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PHOTOGRAPHIC ENLARGER LIGHT SOURCE entries in Index to How To Do It Information
Norman Lathrop Enterprises  
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

PHOTOGRAPHIC ENLARGER LIGHT SOURCE
xx   PHOTOGRAPHIC ENLARGER

Build an electronic focus booster. An inexpensive way to increase the effective maximum aperture of your enlarging lens by one stop for more accurate focusing. Easily switch between 75-watt exposure level and 150-watt output for focusing.
CAMERA & DARKROOM Mar 1991 (v.13#3) pg. 65

Tips on eliminating the hot spot in the middle when using an SP-2 Elwood enlarger.
CAMERA & DARKROOM Jul 1992 (v.14#7) pg. 8

Starter settings for making test prints with the 45A Beseler/Minolta Light source.
CAMERA & DARKROOM Sep 1992 (v.14#9) pg. 6

Build a lamphousing that converts a Bender 4x5 view camera into an enlarger.
CAMERA & DARKROOM Jan 1993 (v.15#1) pg. 12
Correction CAMERA & DARKROOM Apr 1993 (v.15#4) pg. 5

Condenser vs. diffusion. Experiments with using the low-wattage, Osram fluorescent bulb as an enlarger light source. Includes tips on fitting the bulb to a condenser-style lamp housing.
CAMERA & DARKROOM Mar 1993 (v.15#3) pg. 68
Added Info CAMERA & DARKROOM Sep 1993 (v.15#9) pg. 4

Quickie enlarger test. Testing for alignment, dirty condenser, and uneven illumination.
CAMERA & DARKROOM Nov 1993 (v.15#11) pg. 18

User test of the Aristo Cold-Light Enlarging head, plus tips on getting good enlargements from cold lights.
CAMERA 35 Oct 1975 (v.19#7) pg. 54

Profile of the Ilford Multigrade 400 system combining special enlarger heads with variable contrast printing papers.
CAMERA 35 Feb 1980 (v.25#2) pg. 68

Enlarger light sources. Making an informed choice of light source for black-and-white enlarging. A comparison between diffuse and condenser light sources.
DARKROOM & CREATIVE CAMERA TECHNIQUES Jul-Aug 1987 (v.8#4) pg. 36, 40
Added Info DARKROOM & CREATIVE CAMERA TECHNIQUES Nov-Dec 1987 (v.8#6) pg. 2

Modifications to the Omega D2 enlarger include the adaption of a Dichro II lamphouse by means of a special bracket.
DARKROOM & CREATIVE CAMERA TECHNIQUES Nov-Dec 1987 (v.8#6) pg. 73

Tips on using the Beseler/Minolta 45A light source to print Cibachrome material.
DARKROOM & CREATIVE CAMERA TECHNIQUES Jan-Feb 1988 (v.9#1) pg. 18

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.
DARKROOM & CREATIVE CAMERA TECHNIQUES Jul-Aug 1988 (v.9#4) pg. 19

Modifying the Beseler/Minolta 45A enlarging light source for black and white printing.
DARKROOM & CREATIVE CAMERA TECHNIQUES Mar-Apr 1989 (v.10#2) pg. 6

Comparison of point source, cold light and electronic-flash light sources.
DARKROOM & CREATIVE CAMERA TECHNIQUES Nov-Dec 1989 (v.10#6) pg. 16

Techniques for using the new Beseler/Minolta 45A light source with premium variable-contrast black-and-white papers.
DARKROOM & CREATIVE CAMERA TECHNIQUES Jan-Feb 1990 (v.11#1) pg. 58

Variable-constrast printing light sources. Looks at both commercial products and do-it-yourself modifications.
DARKROOM & CREATIVE CAMERA TECHNIQUES Mar-Apr 1992 (v.13#2) pg. 23

Tips on choosing between a diffusion or condenser enlarger.
DARKROOM & CREATIVE CAMERA TECHNIQUES May-Jun 1992 (v.13#3) pg. 21

Tips on exposing variable-contrast papers using cold-light heads.
DARKROOM & CREATIVE CAMERA TECHNIQUES Sep-Oct 1995 (v.16#5) pg. 20

Techniques for calibrating a Beseler Dichro 45S color head for use with variable-contrast b&w paper.
DARKROOM & CREATIVE CAMERA TECHNIQUES Sep-Oct 1995 (v.16#5) pg. 21

Tips on acquiring 6x7cm condensors for the Phillips PCS 130 enlarger.
DARKROOM & CREATIVE CAMERA TECHNIQUES Sep-Oct 1995 (v.16#5) pg. 24

