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  • แจ้งวันหยุดทำการในเดือน เมษายน 2567 | Notice holiday in April 2024 > คลิก

SLB-25.4B-35PIR1 Lens

SLB-25.4B-35PIR1 Lens

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  • Until 31/03/2024
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Specifications of 61-6906-99

Part Number
61-6906-99 SALE
Part Number Price Name Minimum Order Qty. Volume Discount Days to Ship

฿ 5,207.00

฿ 4,165.08

LABORATORY MATERIALS 1 Piece(s) 40 Day(s)

Product Description

[Features]
· With both faces convex, this lens can efficiently refract light in a restricted space, and collect large quantities of light.
· It is used to collect collimated light at as short a distance as possible or to gather as much light radiated from a light emitting point as possible.
· A BK7 lens for the visible range to the near infrared range.
· Three types of lenses with antireflection coating in the visible range, near-infrared range, and infrared range are available.
· Selection can be made from a wide range of variations subdivided by outer diameter, focal distance, and so on, to suit the specifications.
· Achromatic lens (DLB) subjected to chromatic aberration correction is also available.
· * Spherical surface biconvex lenses have chromatic aberration, resulting in focal lengths changing with wavelength.
· * Biconvex lenses have larger spherical aberration than planoconvex lenses, and as such the focal spots may not converge into one point.
· * Non-coated products have loss due to reflections at the front and rear surfaces, with a transmittance of about 90%.
[Product Specifications]
· [ Common Specifications]
· Material: BK7
· Design Wavelength: 546.1 nm
· Refractive Index: n e = 1.519
· Coating: Anti-reflective Film (633-1,064 nm)
· Transmittance: > Average 98.5%
· Laser Yield Strength (Reference Value): Anti-reflection Coating 4 J/cm^2 (Pulse Width 10 ns, Repetition Frequency 20 Hz)
· Effective Diameter: 85% of External Diameter
· Scratch-Dig: 20-10
· [Individual Specifications]
· Antireflection Film Coating Wavelength Region: 633-1,064 nm
· Outer diameter φD: φ25.4 mm
· Focal distance f: 36.1 mm
· Rim thickness te: 1.8 mm
· Central thickness tc: 6.4 mm
· Back focus fb: 33.9 mm
· Radius of the curvature r: 36.33 mm
· Eccentricity: < 1'

Specifications of 61-6906-99

Part Number
61-6906-99 SALE
Part Number Price Name Minimum Order Qty. Volume Discount Days to Ship

฿ 5,207.00

฿ 4,165.08

LABORATORY MATERIALS 1 Piece(s) 40 Day(s)

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