Type # 10772 High-D-Screen: Ultra Bright Screen with wedge and guide lines for 4,5x6cm frames. 2/1996 - today
	Type # 560180/ 97069 Bright screen with micro prism, wedge and grid. 9/1976 - today
	Type #560030/ 97054 Ground glass screen for ultra precise focusing + depth of field control. 10/1966 - today
	Type # 97074 Bright screen with micro prism. Suitable for low light situations. 10/1988 - today
	Type # 64911 Bright screen with micro prism and guide lines for 4,5x6 frames. 1/1993 - today
	Type # 560100 Bright screen with clear spot and scale for microspope and small apertures. 10/1966 - 1988
	Type # 61396 LSG Special screen marks scan area with  digital ScanPack Gamma S12. 11/1991 - 12/1997

	Type # 560170 First standard Ultra Bright Screen with wedge, micro prism and grid. 10/1987 -  12/1995
	Type # 560060 / 64913 Original standard bright focusing screen with micro prism and grid. 10/1966 - 2/1988
	Type # 560040 Bright screen with grid, suitable for lenses with small aperture. 10/1966 - 02/1988
	Type # 97052 / 560045 Bright screen, no micro prism. Suitable for small aperture lenses. 10/1988 - today (limited)
	Type # 64913 Bright screen w. micro prism, wedge and  guide lines for 4,5x6 frames. 1/1993 - 12/1995
	Type # 560050/ 97060 Bright screen with wedge. For architecture and vertical lines. 10/1966 - 12/1992
	Type # 560 080 Focusing Screen Frame for quick changing of screens 1966 - 2002 (discontinued)