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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Fluorescence Bandpass Filters

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Our TECHSPEC® Fluorescence Bandpass Filters perfectly match common fluorophores' absorption and emission characteristics in fluorescence imaging applications. Excitation and emission filters are available, featuring high transmissions in the passband (≥ 93% for VIS designs) and >OD 6 blocking outside of the passband. These filters are also ideal components in applications using spectroscopic fluorescence detection, including analytical chemistry and biomedical instruments such as DNA sequencers and polymerase chain reaction (qPCR) devices. Each filter features state-of-the-art hard-sputtered coatings and is mounted in a black anodized ring for easy system integration.

Common Specifications

Thickness Tolerance (mm):
±0.1
Construction:
Mounted in Black Anodized Ring
Physical Durability:
Adhesion per MIL-PRF-13830B, Section C.4.5.12
Moderate abrasion per MIL-PRF-13830B, Section C.4.5.11
Cleaning per MIL-C-48497A Section 4.5.4.2
Substrate Thickness (mm):
2.00 ±0.25
Angle of Incidence (°):
0 ±5
Optical Density OD (Average):
≥6.0
Coating:
Hard Coated
Surface Quality:
60-40
Transmitted Wavefront, RMS:
λ/4 (prior to coating)
Mount Thickness (mm):
3.5 ±0.1
Environmental Durability:
Humidity per MIL-STD-810H, Section 507.6
Temperature per MIL-STD-810H, Section 501.7 and 502.7

