| Product | |
| Product Category | 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 | 7.1in (179.9mm) 4.8in (122.3mm) 10.2in (260.1mm) 5.81lbs (2.63kg) |
| Width | 7.1in (179.9mm) |
| Height | 4.8in (122.3mm) |
| Size Length mm mod1 | 10.2in (260.1mm) |
| Weight1 | 5.81lbs (2.63kg) |
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