Research, Findings, and Photographic Tidbits

• Comparison of glass vs glassless negative carriers

• Formula for figuring precisely how many stops between shutter speeds

• Picture list from a wedding photographer  (Acrobat pdf file)

• Enlarger exposure calculations

• Gray Card musings

• Zone System definitions (Acrobat pdf file -this one is big so download it first, then open it in Acrobat viewer)

• USAF Resolution Test Chart (Acrobat pdf file)

• Photo of 6" Ilford Multigrade filters that appear to be mislabeled

• Some experiments using a color analyzer for reading filtered light My 2nd clue that Ilford contrast filters are mislabeled.

• Paper contrast chart using different filters under an Aristo V54 cold lamp (Acrobat pdf file)

• A chart showing various camera exposure settings for tricky light (Acrobat file, info from Kodak)

• A paper outlining various processes for printing on ceramic (Acrobat pdf file)

• My printing methods using hand-coated Platinum/Paladium sensitizers

• Fixing front focus problems in a Leica M camera caused by improper film location

• One method to block light from darkroom windows

• Improving the mechanical action of Omega DII or D2 enlargers using new bearings

• A homemade filter drawer for a cold light equipped Omega DII enlarger

• Ansco 120 low-contrast paper developer

• A sensitometric comparison between Ilford MG and Kodak PolyMax papers at low contrast.

• A history of Deardorff cameras as told by Mr. Merle S. Deardorff

• Contrast chart for Ilford Multigrade using Ansco 120 and Dektol developers and a V54 cold light (Acrobat pdf)

• An optics primer (6 page Acrobat pdf)

• Light meter story in Darkroom Techniques magazine, March/April 1995 - Part I, Response Linearity (Acrobat pdf file)

• Light meter story in Darkroom Techniques magazine, May/June 1995 - Part II, Flare Sensitivity (Acrobat pdf file)

• Light meter story in Darkroom Techniques magazine, July/August 1995 - Part III, Infrared Influence (Acrobat pdf file)

• Story in Photo Techniques magazine comparing single coated vs. multi-coated 40mm f/1.4 Voigtlander Noktons (Acrobat pdf file)

• The Porta Vu 45 view camera kit - my first view camera

• PDF of pre-WWII Kodak Recomar camera owner's manual

• Effect of Fresnel lenses on ground glass focus (July/Aug-Sept/Oct 1980 Camera Craftsman article by Jerry M. Harris, Columbus, Ohio)

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