Products

Dia. (mm) CWL (nm) FWHM (nm)  Average Transmission (%)   Compatible Fluorophore   Blocking Wavelength Range (nm)   Compare   Stock Number   Price  Buy
12.50 340.00 29.00
Additional Bandwidths
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>75 FURA2 Excitation 250 -925
25.00 340.00 29.00
Additional Bandwidths
×
>75 FURA2 Excitation 250 -925
50.00 340.00 29.00
Additional Bandwidths
×
>75 FURA2 Excitation 250 -925
12.50 357.00 48.00
Additional Bandwidths
×
>75 Tryptophan Emission 250 - 1100
25.00 357.00 48.00
Additional Bandwidths
×
>75 Tryptophan Emission 250 - 1100
50.00 357.00 48.00 >75 Tryptophan Emission 250 - 1100
12.50 370.00 40.00
Additional Bandwidths
×
>85 Sirius Excitation 250 - 1100
25.00 370.00 40.00
Additional Bandwidths
×
>85 Sirius Excitation 250 - 1100
50.00 370.00 40.00 >85 Sirius Excitation 250 - 1100
12.50 377.00 54.00 >85 DAPI Excitation 250 - 1100
25.00 377.00 54.00 >85 DAPI Excitation 250 - 1100
50.00 377.00 54.00 >85 DAPI Excitation 250 - 1100
12.50 386.00 27.00 >90 DAPI Excitation 250 - 1100
25.00 386.00 27.00 >90 DAPI Excitation 250 - 1100
50.00 386.00 27.00 >90 DAPI Excitation 250 - 1100
12.50 387.00 15.00
Additional Bandwidths
×
>90 DAPI Excitation / BFP & GFP Excitation 250 -1050
25.00 387.00 15.00
Additional Bandwidths
×
>90 DAPI Excitation / BFP & GFP Excitation 250 -1050
50.00 387.00 15.00 >90 DAPI Excitation / BFP & GFP Excitation 250 -1050
12.50 390.00 45.00 >90 405nm Laser Excitation 250 - 1100
25.00 390.00 45.00
Additional Bandwidths
×
>90 405nm Laser Excitation 250 - 1100
50.00 390.00 45.00 >90 405nm Laser Excitation 250 - 1100
12.50 435.00 48.00 >93 Qdot® Excitation 250 - 1100
25.00 435.00 48.00 >93 Qdot® Excitation 250 - 1100
50.00 435.00 48.00 >93 Qdot® Excitation 250 - 1100
12.50 438.00 28.00 >93 CFP Excitation 250 - 1100
25.00 438.00 28.00 >93 CFP Excitation 250 - 1100
50.00 438.00 28.00 >93 CFP Excitation 250 - 1100
12.50 440.00 46.00
Additional Bandwidths
×
>93 Sirius Emission 250 - 1100
25.00 440.00 46.00
Additional Bandwidths
×
>93 Sirius Emission 250 - 1100
50.00 440.00 46.00
Additional Bandwidths
×
>93 Sirius Emission 250 - 1100
12.50 447.00 65.00 >93 DAPI Emission / BFP & GFP Emission 250 - 1100
25.00 447.00 65.00 >93 DAPI Emission / BFP & GFP Emission 250 - 1100
50.00 447.00 65.00 >93 DAPI Emission / BFP & GFP Emission 250 - 1100
12.50 448.00 25.00
Additional Bandwidths
×
>93 442nm Laser Excitation 250 - 1100
25.00 448.00 25.00
Additional Bandwidths
×
>93 442nm Laser Excitation 250 - 1100
50.00 448.00 25.00 >93 442nm Laser Excitation 250 - 1100
12.50 452.00 51.00 >93 DiA Excitation 250 - 1100
25.00 452.00 51.00 >93 DiA Excitation 250 - 1100
50.00 452.00 51.00 >93 DiA Excitation 250 - 1100
12.50 466.00 45.00 >93 GFP Excitation 250 - 1100
25.00 466.00 45.00 >93 GFP Excitation 250 - 1100
50.00 466.00 45.00 >93 GFP Excitation 250 - 1100
12.50 472.00 35.00
Additional Bandwidths
×
>93 GFP Excitation 250 - 1100
25.00 472.00 35.00
Additional Bandwidths
×
>93 GFP Excitation 250 - 1100
50.00 472.00 35.00 >93 GFP Excitation 250 - 1100
12.50 475.00 56.00
Additional Bandwidths
×
>93 FITC Excitation 250 - 1100
25.00 475.00 56.00
Additional Bandwidths
×
>93 FITC Excitation 250 - 1100
50.00 475.00 56.00
Additional Bandwidths
×
>93 FITC Excitation 250 - 1100
12.50 482.50 36.00
Additional Bandwidths
×
>93 FITC Excitation / CFP Emission 250 - 1100
25.00 482.50 36.00
Additional Bandwidths
×
>93 FITC Excitation / CFP Emission 250 - 1100
50.00 482.50 36.00 >93 FITC Excitation / CFP Emission 250 - 1100
12.50 494.00 25.00 >93 SpectrumGreen™ Excitation 300 - 1150
25.00 494.00 25.00 >93 SpectrumGreen™ Excitation 300 - 1150
50.00 494.00 25.00 >93 SpectrumGreen™ Excitation 300 - 1150
