Focal Length	Iris	Close Focus	Weight
25	T2.3 - 22	55 cm / 22"	4200 g
32	T2.3 - 22	55 cm / 22"	3200 g
40	T2.3 - 22	55 cm / 22"	3400 g
50	T2.3 - 22	55 cm / 22"	3600 g
65 Macro	T2.3 - 22	14 cm / 5.5"	5200 g
75	T2.3 - 22	80 cm / 31"	3200 g
100	T2.3 - 22	90 cm / 35"	3400 g
135	T2.3 - 22	120 cm / 47"	4200 g

Front Diameter: 110mm

Front Diameter 65 Macro: 136mm