HAROLD MERKLINGER PDF

Focusing the View Camera: A Scientific Way to Focus the View Camera and Estimate Depth of Field. by Harold M. Merklinger. Merklinger’s method is less widely used, but is much easier to apply in the field. . Harold Merklinger describes his method for optimizing depth of field here. Harold Merklinger on Depth of Field. If you arrived at this page by a direct link, it will be helpful for background information if you read my article, More on Depth.

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The experimental photographs will follow. For a diagram explaining basic view camera depth of field, and providing a link to an on-line calculator, select this link. I had suggested Februarybut that merklihger didn’t happen. What would we have seen, if we had kept a constant magnification for both the toucan and the plate on the curtain? The standard camera can focus precisely only at one subject distance, but if we accept the usual standard of acceptable sharpness, the lens is deemed to focus adequately well over a range of subject distances.

Hyperfocal distances and Merklinger’s method in landscape photography

Main page List of articles. The enlargement of the fragment in the yellow frame is shown in Fig. Two downloadable spreadsheet files were added on 16 Aug 98 to assist view camera and other users to establish a consistent sharpness standard when lenses of several different focal lengths are being used.

The lens is focused at the distance djust where the object is located. Of course, we cannot draw any conclusions on the basis of such a small picture.

But according to my bitter experience, people do not like to analyze boring mathematical expressions.

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BAC Event Photos

Howard Bond’s method presumes enough basic knowledge to at least get started in the right direction. Check out this link for prices and ordering information. For all merklingeg lenses, more care is required. This Is Fisherman’s Cove! As of 30 Julynew material concening phographic resolution was added.

Technical Books on Photography by Harold M. Merklinger

Does it make any sense? A Shockwave Flash 2 version of the short View Camera movie has been added. You must obtain a written permission from me to use kerklinger materials of this site for any commercial or non-commercial purposes, unless there is an explicit statement to the contrary. Resolution for distant objects does decrease.

When preparing the illustrations, I scanned the negatives dpi, which gives 3 pixels per the diameter of the circle of confusion. In his opinion, it is better to describe DOF in terms of the resolution in the object field rather than concentrating on the characteristics of the final image.

For an experimental panoramic view of Halifax and Dartmouth, Nova Scotia, try http: The out-of-focus image of a triangle, taken with a lens having a triangular aperture can be quite surprising: These books merklinber available from a number of sources, as listed at this link.

Now let us see what happens if the lens in focused on a close object.

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Under such conditions, the lamps were transformed into circles. To make things clear, I also prepared another version of those pictures Fig.

But it is absolutely natural. According to the traditional approach, beyond the limits of the green zone see Fig. The traditional theory proved to be true again. With digital photography growing in popularity, sites like The Digital Camera Resource Page are most welcome. The latter approach is only a special case and should be used with care. It is trickier than one might imagine – especially printing at high quality. In article garold 2 ] I showed how to derive the formula that describes fuzziness behind the focusing point.

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For more explanation of depth of field as applied to the photograph of Lisa, try this link. These images were all taken within minutes of one-another, but the lens focal length was changed slightly from shot to shot. Applying that approach to the general situation, we can obtain the universal mathematical expression: First, let us see how remote objects are rendered Fig. Like mekrlinger first rule, one of the planes is the subject plane.

Part 1 describes the principles of view camera focus, illustrating the application of the Hinge Rule to obtain the desired results. These three planes are the film plane, the subject plane and lens plane.

Note mefklinger email gets spammed a lot so if you want to get your message through please prefix “Holding Tank” in the title. Which theory treats sharpness in a reasonable way?

First of all, I would like to demonstrate you that the divergence of the blue dash lines in Fig. The front limit of the DOF area equals the hyperfocal distance. But, ironically, the book also gave rise to a number of misleading recommendations.

Harold does it differently. One can easily notice that within the green oval i.