Professional Heat Absorbing Filters - HA Series
HOYA Candeo HA-Series heat absorbing filters provide precise infrared wavelength blocking for professional imaging, projection systems, and optical applications. These filters selectively absorb heat-generating infrared radiation while maintaining high visible light transmission, making them ideal for protecting sensitive optical equipment, projection systems, and scientific instruments from thermal damage.
Key Features:
- High-precision infrared wavelength absorption control
- Professional-grade optical quality
- Standard 50×50mm square format
- 3.0mm thickness for enhanced thermal protection
- High visible light transmission with effective IR blocking
- Ideal for projection systems, optical instruments, and thermal management applications
Available Series:
- HA5: Heat absorbing filter with T750<6%, T1000<1%, Tav 63±5%
- HA15: Heat absorbing filter at 380±5nm with T750<15%, Tav 70±5%
- HA30: Heat absorbing filter with T750<35%, T1000<1%, Tav 80±5%
- HA50: Heat absorbing filter with T750<55%, T1000<3%, Tav 80±5%
Technical Specifications
| Item | Transmittance Specification (%) | Color specification (Standard illuminants A) |
Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| λTmax | Specific wavelength | Tav | x | y | mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | d | ||
| HA5 | – | T750<6 | T1000<1 | 63±5 | 0.424 | 0.419 | 3.00 | 1.525 | 1 | – | 595 | – | – | 64 | 517 | – | 2.63 |
| HA15 | 380±5 | T750<15 | – | 70±5 | 0.431 | 0.414 | 3.00 | 1.524 | 1 | – | 597 | – | – | 65 | 502 | – | 2.64 |
| HA30 | – | T750<35 | T1000<1 | 80±5 | 0.438 | 0.412 | 3.00 | 1.519 | 1 | – | 565 | 620 | – | 66 | – | – | 2.61 |
| HA50 | – | T750<55 | T1000<3 | 80±5 | 0.440 | 0.411 | 3.0 | 1.515 | 1 | – | 560 | 615 | – | 66 | – | – | 2.60 |
