Unless you are looking at the EL Range I don't think anything has changed:
• First period (1949‐1985): Porro dominates
• 1949 Production of Habicht Porro binoculars (6x30, 8x30, 7x42 and 10x40)
• 1958 Production of theatre binoculars
• 1957 Production of 30x75 draw tube telescope
• 1966 Production of 8x30 and 10x40 photomonoculars
• 1976 Swarodur anti‐reflection coating patented
• Second period (1985 until now): from Porro to roof prisms and telescopes
• 1980‐1984 Production of Habicht Porro SL binoculars ( 7x42, 10x40, 10x50, 8x56)
• 1982 Production of 23x75 and 30x75 double telescopes
• 1985 Production of 7x30 and 8x30 SLC roof prism binoculars later followed by SLC 7x42, 10x42, 7x50, 8x50, 10x50,
8x56 and 15x56
• 1989 Production of pocket 8x20 roof prism binoculars
• 1990 Production of AT80 and ST80 observation telescopes
• 1993 Production of CT75 and CT85 draw tube telescopes
• 1999*‐2002 Production of 8,5x42, 10x42, 8x32 and 10x32 EL binoculars
• 2002 Production of 65mm and 80 mm ATS/STS telescopes
• 2005 Faster focus knob on EL models
• 2009 Production of 65 and 80 mm ATM/STM observation telescopes with new 25‐50 zoom eyepiece
• 2010‐2011 Production of new Swarovsion EL 8,5x42, 10x42, 10x50 and 12x50 binoculars and introduction of new
8x42 and 10x42 SLC‐HD binoculars
• 2011 New Compact Line introduced, the CL 8x30 and CL 10x30 and two EL Range models: 8x42 and 10x42
• 2012*‐2013 Introduction of Compact line 8x25 and 10x25 , new SLC 8x42 WB, 10x42 WB, 8x56 WB , 10x56 WB
and 15x56 WB and modular ATX telescope with 65, 85 or 95 objective module.