12.50 500.00 29.00
Additional Bandwidths
×
>93 YFP Excitation 250 - 1100
25.00 500.00 29.00
Additional Bandwidths
×
>93 YFP Excitation 250 - 1100
50.00 500.00 29.00
Additional Bandwidths
×
>93 YFP Excitation 250 - 1100
12.50 510.00 25.00
Additional Bandwidths
×
>93 Cy2 Emission / Cy3 Excitation 250 - 1100
25.00 510.00 25.00
Additional Bandwidths
×
>93 Cy2 Emission / Cy3 Excitation 250 - 1100
50.00 510.00 25.00
Additional Bandwidths
×
>93 Cy2 Emission / Cy3 Excitation 250 - 1100
12.50 510.00 89.00
Additional Bandwidths
×
>93 FURA2 Emission 250 - 1100
25.00 510.00 89.00
Additional Bandwidths
×
>93 FURA2 Emission 250 - 1100
50.00 510.00 89.00
Additional Bandwidths
×
>93 FURA2 Emission 250 - 1100
12.50 512.00 30.00 >93 Fluorescein Emission 250 - 1100
25.00 512.00 30.00 >93 Fluorescein Emission 250 - 1100
50.00 512.00 30.00 >93 Fluorescein Emission 250 - 1100
12.50 520.00 41.00
Additional Bandwidths
×
>93 GFP Emission 250 -1025
25.00 520.00 41.00
Additional Bandwidths
×
>93 GFP Emission 250 -1025
50.00 520.00 41.00
Additional Bandwidths
×
>93 GFP Emission 250 -1025
12.50 520.00 77.00
Additional Bandwidths
×
>93 Alexa Fluor® 488 Emission / GFP Emission 250 -1200
25.00 520.00 77.00
Additional Bandwidths
×
>93 Alexa Fluor® 488 Emission / GFP Emission 250 -1200
50.00 520.00 77.00
Additional Bandwidths
×
>93 Alexa Fluor® 488 Emission / GFP Emission 250 -1200
12.50 525.00 18.00
Additional Bandwidths
×
>93 Qdot® 525 Emission 250 - 1100
25.00 525.00 18.00
Additional Bandwidths
×
>93 Qdot® 525 Emission 250 - 1100
50.00 525.00 18.00
Additional Bandwidths
×
>93 Qdot® 525 Emission 250 - 1100
12.50 525.00 51.00
Additional Bandwidths
×
>93 GPF/FITC Emission 250 - 1100
25.00 525.00 51.00
Additional Bandwidths
×
>93 GPF/FITC Emission 250 - 1100
50.00 525.00 51.00
Additional Bandwidths
×
>93 GPF/FITC Emission 250 - 1100
12.50 527.00 22.00 >93 SpectrumGreen™ Emission 250 - 1100
25.00 527.00 22.00 >93 SpectrumGreen™ Emission 250 - 1100
50.00 527.00 22.00 >93 SpectrumGreen™ Emission 250 - 1100
12.50 530.00 62.00 >93 Alexa Fluor® 532 Excitation / Thiazole Orange Emission 250 - 1100
25.00 530.00 62.00
Additional Bandwidths
×
>93 Alexa Fluor® 532 Excitation / Thiazole Orange Emission 250 - 1100
50.00 530.00 62.00 >93 Alexa Fluor® 532 Excitation / Thiazole Orange Emission 250 - 1100
12.50 534.00 25.00
Additional Bandwidths
×
>93 SpectrumGold™ Excitation 250 - 1100
25.00 534.00 25.00
Additional Bandwidths
×
>93 SpectrumGold™ Excitation 250 - 1100
50.00 534.00 25.00 >93 SpectrumGold™ Excitation 250 - 1100
12.50 534.50 48.00
Additional Bandwidths
×
>93 Cy3 Excitation / FITC Emission 250 - 1100
25.00 534.50 48.00
Additional Bandwidths
×
>93 Cy3 Excitation / FITC Emission 250 - 1100
50.00 534.50 48.00 >93 Cy3 Excitation / FITC Emission 250 - 1100
12.50 540.00 56.00
Additional Bandwidths
×
>93 FITC Emission 250 - 1100
25.00 540.00 56.00
Additional Bandwidths
×
>93 FITC Emission 250 - 1100
50.00 540.00 56.00
Additional Bandwidths
×
>93 FITC Emission 250 - 1100
12.50 543.00 27.00 >93 YFP Emission / TRITC Excitation 250 - 1100
25.00 543.00 27.00 >93 YFP Emission / TRITC Excitation 250 - 1100
50.00 543.00 27.00 >93 YFP Emission / TRITC Excitation 250 - 1100
12.50 549.00 21.00 >93 Alexa Fluor® 532 Emission / DyLight™ Excitation 250 - 1100
25.00 549.00 21.00 >93 Alexa Fluor® 532 Emission / DyLight™ Excitation 250 - 1100
50.00 549.00 21.00 >93 Alexa Fluor® 532 Emission / DyLight™ Excitation 250 - 1100
12.50 550.00 100.00
Additional Bandwidths
×
>93 Broadband Green Fluorescence 250 - 1100
25.00 550.00 100.00
Additional Bandwidths
×
>93 Broadband Green Fluorescence 250 - 1100
50.00 550.00 100.00
Additional Bandwidths
×
