Basic Photography Course

Figure 4-28.How the loss of the circle of illumination appears on the ground glass.

movements are made. This is caused when the lens field

of coverage is shifted from the film plane (fig. 4-28).

14. Be sure all camera adjustments are locked

down and insert the film holder. Be sure the lens is
closed before removing the dark slide.

15. Make your exposure.

You cannot always correct 100 percent of the

distortion. Horizontal or vertical distortion can only be
corrected on one plane; for example, when you take a
three-quarter photograph of a building, only the front or
side can be corrected at a time, not both in the same

picture.

302.139

ELECTRONIC CAMERAS

Still-electronic cameras are becoming popular in all

branches of the Department of Defense. The operation
of still-electronic cameras is basically the same as
conventional cameras. The only difference between
these cameras is the way the images are recorded and
stored. There are two different types of electronic
cameras used currently in the Navy: the still-video
camera and the digital camera.

The Sony ProMavica MVC-5000 (Magnetic Video

Camera) is an example of a still-video camera.
The ProMavica records images as magnetic
impulses on a compact 2-inch still-video floppy disk.
The images are captured on the disk by using two-CCD
(charge-coupled device) chips. One chip stores
luminance information, and the other separately records

4-30

contents

Basic Photography Course

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DOFMaster for Windows On-line Depth of Field Calculator DOFMaster for Mobile Devices On-line Depth of Field Table Hyperfocal Distance Chart Articles FAQ Recommended Books Support Contact Links Home As an Amazon Associate I earn from qualifying purchases.	contents <- previous page next page -> Figure 4-28.How the loss of the circle of illumination appears on the ground glass. movements are made. This is caused when the lens field of coverage is shifted from the film plane (fig. 4-28). 14. Be sure all camera adjustments are locked down and insert the film holder. Be sure the lens is closed before removing the dark slide. 15. Make your exposure. You cannot always correct 100 percent of the distortion. Horizontal or vertical distortion can only be corrected on one plane; for example, when you take a three-quarter photograph of a building, only the front or side can be corrected at a time, not both in the same picture. 302.139 ELECTRONIC CAMERAS Still-electronic cameras are becoming popular in all branches of the Department of Defense. The operation of still-electronic cameras is basically the same as conventional cameras. The only difference between these cameras is the way the images are recorded and stored. There are two different types of electronic cameras used currently in the Navy: the still-video camera and the digital camera. The Sony ProMavica MVC-5000 (Magnetic Video Camera) is an example of a still-video camera. The ProMavica records images as magnetic impulses on a compact 2-inch still-video floppy disk. The images are captured on the disk by using two-CCD (charge-coupled device) chips. One chip stores luminance information, and the other separately records 4-30 contents Basic Photography Course <- previous page next page ->	As an Amazon Associate I earn from qualifying purchases.
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