Tag Archives: entrance pupil

Entrance Pupil Measurement of the Voigtlander 10 mm

The Voigtlander 10 mm lens does not come with any manufacturer data regarding the position of the entrance pupil. However, being an extreme wide-angle lens the entrance pupil must be very close to the front of the lens. Following the … Continue reading

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Measuring the Entrance Pupil Of the Zeiss Loxia Lens Series

This article is to support the entrance pupil measuring technique outlined in Measuring the Entrance Pupil. Zeiss provides entrance pupil data for the Loxia 21, 35, 50, and 85 mm lenses- see the Zeiss EP data in Table 1. Zeiss gives … Continue reading

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Measuring The Entrance Pupil

Introduction In The Entrance Pupil And Its Importance,  it was demonstrated that a requirement for high-quality image stitching was knowing the position of the entrance pupil. How do you find the entrance pupil? An educated guess will sometimes suffice, as the … Continue reading

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