Focal Length	Iris	Close Focus	Weight
28	T1.9 - 22	65 cm / 2'3"	2500g
35	T1.9 - 22	75 cm / 2'6"	2650g
40	T1.9 - 22	70 cm / 2'4"	2800g
50	T1.9 - 22	75 cm / 2'6"	2650g
60	T1.9 - 22	90 cm / 3'	2700g
75	T1.9 - 22	90 cm / 3'	2600g
100	T1.9 - 22	95 cm / 3'1"	3350g
180	T2.8 - 22	150cm / 5'	3200g

Front Diameter: ø95 (28mm = ø114)