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Angle of view for lenses of differing nominal focal length focused at same reproduction ratio

Started Jul 31, 2020 | Questions thread
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Sara Valentine Contributing Member • Posts: 976
Angle of view for lenses of differing nominal focal length focused at same reproduction ratio

Does the angle of view differ for two lenses of differing nominal focal length when the lenses are both focused on the same object, on the same axis of view, for the same reproduction ratio on the sensor?

Curious to learn if there are still AOV differences that might influence the choice between macro lenses with the capability of the same reproduction ratios but different nominal focal lengths (e.g. 90/100/105mm versus 150/180/200mm, or even 0.25X magnification that some zooms achieve at maximum zoom setting), not just working distance values. My question pertains to objects that are not flat fields.

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