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Same Focal Length / NOT same angle of view ?? Panasonic 14mm, Olympus 12-40

Started Jul 5, 2015 | Questions thread
Guy Parsons
Guy Parsons Forum Pro • Posts: 40,000
Re: Same Focal Length / NOT same angle of view ?? Panasonic 14mm, Olympus 12-40
1

Internal focus lenses change focal length as they focus closer, so the only valid test is at infinity to compare framing.

Even then it would be wise to find the nodal point of each lens and move the camera back or forward to match the nodal point position when changing lenses.

Regards...... Guy

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