depth

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After all, stopping down the aperture increases the amount of depth of field and a tripod will also keep the camera still and free of movement and vibrations during long exposures.
The wider view
As to the picture, I wish I could claim to be a pro photographer, but the truth is I just followed some very good advice I was given years ago by someone who was definitely a pro--for excellent shots that are in focus and have great depth of field, there's only one rule: "f/16 and be there.
Rainier rescuers
The Extended Depth of Field (EDF) upgrade, currently in Beta testing at seven customer sites, has demonstrated up to a 10 fold increase depth of field allowing cellular structures to be imaged in crisp focus at positions well beyond the limitations of conventional imaging techniques.
AMNIS UNVEILS MULTIPLE UPGRADES TO IMAGESTREAM SYSTEM
But as professional photographers know, the wider the aperture, the less the depth of field.
Regaining the night: researchers push for advances in night vision technology
This multifocus technique, applied to the photography of small minerals in the millimeter range, can multiply the depth of field by a factor of ten or more and increase resolution substantially, resulting in a photo quality formerly unachievable.
Micromineral photography with multifocus processing
Operating a lens at a high f/stop restricts light rays to the central area of the lens and improves depth of field although the image may be very dim.
Seeing objects as they are: a better understanding of camera and lens characteristics will help to optimize your AOI application
Telecentric optics provide sufficient depth of field to enable single-focus measurement of cylinder forms and other solids with difficult.
Non-contact measurement
When dealing with substrates of varying thicknesses, choose a lens that allows the depth of field to increase.
Machine vision challenges: the key to success: flexibility with illumination and lens choice
The depth of field, and sometimes lack thereof, in the photographs reflects the disposition of the era.
Time of Change: Civil Rights Photographs 1961-1965
The effect of the SEMs finite depth of field was modeled by varying the convergence angle of the incident electron beam.
Monte Carlo simulations completed for sem resolution study. (General Developments)
Looking through a small pinhole increases the eye's depth of field and sharpens the vision.
Merit Optical Attachment
We positioned the laser with a helium/neon circular aiming beam, which allowed us to focus at a precise depth of field.
Laser-assisted myringotomy for otitis media: A feasibility study with short-term followup

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