>93 Broadband Green Fluorescence 250 - 1100
12.50 560.00 32.00
Additional Bandwidths
×
>93 561nm Laser Emission 250 - 1100
25.00 560.00 32.00
Additional Bandwidths
×
>93 561nm Laser Emission 250 - 1100
50.00 560.00 32.00
Additional Bandwidths
×
>93 561nm Laser Emission 250 - 1100
12.50 561.00 21.00
Additional Bandwidths
×
>93 Keima Red Excitation 250 - 1100
25.00 561.00 21.00
Additional Bandwidths
×
>93 Keima Red Excitation 250 - 1100
50.00 561.00 21.00
Additional Bandwidths
×
>93 Keima Red Excitation 250 - 1100
12.50 562.00 46.00 >93 Texas Red Excitation / mCherry Excitation 250 -1000
25.00 562.00 46.00 >93 Texas Red Excitation / mCherry Excitation 250 -1000
50.00 562.00 46.00 >93 Texas Red Excitation / mCherry Excitation 250 -1000
12.50 572.00 33.00
Additional Bandwidths
×
>93 SpectrumGold™ Emission 250 -1120
25.00 572.00 33.00
Additional Bandwidths
×
>93 SpectrumGold™ Emission 250 -1120
50.00 572.00 33.00 >93 SpectrumGold™ Emission 250 -1120
12.50 575.00 35.00
Additional Bandwidths
×
>93 Alexa Fluor® 568 Excitation 250 - 1100
25.00 575.00 35.00
Additional Bandwidths
×
>93 Alexa Fluor® 568 Excitation 250 - 1100
50.00 575.00 35.00
Additional Bandwidths
×
>93 Alexa Fluor® 568 Excitation 250 - 1100
12.50 578.00 22.00 >93 Alexa Fluor® 568 Excitation / Cy3.5 Emission 250 - 1100
25.00 578.00 22.00 >93 Alexa Fluor® 568 Excitation / Cy3.5 Emission 250 - 1100
50.00 578.00 22.00 >93 Alexa Fluor® 568 Excitation / Cy3.5 Emission 250 - 1100
12.50 585.00 40.00 >93 - 250 -1100
25.00 585.00 40.00 >93 - 250 -1100
50.00 585.00 40.00 >93 - 250 -1100
12.50 586.00 26.00
Additional Bandwidths
×
>93 SpectrumOrange™ Emission / SpectrumRed™ Excitation 250 -1120
25.00 586.00 26.00
Additional Bandwidths
×
>93 SpectrumOrange™ Emission / SpectrumRed™ Excitation 250 -1120
50.00 586.00 26.00 >93 SpectrumOrange™ Emission / SpectrumRed™ Excitation 250 -1120
12.50 591.50 49.00 >93 Cy3 Emission / TRITC Emission 250 - 1100
25.00 591.50 49.00 >93 Cy3 Emission / TRITC Emission 250 - 1100
50.00 591.50 49.00 >93 Cy3 Emission / TRITC Emission 250 - 1100
12.50 605.00 22.00 >93 Qdot® 605 Emission 250 - 1100
25.00 605.00 22.00 >93 Qdot® 605 Emission 250 - 1100
50.00 605.00 22.00 >93 Qdot® 605 Emission 250 - 1100
12.50 607.00 42.00 >93 GFP Emission / RFP Emission 250 -1000
25.00 607.00 42.00 >93 GFP Emission / RFP Emission 250 -1000
50.00 607.00 42.00 >93 GFP Emission / RFP Emission 250 -1000
12.50 615.00 26.00
Additional Bandwidths
×
>93 Alexa Fluor® 594 Emission / Cy3 Emission 250 - 1100
25.00 615.00 26.00
Additional Bandwidths
×
>93 Alexa Fluor® 594 Emission / Cy3™ Emission 250 - 1100
50.00 615.00 26.00 >93 Alexa Fluor® 594 Emission / Cy3™ Emission 250 - 1100
12.50 620.00 60.00
Additional Bandwidths
×
>93 - 250 - 1100
25.00 620.00 60.00
Additional Bandwidths
×
>93 - 250 - 1100
50.00 620.00 60.00
Additional Bandwidths
×
>93 - 250 - 1100
12.50 623.00 30.00
Additional Bandwidths
×
>93 Cy5 Excitation / Texas Red® Emission 250 - 1100
25.00 623.00 30.00
Additional Bandwidths
×
>93 Cy5 Excitation / Texas Red® Emission 250 - 1100
50.00 623.00 30.00 >93 Cy5 Excitation / Texas Red® Emission 250 - 1100
12.50 624.00 46.00
Additional Bandwidths
×
>93 Texas Red Emission / Cy5 Excitation 250 -1000
25.00 624.00 46.00
Additional Bandwidths
×
>93 Texas Red Emission / Cy5 Excitation 250 -1000
50.00 624.00 46.00 >93 Texas Red Emission / Cy5 Excitation 250 -1000
12.50 625.00 25.00
Additional Bandwidths
×
>93 Qdot® 625 Emission 250 - 1100
25.00 625.00 25.00
Additional Bandwidths
×
>93 Qdot® 625 Emission 250 - 1100
50.00 625.00 25.00
Additional Bandwidths
×
>93 Qdot® 625 Emission 250 - 1100
12.50 628.00 38.00
Additional Bandwidths
×
>93 SpectrumRed™ Emission / Cy5 Excitation 250 - 1100
