Matte/Fresnel field with Smm-dia, and 12mm-dia, reference circ les and focus brackets, Suitable with telephoto lenses longer than 200mm,
Matte/Fresnel field with 5mm-dia, and 12mm-dia, ref- erence ci rctes and focus brackets, Suitabte with reilex tenses and telephoto lenses tonger than 400mm,
Fine-ground matte field with 5mm-dia, clear spot and cross hair, For photomicrography, astrophotography and other high-magnification applications using paratlax focusing on aerial images,
TypeJMatte/Fresnel field with central 5mm -dia, microprism focusing spot and 12mm-dia, circle, Good for general photography,
Type KMatte/Fresnel field with 3mm-dia, BriteView split- image range find er spot surrounded by 1mm-wide microprism doughnut. Rapid and accurate focusing for subjects with both straight lines and ill-defined contou rs, Suitable for general photography,
Type PSame as Type K but with BriteView split-image range finder line at a 45° angle and etched horizontal and vertical lines as an aid to composition, Rapid and ac- curate focusing for subjects with horizontal or vertical lines or ill-defi ned contours, Suitable for general photography,