Zone Focusing and Hyperfocal Distance Setting on Modern and Vintage Lenses with Focusing Scales
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2 سال پیش
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Most vintage lenses and most
Most vintage lenses and most modern manual focus lenses include a set of focusing aids called scales. These scales were engineered to help photographers identify the range of content in their photo, as measured in either feet or meters from the front of the lens, that would be in focus based on the aperture. The scales allow photographers to accomplish two tasks: zone focusing and hyperfocal distance focusing.
Zone focusing identifies a zone of distances that are in focus based on a focal point and the selected aperture. The lens' scales allow photographers to decipher the zone when reading those scales. Hyperfocal distance is the maximum distance, from a close point to infinity, that a lens can have in focus at the smallest aperture (largest number.)
Zones and hyperfocal distances vary by lens focal length and, to an extent, by the specific optical design and flange focal distance of different lenses of the same focal length. All focusing scales work in the same basic manner, however. This video explains how to use focus scales to identify different zones of focus at different focal points and with different apertures as well as identifying how to set a lens to its hyperfocal distance.
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"Call Waiting" by Future Joust used under active license from Epidemic Sound at the time of this video's upload.
Zone focusing identifies a zone of distances that are in focus based on a focal point and the selected aperture. The lens' scales allow photographers to decipher the zone when reading those scales. Hyperfocal distance is the maximum distance, from a close point to infinity, that a lens can have in focus at the smallest aperture (largest number.)
Zones and hyperfocal distances vary by lens focal length and, to an extent, by the specific optical design and flange focal distance of different lenses of the same focal length. All focusing scales work in the same basic manner, however. This video explains how to use focus scales to identify different zones of focus at different focal points and with different apertures as well as identifying how to set a lens to its hyperfocal distance.
Join this channel to get access to perks:
@davidhancock
David Hancock's Amazon Author Page with Links to Select Camera Manual eBooks:
https://www.amazon.com/David-Hancock/...
My Instagram:
Instagram: davidhancock
"Call Waiting" by Future Joust used under active license from Epidemic Sound at the time of this video's upload.
2 سال پیش
در تاریخ 1401/02/22 منتشر شده
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