https://www.microscopyu.com/tutorials/workingdistance

Microscope objectives are generally designed with a short free working distance, which is defined as the distance from the front lens element of the objective to ...

https://www.vision-systems.com/cameras-accessories/article/16735776/understanding-fundamentals-of-imaging-lenses

FOV = 2 × (working distance × tan [θ/2]). whereθ = the angular FOV of the lens for a specific imager size. Imaging-sensor formats:The aspect ratio for many ...

https://www.edmundoptics.com/resources/application-notes/imaging/understanding-focal-length-and-field-of-view/

Learn how to understand focal length and field of view for imaging lenses through calculations, working distance, and examples at Edmund Optics.

https://www.the-digital-picture.com/Photography-Tips/how-to-calculate-lens-working-distance.aspx

By lens working distance, I am referring to the distance from the end of the lens ( or the end of the lens hood if in place) to the subject. This is the amount of space  ...

https://www.olympus-ims.com/en/microscope/terms/working_distance/

The distance between the front edge of the objective lens and the specimen surface (with the surface of the cover glass in case of the cover glass objective lens) ...

https://www.vision-doctor.com/en/optical-calculations/calculation-working-distance.html

The often wanted, so-called "free working distance", from the test object to the front surface of the lens can only be calculated by specifying the position and ...

https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=9922

http://www.dslrbodies.com/lenses/macro-information/macro-lens-working-distance.html

Nov 4, 2018 ... Working Distance is the measurement from the front of the lens to the subject. It does not include lens hood; it's the measurement from the focus ...

http://www.microspectra.com/support/usefulformulas

It is the distance between the nearest object plane that is in focus and the farthest ... The Working Distance (WD) of an objective is the distance from the front lens ...

http://www.iiviinfrared.com/resources/lens_reference.html

The non-physical plane position varies with the lens design and cannot be located from visual inspection. The back focal length (BFL) and working distance  ...

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