Tip: Proper way to test light output of an enlarger head.
DARKROOM PHOTOGRAPHY Jul-Aug 1980 (v.2#4) pg. 10

Comparison of condensor heads and cold light (fluorescent) heads in making photographic enlargements.
DARKROOM PHOTOGRAPHY Jan-Feb 1981 (v.3#1) pg. 71

Point source light for enlargers. Includes tips on making your own point source lamp housing from a coffee can and a 12-volt auto bulb.
DARKROOM PHOTOGRAPHY May-Jun 1982 (v.4#4) pg. 65

Add a dimmer switch to your photographic enlarger to provide longer exposure times when working with thin negatives or making small prints.
DARKROOM PHOTOGRAPHY Nov 1982 (v.4#7) pg. 70

User comments on using the point-source enlarging light.
DARKROOM PHOTOGRAPHY Feb 1983 (v.5#2) pg. 50

Condenser vs. diffusion. Which enlarger illumination system is right for your b&w printing?
DARKROOM PHOTOGRAPHY Sep-Oct 1983 (v.5#6) pg. 60

Tip: Enlargers with spring-loaded, socket-inserted bulbs can be operated on 12-volts when equipped with an automobile tail light bulb. Ideal for a portable darkroom.
DARKROOM PHOTOGRAPHY Oct 1984 (v.6#6) pg. 15

Tip on converting you condenser enlarger to a "diffusion" enlarger using a piece of frosted acetate.
DARKROOM PHOTOGRAPHY Jul-Aug 1985 (v.7#4) pg. 11

Tip: Extend photo enlarger bulb life by using AC-to-DC current converter "buttons".
DARKROOM PHOTOGRAPHY Jan-Feb 1986 (v.8#1) pg. 8

How to use an ordinary light bulb as a temporary replacement for an enlarger bulb.
DARKROOM PHOTOGRAPHY Jan-Feb 1988 (v.10#1) pg. 18

Build an enlarger-lamp voltage controller for black-and-white photographic printing. Est. cost: $35.
DARKROOM PHOTOGRAPHY Jan-Feb 1988 (v.10#1) pg. 55

Taking things for "granite". Three photographic myths are exposed using research and/or simple tests. (1) Depth of field and focus. (2) Enlarger light sources. (3) Print dry-down.
DARKROOM PHOTOGRAPHY Mar 1989 (v.11#3) pg. 12
Correction DARKROOM PHOTOGRAPHY May 1989 (v.11#5) pg. 56
Added Info DARKROOM PHOTOGRAPHY Jun 1989 (v.11#6) pg. 5

Light quest. Black-and-white without cold light. The light source of a well-made color head proves to be a superior alternative to a cold light head.
DARKROOM PHOTOGRAPHY Apr 1989 (v.11#4) pg. 14
Added Info DARKROOM PHOTOGRAPHY Jul 1989 (v.11#7) pg. 4
Added Info DARKROOM PHOTOGRAPHY Sep 1989 (v.11#9) pg. 5
Added Info DARKROOM PHOTOGRAPHY Oct 1989 (v.11#10) pg. 6
Added Info DARKROOM PHOTOGRAPHY Jan 1990 (v.12#1) pg. 4

Adventures in color printing. Installing and using the Beseler 810 light source designed to allow printing of 8"x10" negatives on a 4"x5" enlarger.
DARKROOM PHOTOGRAPHY May 1989 (v.11#5) pg. 51

Dandruff in the dark. Exploring the relative visibility of negative dust with various enlarger light sources.
DARKROOM PHOTOGRAPHY Sep 1989 (v.11#9) pg. 53

Tips on using a color head to expose variable contrast (VC) fiber-base B&W papers.
DARKROOM PHOTOGRAPHY Jan 1990 (v.12#1) pg. 6

Build a lamp dimmer control for your photo enlarger.
DARKROOM TECHNIQUES Dec 1980 (v.1#4) pg. 56

Brief overview of methods for regulating AC voltage to a photographic enlarger.
ELECTRONICS NOW Feb 1996 (v.67#2) pg. 9

Voltage regulator for photographic enlarger lamp.
ELECTRONICS WORLD Sep 1969 (v.82#3) pg. 72

Make your own point light source for a condenser enlarger. Tips on construction and use.
INDUSTRIAL PHOTOGRAPHY Sep 1973 (v.22#9) pg. 14

Enlarging without electricity. Uses flashbulbs as a light source for "emergency" printmaking.
MECHANIX ILLUSTRATED #421 Jun 1963 (v.59) pg. 114

How to choose a voltage regulator for your photographic enlarger.
MODERN PHOTOGRAPHY Jun 1980 (v.44#6) pg. 10

