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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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DENSITOMETRY & SENSITOMETRY x PHOTOGRAPHIC DENSITOMETRY x PHOTOGRAPHIC SENSITOMETRY x SENSITOMETRY xx LIGHT METER xx PHOTOGRAPHY Buyer's guide to densitometers. How to use your behind-the-lens camera light meter in place of a densitometer when determining a Zone I density of .08 to .10. This measurement must be made in order to adjust the ASA rating of your film to a more correct value. Mastering the H&D curve. Part 1. An introduction to black & white film sensitometry. Mastering the H&D curve. Part 2. Determining exposure index by film sensitometry methods. Mastering the H&D curve. Part 3. Matching printing paper grades to negative contrast. Use of sensitometry methods to select black-and-white printing paper grades. Paper contrast perplex. Accurately grading b&w papers. How paper sensitometry works. In defense of sensitometry. How a knowledge of practical sensitometry will help a photographer. The future of personal densitometry. What is available in multifunction densitometers and color analyzers and tips on their use. How to use the Beseler/Minolta 45A enlarging light source and analyzer to measure b&w transmission densities. Color printing without guesswork. Foolproof, universal system is soundly rooted in the sensitometric characteristics of film, paper and processing, but requires no densitometer. How to perform a series of calibration tests. Part 1. Sensitometry primer. Sensitometric testing of film and paper in the personal darkroom using relatively inexpensive equipment. Part 1. The numbers and graphs. Color printing without guesswork. Part 2. Principles of calibration. Sensitometry primer. Part 2. Paper testing and calibration. Tip on testing a used densitometer with a stepwedge. Color printing without guesswork. Part 3. Program correction and exposure considerations. Sensitometry primer. Part 3. Film testing procedures. Densitometry and the Beseler/Minolta 45A enlarger light source. Two methods for using the analyzer section of the 45A as a transmission densitometer. Tips on making VIN internegatives using the 45A. Sensitometry primer. Part 4. Analyzing the curves for Zone system data. Color printing without guesswork. Part 4. Converting your color analyzer to make color reflection readings from your test prints. Color printing without guesswork. Part 5. Precision exposure control. Sensitometry primer. Part 5. The incident system. Using an incident meter and a gray card to determine proper exposure. Use an enlarging exposure meter and a calculator having a log base 10 function to eliminate the need for a conventional densitometer when making film/developer tests. Applying sensitometric controls to making duplicate or enlarged negatives and platinum prints. Confessions of a color printer. An abbreviated technical history of research which led to the Bertram W. Miller method of color printing. Part 5. Applying sensitometry to black-and-white printing. Sensitometric tests of black-and-white papers. Basics and background concepts. An analysis of the new ISO standard for determining speed for black-and-white film. The numbers game. There's more than one way to plot a paper curve. Controversy surrounding the "science" of sensitometry when applied to photographic papers. The zone system, improved. How to use sensitometry to take trial-and-error out of matching negatives to the paper. Color curve crossover. An introduction to color densitometry. Sensitometry, a tutorial paper on how sensitometry controls the individual elements of a camera-film-process-print systems to ensure day-to-day uniformity. Color film densitometry. Understanding film characteristics and the factors which affect readings. Part 1. Chart a course to quality. Investing in a densitometer can provide invaluable returns in monitoring photographic processing. Some tips. Assembling your own densitometer, like the Science & Mechanics' light meter/densitometer, will give you a valuable darkroom accessory. How to build an inexpensive densitometer. Part 1. Uses the Gossen Luna-Pro light meter as the measuring device. Light box with a lamp dimmer switch provides illumination for the film being tested. Est. cost: $12. How to build an inexpensive densitometer. Part 2. How to calibrate the unit and make density readings. Talking tech #13. Densitometry oversimplified. How to make your own densitometer for evaluating YOB System negatives. A controlled light source, a 1-degree spot meter and a simple wooden mount form the basics of the densitometer. Build your own sensitometer for use with your densitometer in evaluating negatives made with the YOB System. This sensitometer prints step wedges on 35mm, 120 and 220 rolls and on sheet film. Article also tells you how to make your own neutral-density filters from photographic film. How to use your YOB sensitometer for printing step wedges. Use these wedges to plot H&D curves as described in "The YOB System. Part 6." (July 1979). Simple sensitometry. Part 1. Practical applications as it applies to the YOB System of photography and to the classical approach. Simple sensitometry. Part 2. Calibrating the sensitometer, making and reading conventional plots, determining the ASA of film, etc. How to build and use a reflection densitometer. Part 1. Making the meter module. How to build and use a reflection densitometer. Part 2. Making the transformer and dimmer modules. How to build and use a reflection densitometer. Part 3. Calibrating the instrument. How to build and use a reflection densitometer. Part 4. Practical applications. Simple sensitometry. Works for both b&w and color negatives and the process is carried out in the light. How to determine film development times that will give dependable results. Densitometers. The essential ingredient for accurate color process control. Tip on operating the densitometer and a sampling of current models. Understanding H&D curves (those graphs which represent how a given emulsion records tone values when developed under specific circumstances). Why you need a densitometer. An introduction to an important instrument in understanding black and white photography. Part 1. What a densitometer is, how it works, and how to use it in b&w printing. Why you need a densitometer. An introduction to an important instrument in understanding black and white photography. Part 2. How to get a perfect negative for printing on a middling grade of paper. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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