69mm F12.9-F20.7 and 69-207mm F12.9.

2, Do you think the way that DPR presence the information in the above picture is misleading?

I think it is.

3, Do you think DPR should place the "Max aperture" column next to Focal Length Column and the "Equivalent FL" column should be renamed "Equivalent FOV and DOF", and in that column the equivalent F-ratio should be included?

I think they should.

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