MODEL NO. FOCAL
LENGTH (mm)		 FORMAT ANGLE OF
VIEW1/3" 1/4"		 APERTURE
(F)		 BACK FOCAL
LENGTH(mm)
GFE 4368B 4.0 1/3" 80° 2.0 6.34
GFE 3314 6.0 1/3" 60° 1.8 8.29
GFE 4367B 8.0 1/3" 40° 2.0 8.5
GFE 1041D 12 1/3" 25° 2.0 9.2
GFE 1049D 16 1/3" 19° 2.0 11.5
GFE 3311 2.1 1/3" 160° 2.0 5.44
GFE 3313 2.5 1/3" 140° 2.0 5.5
GFE 3310 3.0 1/3" 120° 2.0 5.6
GFE 1059D 3.6 1/3" 92° 2.0 5.96
GFE 1047D 4.0 1/3" 80° 2.0 6.34
GFE 4374B 6.0 1/3" 53° 2.0 6.37
GFE 4364B 8.0 1/3" 40° 2.0 8.5
GFE 4363B 12 1/3" 28° 2.0 9.2
GFE 3312 16 1/3" 19° 2.0 11.5
GFE 1044D 4.0 1/3" 80° 2.0 6.34