Canon KH21ex5.7 IRSE ENG/EFP Lens

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Contents

[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

Image:Canon_KH21ex57IRSE.jpg


[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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