25.00 628.00 38.00
Additional Bandwidths
×
>93 SpectrumRed™ Emission / Cy5 Excitation 250 - 1100
50.00 628.00 38.00 >93 SpectrumRed™ Emission / Cy5 Excitation 250 - 1100
12.50 631.00 28.00 >93 Alexa Fluor® 633 Excitation 250 - 1100
25.00 631.00 28.00 >93 Alexa Fluor® 633 Excitation 250 - 1100
50.00 631.00 28.00 >93 Alexa Fluor® 633 Excitation 250 - 1100
12.50 640.00 20.00
Additional Bandwidths
×
>93 635nm Laser Excitation 250 - 1100
25.00 640.00 20.00
Additional Bandwidths
×
>93 635nm Laser Excitation 250 - 1100
50.00 640.00 20.00
Additional Bandwidths
×
>93 635nm Laser Excitation 250 - 1100
12.50 640.50 81.00 >93 mCherry Emission 250 - 1100
25.00 640.50 81.00 >93 mcherry Emission 250 - 1100
50.00 640.50 81.00 >93 mCherry Emission 250 - 1100
12.50 648.00 20.00 >93 FITC Emission 250 - 1100
25.00 648.00 20.00 >93 FITC Emission 250 - 1100
50.00 648.00 20.00 >93 FITC Emission 250 - 1100
12.50 655.00 24.00
Additional Bandwidths
×
>93 Qdot® 655 Emission 250 - 1100
25.00 655.00 24.00
Additional Bandwidths
×
>93 Qdot® 655 Emission 250 - 1100
50.00 655.00 24.00
Additional Bandwidths
×
>93 Qdot® 655 Emission 250 - 1100
12.50 655.00 47.00
Additional Bandwidths
×
>93 Cy5.5 Excitation 250 - 1100
25.00 655.00 47.00
Additional Bandwidths
×
>93 Cy5.5 Excitation 250 - 1100
50.00 655.00 47.00
Additional Bandwidths
×
>93 Cy5.5 Excitation 250 - 1100
12.50 661.00 26.00 >93 Alexa Fluor®647 Excitation / TO-PRO®-3 Iodide Emission 250 - 1100
25.00 661.00 26.00 >93 Alexa Fluor®647 Excitation / TO-PRO®-3 Iodide Emission 250 - 1100
50.00 661.00 26.00 >93 Alexa Fluor®647 Excitation / TO-PRO®-3 Iodide Emission 250 - 1100
12.50 676.00 36.00
Additional Bandwidths
×
>93 Cy5 Emission 250 - 1100
25.00 676.00 36.00
Additional Bandwidths
×
>93 Cy5 Emission 250 - 1100
50.00 676.00 36.00
Additional Bandwidths
×
>93 Cy5 Emission 250 - 1100
12.50 692.00 47.00
Additional Bandwidths
×
>93 Cy5 Emission 250 - 1100
25.00 692.00 47.00
Additional Bandwidths
×
>93 Cy5 Emission 250 - 1100
50.00 692.00 47.00 >93 Cy5 Emission 250 - 1100
12.50 697.00 91.00 >93 Alexa Fluor® 680 Emission / Cy5.5™ Emission 250 - 1100
25.00 697.00 91.00 >93 Alexa Fluor® 680 Emission / Cy5.5™ Emission 250 - 1100
50.00 697.00 91.00 >93 Alexa Fluor® 680 Emission / Cy5.5™ Emission 250 - 1100
12.50 710.00 47.00 >93 Cy7 Excitation 250 - 1100
25.00 710.00 47.00
Additional Bandwidths
×
>93 Cy7 Excitation 250 - 1100
50.00 710.00 47.00 >93 Cy7 Excitation 250 - 1100
12.50 716.00 47.00 >93 Cy5 Emission 250 - 1100
25.00 716.00 47.00 >93 Cy5 Emission 250 - 1100
50.00 716.00 47.00 >93 Cy5 Emission 250 - 1100
12.50 732.00 76.00 >93 Cy7 Excitation / DY-732 Excitation 250 - 1100
25.00 732.00 76.00 >93 Cy7 Excitation / DY-732 Excitation 250 - 1100
50.00 732.00 76.00 >93 Cy7 Excitation / DY-732 Excitation 250 - 1100
12.50 769.00 48.00 >93 ICG-A Excitation 250 -1150
25.00 769.00 48.00 >93 ICG-A Excitation 250 -1150
50.00 769.00 48.00 >93 ICG-A Excitation 250 -1150
12.50 775.00 54.00
Additional Bandwidths
×
>93 Cy7 Emission 250 - 1100
25.00 775.00 54.00
Additional Bandwidths
×
>93 Cy7 Excitation 250 - 1100
50.00 775.00 54.00
Additional Bandwidths
×
>93 Cy7 Excitation 250 - 1100
12.50 785.00 71.00
Additional Bandwidths
×
>93 Alexa Fluor® 790 Excitation / IRDye 800RS Emission 250 - 1100
25.00 785.00 71.00
Additional Bandwidths
×
>93 Alexa Fluor® 790 Excitation / IRDye 800RS Emission 250 - 1100
50.00 785.00 71.00
Additional Bandwidths
×
>93 Alexa Fluor® 790 Excitation / IRDye 800RS Emission 250 - 1100
12.50 832.00 45.00
Additional Bandwidths
×
>93 ICG-A Excitation 250 - 1100
25.00 832.00 45.00
Additional Bandwidths
×
>93 ICG-A Excitation 250 - 1100
50.00 832.00 45.00 >93 ICG-A Excitation 250 - 1100