Tip: Reversing the orientation of tungsten-halogen bulbs in your color enlarger can contribute to color errors. Other light source problems and their solutions are discussed.
MODERN PHOTOGRAPHY Aug 1981 (v.45#8) pg. 20

Tip: Use a piece of matte mylar drawing film in the filter drawer of your enlarger to reduce the amount of light passing thru the negative.
MODERN PHOTOGRAPHY Mar 1982 (v.46#3) pg. 91

Make easier color prints in a flash. A product review of the Beseler/Minolta 45A color head and tips on its use.
MODERN PHOTOGRAPHY Mar 1986 (v.50#3) pg. 48

Point-source enlarger and how it differs from a standard condenser enlarger is explained.
PHOTO TECHNIQUES Jul-Aug 1996 (v.17#4) pg. 15

Tips on printing variable contrast b&w paper using cold light.
PHOTO TECHNIQUES Jan-Feb 1997 (v.18#1) pg. 23

Tips on using a Beseler/Minolta 45A color head for variable-contrast black-and-white printing.
PHOTO TECHNIQUES Jan-Feb 1998 (v.19#1) pg. 20

Calibrating dichroic color heads for variable contrast black-and-white printing.
PHOTO TECHNIQUES Jan-Feb 1998 (v.19#1) pg. 49
Added Info PHOTO TECHNIQUES May-Jun 1998 (v.19#3) pg. 57

A tale of three enlarger heads (condenser, cold light, and dichroic). A look at what effect the enlarger light source has on print quality. Part 1. Methodology, flare, light scattering, uniformity of illumuination, and effect on color printing.
PHOTO TECHNIQUES Jan-Feb 1999 (v.20#1) pg. 37
Added Info PHOTO TECHNIQUES May-Jun 1999 (v.20#3) pg. 17

A tale of three enlarger heads (condenser, cold light, and dichroic). Part 2. Black-and-white print sharpness, contrast, and tonality.
PHOTO TECHNIQUES Mar-Apr 1999 (v.20#2) pg. 18

The blitz printer. Adapting an enlarger to use electronic flash as the light source. Best suited for making color enlargements on Kodak and Polaroid instant print films. Includes easel for instant film and paper.
PHOTOGRAPHIC Jan 1981 (v.9#9) pg. 41

Black-and-white enlarging. A comparison of condenser, diffusion and cold light enlargers.
PHOTOGRAPHIC Jul 1982 (v.11#3) pg. 35

How to utilize a B&W computer monitor (CRT) as the light source for a photographic enlarger. When combined with a computer graphics program, this CRT tube becomes a sophisticated light source capable of performing dodging and burning operations without the use of any other tools.
PHOTOMETHODS Apr 1984 (v.27#4) pg. 6

Tip on replacing the diffusion glass in an old Elwood Special Enlarger.
PHOTOMETHODS Mar 1990 (v.33#3) pg. 40
Added Info PHOTOMETHODS Jul 1990 (v.33#7) pg. 14

Add voltage regulation to a color photo enlarger. Will maintain dc voltage within 1% even if the ac line voltage varies up to 10%. Est. cost: $20.
POPULAR ELECTRONICS [1] Nov 1977 (v.12#5) pg. 63

Power regulator for a photographic enlarger will keep power surges and dips from changing the exposure on photo prints. Est. cost: $25-$35.
POPULAR MECHANICS Nov 1968 (v.130#5) pg. 122

Intensity switch for your enlarger cuts light input in half for printing thin negatives.
POPULAR MECHANICS Apr 1974 (v.141#4) pg. 64C

Six darkroom projects. (1) cardboard light box, (2) floating tray lids, (3) spacer for focus magnifier, (4) press for flattening prints, (5) borderless enlarging easel and (6) enlarger light intensity control.
POPULAR PHOTOGRAPHY Jan 1976 (v.78#1) pg. 96

Condenser -vs- diffusion enlarger heads. A comparison of printing effects using conventional condenser, point-source condenser, cold-light diffusion and quartz-halogen diffusion.
POPULAR PHOTOGRAPHY Jan 1981 (v.88#1) pg. 72

Condenser light source converts 2-1/4x3-1/4 press camera into enlarger.
SCIENCE & MECHANICS Oct 1964 (v.35#10) pg. 100

Using a dichroic enlarger for B&W printing on variable contrast (VC) paper.
SHUTTERBUG #317 Feb 1997 (v.26#4) pg. 173

The Callier effect. Understanding the differences between condenser and diffuser enlargers.
SHUTTERBUG #361 Oct 2000 (v.29#12) pg. 218