Nikon instruction manual Interchangeable Focusing Screens for the Nikon, Type A,L Type B

Interchangeable Focusing Screens for the Nikon

F

Type A,L

Type B

Type A: Matte Fresnel field with 3mm¢circular split-image rangefinder spot and 12mm¢ circle. Rapid and accurate focusing. Excellent for general photography. Type L: Same as Type A screen but with split-image rangefinder line at a 45° angle. Best for subjects with horizontal lines.

Matte Fresnel field with 12mm¢ finegroudd matte focusing spot in the center. Good for general photography, especially with long telephoto lenses.

Type C

Type D

Type E

Fine-ground matte field with 4mm~p clear spot and cross-hair reticle. For photon~icro graphy, astrophotography and other highmagnification applications, and for parallax focusing.

Overall fine-ground matte field. For specialized close-up photography and for use with long focal length lenses.

Matte Fresnel field with 12mmp fineground matte spot and etched horizontal and vertical lines. Ideal for architectural photography.

Type G

Type H

Type J

Clear Fresnel field with extra--bright 12mm microprism focusing spot for viewing and focusing in poor light. Four models (G1G4) are available corresponding to specific focal length lenses. Depth of field cannot be observed.

Clear Fresnel field with microprism focusing pattern over the entire screen area. Permits rapid focusing on any part of the screen with optimum edge-to-edge brightness in poor light. Available in four models (H1-H4) corresponding to particular focal length lenses.

Matte Fresnel field with central microprism focusing spot and 12mm circle. Good for general photography.

Type K

Type M

Combination of Type A and J screens. Matte Fresnel field with 3mm¢ split-image rangefinder spot surrounded by lmm¢ microprism doughnut. Rapid and accurate focus~g for subjects with both straight lines and ill-defined contours. Suitable for general photography.

Fine ground Fresnel field with 5.5mm¢ clear spot and double crosshair for use in parallax focusing on aerial image, plus micrometer scales for calculation of individual magnification of objects or for measuring objects. Brilliant image in dim light. Suitable for close-ups, photomicrography and other high-magnification applications.