Canon KH21ex5.7 IRSE ENG/EFP Lens
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[edit] Product Name
Canon KH21ex5.7 IRSE ENG/EFP Lens
[edit] Manufacturer Part Number
KH21ex5.7 IRSE
[edit] Product Date
circa January 2008
[edit] Product Image
[edit] Manufacturer Provided Specifications and Description
- Specifications
Product
Product Category: ENG/EFP Lens
Image Composition
Object Image Format: 1/2 inch; 16:9 Aspect Ratio
Object Image Size: 6.97 mm (H) x 3.92 mm (V)
Zoom Ratio: 20 X
Focal Length Range: 5.7~120mm
Focal Length Range with Extender: 11.4~240mm
Angular Field of View
- At 5.7mm: 62.9 o (H) x 38.0 o (V)
- At 120mm: 3.3 o (H) x 1.9 o (V)
Angular Field of View with Extender
- At 11.4mm: 31.5 o (H) x 19.0 o (V)
- At 240mm: 1.7 o (H) x 0.9 o (V)
Optical Brightness
Maximum Relative Aperture (F-Number)
- At 5.7~86mm: 1 : 1.4
- At 120mm (Ramping Characteristic): 1 : 1.95
Maximum Relative Aperture (F-Number) with Extender
- At 11.4~172mm: 1 : 2.8
- At 240mm (Ramping Characteristic): 1 : 3.9
Scene Composition
MOD From Front of Lens: 0.8 Meter (10mm with Macro)
Scene Object Dimensions at MOD
- At 5.7mm: 92.2 cm x 51.9 cm
- At 120mm: 4.3 cm x 2.4 cm
Scene Object Dimensions at MOD with Extender
- At 11.4mm: 46.1 cm x 26.0 cm
- At 240mm: 2.2 cm x 1.2 cm
Physical Attributes
Size
- Width: 169.4mm / 6.7in
- Height: 111.9mm / 4.4in
- Length: 217.5mm / 8.6in
Weight: 1.85kg / 4.08lbs
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