Infrared Transmitting Filters (IR, RM, RT)

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Professional Infrared Transmitting Filters - IR, RM, RT Series

HOYA CANDEO Infrared Transmitting Filters provide precise infrared wavelength control for professional imaging, scientific research, thermal imaging, and industrial applications. Available in IR, RM, and RT series covering wavelengths from visible light cutoff to near-infrared transmission.

Key Features:

  • High-precision infrared wavelength transmission control
  • Professional-grade optical quality
  • Standard 50×50mm square format
  • 2.5mm thickness for enhanced durability
  • Blocks visible light while transmitting infrared
  • Ideal for IR photography, thermal imaging, night vision, and spectroscopy

Available Series:

  • IR Series (IR76N to IR85N): Infrared pass filters from 760nm to 850nm
  • RM Series (RM90, RM100): Red-infrared pass filters from 770nm to 1050nm
  • RT Series (RT830): Specialized infrared transmission filter at 830nm

📊 Comparison Chart

View Detailed Colored Glass Filters Comparison Chart →

Compare all filter specifications, transmission characteristics, and technical data on the HOYA CANDEO website.

Technical Specifications

IR Series

Item Standard Value Thickness Refractive Index Chemical property Thermal properties Mechanical properties Specific gravity
Model λT
(nm)		 ΔλT
(nm)		 TH
(%)		 mm 600nm DW DA Tg Ts α
-30/70		 α
100/300		 HK FA S
IR76N 760±10 <60 – 2.5 1.561 1 2 495 545 89 99 500 160 2.84
IR80N 800±10 <60 – 2.5 1.563 1 3 495 550 87 100 500 160 2.85
IR83N 830±10 <60 – 2.5 1.569 2 4 500 555 99 109 500 160 2.99
IR85N 850±10 <60 – 2.5 1.572 1 4 490 535 92 102 500 150 3.02

RM90

Item Standard Value Thickness Refractive Index Chemical property Thermal properties Mechanical properties Specific gravity
λ5
(nm)		 λ1200
(nm)		 mm 600nm DW DA Tg Ts α
-30/70		 α
100/300		 HK FA D
RM90 >770 <1050 2.5 * 3 3 400 490 107 125 450 170 3.15

RM100

Item Standard Value Thickness Refractive Index Chemical property Thermal properties Mechanical properties Specific gravity
λ5
(nm)		 λ1200
(nm)		 mm 600nm DW DA Tg Ts α
-30/70		 α
100/300		 HK FA d
RM100 >850 80±5 2.5 1.620 3 4 450 490 98 115 460 180 3.23

RT830

Item Standard Value Thickness Refractive Index Chemical property Thermal properties Mechanical properties Specific gravity
T830
(%)		 T700
(%)		 T1200
(%)		 mm 600nm DW DA Tg Ts α
-30/70		 α
100/300		 HK FA d
RT830 82±5 <5 <1 2.5 1.536 1 1 545 605 – 101 510 140 2.75

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