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DIY Ultraviolet PhotographyModifying cameras, building lenses, and selecting filters to see like the bees David Prutchi

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Penetration of light vs. wavelength

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Photography in the IR, visible, and UV

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Visual response of humans and bees

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Human Eye vs. Camera Sensor Response

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

DSLR camera anatomy

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Regular borosilicate glass is OK for near-UV

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Camera lenses are coated to cut UV

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Visible light photograph Near-UV photograph

©2018

Dav

id Prut

chi, P

h.D.

Dedicated UV lenses are SUPER expensive

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Some older prime lenses are uncoated

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

Photo enlarger lenses are transparent to near-UV

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVEDPhoto credit: Science Photo Library. Fair use claimed. Image credit: unknown. Fair use claimed.©20

18 D

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i, Ph.D

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Enlarger lenses are great for near-UV photography

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

IR cutoff filter (ICF), antialiasing filter, microlens array, and Bayer color filter array

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

IR short-pass filter needs to be stacked

with UV filter

©2018

Dav

id Prut

chi, P

h.D.

Baader Planetarium U-Filter 2”(Venus, Ultraviolet, ZWL 350nm) - $387

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Composition and focusing must be done in live-view through LCD sceen©20

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avid

Prutch

i, Ph.D

.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

“Bug Vision” filter stacks

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

How do you add a sense that you don’t have?

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Some insects and birds are tetrachromats

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Near-UV photography in forensics and quality control

Images courtesy of Stephen C. Warlen, M.S., Forensic Consultant. With permission.

Images courtesy of Dr. Austin Richards, Oculus Photonics. With permission.

©2018

Dav

id Prut

chi, P

h.D.

Collodion photography isUV photography

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Hiram Bingham, 2013

2016

©2018

Dav

id Prut

chi, P

h.D.

©2018 David Prutchi, Ph.D., ALL RIGHTS RESERVED

Find more about near-UV photography in my book or by visiting UVIRimaging.com

THANK YOU!All images © David Prutchi, Ph.D. unless noted.

©2018

Dav

id Prut

chi, P

h.D.

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