HJ21ex7.5B Series

Broadcast Lenses
Item Code: 0048T212


Main Unit Spec

Product CategoryEFP Lens:
Product SeriesHJ21 x 7.5B Series
Image Composition
Object Image Format2/3 inch
Aspect Ratio16:9
Object Image size9.59 mm (H) x 5.39 mm (V)
Zoom Ratio21 X
Focal Length Range7.5~158mm
Focal Length Range with Extender15~316mm
Angular Field of ViewAt 7.5mm
65.2o (H) x 39.6o (V)
At 158mm
3.5o (H) x 2.0o (V)
Angular Field of View with ExtenderAt 15mm
35.5o (H) x 20.4o (V)
At 316mm
1.7o (H) x 1.0o (V)
Optical Brightness
Maximum Relative Aperture (F-Number)1 : 1.9 at 7.5mm~116mm
1 : 2.6 at 158mm (Ramping Characteristic)
Maximum Relative Aperture (F-Number) with Extender1 : 3.8 at 15~232mm
1 : 5.2 at 316mm (Ramping Characteristic)
Scene Composition
MOD From Front of Lens0.85 Meter (10mm with Macro)
MOD From Camera Image Plane1.16 Meter
Scene Object Dimensions at MOD120.4 cm x 67.7 cm at 7.5mm
5.6 cm x 3.2 cm at 158mm
Scene Object Dimensions at MOD with Extender60.2 cm x 33.9 cm at 15mm
2.8 cm x 1.6 cm at 316mm
Physical Attributes 7.1in (179.9mm) 4.8in (122.3mm) 10.2in (260.1mm) 5.81lbs (2.63kg)
Width7.1in (179.9mm)
Height4.8in (122.3mm)
Size Length mm mod110.2in (260.1mm)
Weight15.81lbs (2.63kg)