Dynax Series: Type G: Standard screen with Acute Matte field with Focus frame markings Type S: Clear center circle with crosshair focusing aid with Acute Matte field; suitable for [photomicrography] or macro photography Type L: Crosshatch grid pattern on Acute Matte field; suitable for architectural photography User-interchangeable for Dynax 7000*, 9000*, 7000i, 8000i. (*no longer available for original Dynax and limited availability for Series-i cameras)Focusing screens the 7xi, 9xi, 600si, and 700si are NOT user-replaceable. They MUST be installed by Minolta or an Authorized Minolta Camera Service center. Dynax 7:Type G : Standard screen with Spherical Matte field with Focus frame markings Type S: Clear center circle with crosshair focusing aid with Spherical Matte field; suitable for [photomicrography] or macro photography Type L: Crosshatch grid pattern on Spherical Matte field; suitable for architectural photography Type M: Super Spherical Matte screen designed for improved manual focusing with f/2.8 or brighter lenses.Type ML: Super Spherical Matte screen Crosshatch grid pattern on Spherical Matte field; suitable for architectural photography Designed for improved manual focusing with f/2.8 or brighter lenses.Focusing screens for the Dynax 7 are NOT user-replaceable. They MUST be installed by Minolta or an Authorized Minolta Camera Service center. Dynax 9:User-interchangeable Type G, S, and L Spherical Matte screens Plus Type M Super Spherical Matte screen designed for improved manual focusing with f/2.8 or brighter lenses.X-700:Minolta X-700/X-570 Screens are interchangeable at Minolta and an Authorized Minolta Camera Service Center Screens may be available from the Minolta Parts Department at (201)825-4000:PM Screen is the standard for these cameras (horizontal split, microprism collar, Acute Matte field)P1 (Horizontal Split, Acute Matte field)P2 (Horizontal split, Acute Matte field for f/2.8 or larger lenses)Pd (Diagonal Split, Acute Matte field)M (Micro prism, Acute Matte field)G (Acute Matte field )L (Horizontal and vertical grid lines in Acute Matte field)S (Horizontal and vertical measuring scales in Acute Matte field --High magnification use)H (clear spot with engraved "+" in Acute Matte field for astrophotography, micro photography).