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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® 부품은 에드몬드 옵틱스가 설계, 사양 지정 및 제조하는 제품입니다. 더 알아보기

20mm Dia. x 50mm FL, VIS-EXT Coated, Double-Convex Lens

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재고 #89-172 품절/문의요망
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기타 코팅 옵션
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Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
KRW 71,400
수량 1-9
KRW 71,400
수량 10+
KRW 64,200
가격(부가세 별도)
견적 요청
제품 정보 다운로드

Product Details

Type:
Double-Convex Lens

Physical & Mechanical Properties

Diameter (mm):
20.00 +0.000/-0.025
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
3.50
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
1.52
Clear Aperture CA (mm):
19.00

Optical Properties

Back Focal Length BFL (mm):
48.84
Effective Focal Length EFL (mm):
50.00
Coating:
VIS-EXT (350-700nm)
Coating Specification:
Ravg <0.5% @ 350 - 700nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Radius R1=-R2 (mm):
51.08
f/#:
2.5
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.20
Wavelength Range (nm):
350 - 700

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

제품군의 상세 설명

Double-Convex (DCX) Lenses는 바깥쪽으로 향하는 2개의 곡면과 1개의 positive focal length를 가지며, 1:1 이미징과 multi-element 시스템에 유용합니다.

기술 정보

N-BK7

Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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