Professional UV Filters - UV Series
HOYA CANDEO UV Series filters are precision optical glass long-pass filters designed to block ultraviolet (UV) wavelengths while transmitting visible and longer wavelengths. These absorptive filters provide stable and reliable spectral control for optical and imaging systems. By suppressing unwanted UV radiation, UV Series filters help improve image clarity, reduce haze, and enhance contrast in cameras, inspection equipment, and scientific instruments. They are suitable for photography, laboratory use, and a wide range of industrial optical applications. Manufactured from high-quality optical glass, each filter delivers consistent performance and dependable wavelength control. For detailed spectral characteristics and technical specifications, please refer to the official HOYA CANDEO documentation.
Key Features:
- High-precision UV wavelength transmission control
- Professional-grade optical quality
- Standard 50×50mm square format
- 3.0mm thickness for enhanced durability
- Blocks visible light for pure UV imaging
- Ideal for UV photography, fluorescence microscopy, and material analysis
Available Series:
- UV-28N: 280nm UV transmission filter
- UV-30N: 300nm UV transmission filter
- UV-32N: 320nm UV transmission filter
- UV-34N: 340nm UV transmission filter
- UV-36N: 360nm UV transmission filter
📊 Comparison Chart
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Compare all filter specifications, transmission characteristics, and technical data on the HOYA CANDEO website.
Technical Specifications
| Item | Standard Value | Color specification (Standard illuminants A) |
Thickness | Chemical property |
Thermal properties | Mechanical properties |
Specific gravity |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| model | λT (nm) |
∆λ (nm) |
TH (%) | x | y | mm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | d |
| UV-28N | 280±7 | <45 | >85 | - | - | 2.5 | 2 | 1 | 572 | 642 | 73.3 | 86.5 | 525 | 100 | 2.61 |
| UV-30N | 300±7 | <45 | >85 | - | - | 2.5 | 2 | 1 | 533 | 622 | 59.6 | 65 | 515 | 80 | 2.50 |
| UV-32N | 320±7 | <25 | >85 | - | - | 2.5 | 2 | 2 | 572 | 630 | 68.6 | 83 | 495 | 130 | 3.23 |
| UV-34N | 340±7 | <35 | >85 | - | - | 2.5 | 1 | 3 | 447 | 490 | 79.1 | 91 | 415 | 150 | 4.01 |
| UV-36N | 360±7 | <40 | >85 | - | - | 2.5 | 2 | 2 | 587 | 646 | 68.8 | 84 | 600 | 90 | 2.52 |
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