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Details
EFP Lens:
Product Series
HJ21 x 7.5B Series
Image Composition
Object Image Format
2/3 inch
Aspect Ratio
16:9
Object Image size
9.59 mm (H) x 5.39 mm (V)
Zoom Ratio
21 X
Focal Length Range
7.5~158mm
Focal Length Range with Extender
15~316mm
Angular Field of View
At 7.5mm
65.2o (H) x 39.6o (V)
At 158mm
3.5o (H) x 2.0o (V)
Angular Field of View with Extender
At 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 Extender
1 : 3.8 at 15~232mm
1 : 5.2 at 316mm (Ramping Characteristic)
Scene Composition
MOD From Front of Lens
0.85 Meter (10mm with Macro)
MOD From Camera Image Plane
1.16 Meter
Scene Object Dimensions at MOD
120.4 cm x 67.7 cm at 7.5mm
5.6 cm x 3.2 cm at 158mm
Scene Object Dimensions at MOD with Extender
60.2 cm x 33.9 cm at 15mm
2.8 cm x 1.6 cm at 316mm
Physical Attributes
Width
7.1in (179.9mm)
Height
4.8in (122.3mm)
Length
10.2in (260.1mm)
Weight
5.81lbs (2.63kg)
Note: Professionally maintained and teched prior to shipment.