Focusing Screen Selector Guide
TYPO A: Mane/Fresnel f~ld wifh 3mm~ circular split-Image rangelinder spot and 12mmcP reference circle. Rap.ld and accurate focusing . Excellent lor general photography.
Type 8: Mane/Fresnel flElld with 3mm41 fine-ground matte focusing spot and 12mm41 reference circle. Good for general photography. especially with long lenses.
Type C: Fine-ground matte field with 4mm4J clear spot and cross hair. For photomicrography. astrophotography and other high-magnilication appllcat~ns. using parallax focusing on aerial Images.
TYpo D: Overall fine-ground mane liBld. For specialized close-up photography and
for use with long lenses.
Type E: Matte/Fresnel field with 3mm¢ fine-ground matte spot, 12mm~ reference circle. and etched horizontal and ..rllcallines. Ideal for archnectural photography.
TYpo G: Clear Fresnel r~ld w~h extra-bright 12rnm~ mlcroprlsrn focusing spot for viewing and focusing In poor light. Four models (G1-G4) are available corre- sponding to specific focal length lenses. Depth of field cannot be observed.
Type H: Clear Fresnel field with microprism focusing pattern over the entire screen area . Pennits rapid focusing on any part of the screen with optimum edge-la-edge
brightness In poor light. Available In lour models (H1-H4) corresponding to particular localleng1h lenses.
TYpo J : Mane/Fresnel field with central mlcroprlsrn focusing spot and t2mm</> circle. Good for general photography.
Typo K: Combination of Type Aand J screens. Mane/Fresnel field w~h 3rnm~ spl~ Image rangefinder spot surrounded by lmm-wide micnoprlsrn doughnut. Rapid and accurate focu~ng for subjects with both straight lines and III-defined contours . Suitable for general photography.
TYpo L: Same as Type A screen but with spln-lrnage rangeflnder line at a 45" angie. Best lor subjects w~h horizontal lines.
Type M: Fine-ground Fresnel field with S.Smmq, clear spot and double cross half for use In parallax focusing on aerial Image, plus millimeter scales for calculation of indMduaJ magnification of objects or tor measuring ob;ects. Brilliant Image In dim light. Su~bIe for close-ups . photom~rography and other hlgh-magn~tlonapplications.
Type P: Same as Type K but with split-image rangefinder line at a 45° angle and etched horizontal and vertical lines as an aid to composition . Rapid and accurate focusing for subject with horizontal or vertlcallines or til -defined contours . Suitable lor general photography.
TYpo R: Same as Type A but with rangefindor prisms of sloping surfaces at a smaller angle and horizontal and vertical tines to aid proper composition . 't\brksbest with
lenses having maximum apertures from fl3 .5 to 1/5 .6.
Type T: Matte/Fresnel field with split-image rangefinoor, 12mmq, reference circle, and horizontal and vertical lines. Used when preparing slides for TV broadcasts, Dotted lines indicate standard TV screen format . SOlid oulline shows "sale action" area, whereas broken nnes indicate "safe title" area.
Type U: Mane/Fresnel field with 3mm¢ fine-ground matte focusing spot and 12mm¢ reference circle. Utilizes the same matte field as Type S, but with lenses longer than 100mm the image in the viewfinder Is easier to see. With shorter focal- length lenses, this screen Is not suitable because of light fall-of! in the comer.
