Professional Blue Filters - B Series
HOYA Candeo B-Series blue filters provide precise blue wavelength transmission control for professional imaging, scientific research, and industrial applications. These filters selectively transmit blue light while blocking other wavelengths, making them ideal for fluorescence microscopy, color separation, and optical analysis.
Key Features:
- High-precision blue wavelength transmission control
- Professional-grade optical quality
- Standard 50×50mm square format
- 2.5mm thickness for enhanced durability
- Selective blue light transmission
- Ideal for fluorescence microscopy, color photography, and spectroscopy
Available Series:
- B370: Blue transmission filter with peak at 370nm range
- E-B390: Enhanced blue transmission filter at 390nm range
- B410: Blue transmission filter at 410nm range
- B440: Blue transmission filter at 440nm range
- B460: Blue transmission filter at 460nm range
Technical Specifications
| Item | Standard Value | Color specification (Standard illuminants A) |
Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tmax (%) |
λs1 (nm) |
λl5 (nm) |
x | y | mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | d | |
| B370 | 82±3 | >290 | <480 | – | – | 2.5 | 1.528 | 2 | 1 | 515 | 565 | – | 102 | 540 | 110 | 2.62 |
| E-B390 | 78±3 | >310 | <510 | – | – | 2.5 | 1.514 | 1 | 1 | 485 | 535 | 92 | 104 | 510 | 110 | 2.57 |
| B410 | 91±3 | >250 | <600 | 0.198 | 0.339 | 2.5 | 1.467 | 3 | 4 | 410 | 500 | 70 | 79 | 420 | 120 | 2.27 |
| B440 | 47±3 | >350 | <520 | – | – | 2.5 | 1.534 | 1 | 1 | 480 | 535 | 90 | 105 | 530 | 110 | 2.70 |
| B460 | 85±3 | >320 | <700 | 0.273 | 0.402 | 2.5 | 1.527 | 2 | 1 | 505 | 555 | 94 | 109 | 540 | 110 | 2.60 |
