• Focusing Screens168Optional Accessories—continuedSupplied with the F6 camera. Fine-ground matte field with focusbrackets. Good for general photography.Matte/Fresnel field with 12mm-dia. reference circle and focusbrackets. Suitable with telephoto lenses longer than 200mm.Center-Weighted or Spot metering is recommended.Etched horizontal and vertical lines added to B-type screen makethe E-type screen suitable for copying and architecturalphotography. Especially for use with PC-Nikkor lens.Fine-ground matte field with 5mm-dia. clear spot and cross hair foruse in parallax focusing on aerial images, plus millimeter scales forcalculating magnification of individual objects or for measuringobjects. Brilliant image in dim light. Suitable for close-ups,photomicrography and other high-magnification applications.Matte/Fresnel field with central 5mm-dia. microprism focusing spotand 12mm-dia. reference circle. Good for general photography.Matte/Fresnel field with 5mm-dia. BriteView split-imagerangefinder. Rapid, accurate focusing for subjects with bothstraight lines and ill-defined contours. Suitable for generalphotography.Same as Type A but with BriteView split-image rangefinder line ata 45° angle. Rapid, accurate focusing for subjects with bothstraight lines and ill-defined contours. Suitable for generalphotography.BUEMJALType M focusing screen• Exposure measurement is not possible with type M screen.When using type M screen, it is recommended to set “Off” in the Custom Setting“a5-1: Manual focus” in “a5: Focus area illum” (x 95) due to the opticalcharacteristic of the type M screen.