Product Details

Fluorescence microscopy and spectroscopy applications typically use a combination of three filters for each color channel (detection of individual fluorophores), an excitation and an emission bandpass filter, as well as a dichroic filter (also dichroic beamsplitters, such as our Fluorescence Dichroic Filters and High-Performance Fluorescence Dichroic Filters). More information on fluorescence microscopy and an example beam path can be found in the AppNote Fluorophores and Optical Filters for Fluorescence Microscopy. In short, excitation filters “clean up” the excitation light used to excite the fluorophores in the sample. On the other hand, emission filters allow only the emitted fluorescence to pass through to the detector while effectively blocking the excitation light and different wavelengths, producing high-contrast images and superior image clarity.

Our fluorescence bandpass filters are engineered with cutting-edge technology and are designed to enhance signal-to-noise ratios, improve contrast, and deliver excellent performance in optical imaging applications. These filters are designed to be widely compatible with microscopes from Nikon, Olympus, and Zeiss, making them suitable for various imaging applications, including widefield, confocal, multiphoton, and other fluorescence microscopy modalities. Whether you are imaging fixed cells, live cells, or tissues, our filters are engineered to deliver consistent and reliable image quality. Additionally, these filters can be used for fluorescence detection in qPCR, flow cytometry, or multi-well plate readers in applications such as immunofluorescence or high-throughput screening in which fluorescent molecules or dyes detect specific molecular structures or DNA sequences.

TECHSPEC® Fluorescence Bandpass Filters are optimized for maximum transmission within a specific wavelength range. They effectively isolate fluorescence signals from background noise, enhancing sensitivity and enabling more accurate detection of fluorophores. Explore our range of filters today and unleash the full potential of your fluorescence microscopy setup.

Technical Information

All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.
All mounted TECHSPEC® Optical Filters have an arrow on the side of the mount that points to the filter-coated surface for quick reference. Filter oriented such that arrow points to filter coated surface S1. Anti-reflective (AR) coating is applied to S2.

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