VS6663 datasheet(55/64 Pages) STMICROELECTRONICS

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VS6663

Optical specification

8.1

Lens characteristics

8.2

User precaution

As is common with many CMOS image modules the camera should not be pointed at bright

static objects for long periods of time as permanent damage to the sensor may occur.

Table 39. Lens design characteristics for first source lens supplier

Parameter

Value

2-element plastic lens

F/number

2.8

Effective focal length

2.31mm (paraxial)

Horizontal FOV

50.7

Closest focusing distance

600 mm

Straylight

No undesirable straylight artefacts to be present in

image at contrast of:

1:105 out of scene

1:104 in scene

Distortion

TV: <|1.0%| (typical)

Absolute: <|2.0%| across whole field (by design)

Relative Illumination (lens only)

Between 40 and 48% at 1.0 field.

Spectral weighting:

Wavlength (nm)

Weight

656.28

151

587.56

318

546.07

312

486.13

157

435.84

404.66

Lateral chromatic aberration from blue

(

λ=435nm) to red (λ=640nm)

< |3.8 um|

Coating reflectance - All surfaces are

coated. At least 50% of all surfaces must

fulfil this specification.

< 400 nm

400 - 670 nm

>670 nm

No limitation

≤ 1.0% absolute, 0.35% avg

Straight line with a slope of < 3% /

100nm

Maximum chief ray angle

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