Evolution of Thinness

Sagami
Original 0.03
1998
35microns (measured with the standard of Sagami)
Sagami Original 1998
*Obsoleted
Sagami
Original 0.02
(1st Generation)
2005
28microns (measured with the standard of Sagami)
Sagami Original 0.02 2005
*Obsoleted
Sagami
Original 0.02
(2nd Generation)
2009
24microns (measured with the standard of Sagami)
Sagami Original 0.02 2009
Sagami
Original 0.02
Premium
2011
22microns (measured with the standard of Sagami)
Sagami Original 0.02 Premium 2011
*Obsoleted
Sagami
Original 0.01
2013
18microns (measured with the standard of Sagami)
Sagami Original 0.01 2013