
( Brand: Hoya )
Experience unparalleled optical precision with the Hoya FR5 Flat Disc Faraday Filter, a specialized product meticulously crafted for professional applications in the realm of optics and photonics. Measuring 331mm in diameter, this filter offers a substantial surface area suitable for a wide range of equipment and applications.
The filter features an aperture of 0.83, ensuring a precise and focused beam of light. This attribute is particularly beneficial for applications where a specific wavelength or polarization of light is required. Moreover, the filter boasts a thickness of 13.0mm, which not only enhances its durability but also enables effective light manipulation.
The heart of this filter is the FR5 glass, a high-quality, fluorite-based material renowned for its exceptional light transmission and low birefringence. This ensures minimal distortion and maximum clarity in the transmitted light, making it an ideal choice for sensitive and demanding applications.
Lastly, the filter comes with a rim width of 21mm, providing a secure and stable fit in compatible optical equipment. The Hoya FR5 Flat Disc Faraday Filter is an essential tool for researchers, engineers, and technicians who demand the highest levels of performance and reliability from their optical components. Embrace the future of optics with this outstanding product from Hoya.
1. High-quality Glass: Hoya is a reputable brand known for producing high-quality optical glass. This product is no exception, featuring a Fluorite (Fr5) glass that reduces chromatic aberrations.
2. High Transmission: With a high refractive index, this lens offers excellent transmission of light, which can be beneficial in various photographic applications.
3. Broad Spectrum Use: The lens is designed for use in the UV, Visible, and NIR ranges, making it versatile for various photometric applications.
4. Anti-Reflective Coating: The lens comes with an anti-reflective coating that helps to minimize reflections and enhance image quality.
Cons:1. Price: As with many high-quality optical lenses, this Hoya lens may be expensive compared to lower-quality alternatives.
2. Specialized Use: While versatile, this lens is specifically designed for 331mm and may not be suitable for other focal lengths without additional adapters.
3. Potential Handling Issues: Being a flat disc, the lens may require additional mounting or handling equipment to ensure stability during use.
Conclusion:The Hoya 0.83 13.0mm Flat Disc Faraday Fr5 Glass 21mm is a high-quality lens ideal for those seeking excellent transmission and chromatic aberration reduction in their photometric applications. However, its specialized use, potential handling issues, and high price may make it less suitable for budget-conscious photographers or those with general photography needs.
Recommendation:If you are a professional or enthusiast photographer or scientist requiring superior image quality in your specific photometric applications and are willing to invest in a high-quality lens, the Hoya 0.83 13.0mm Flat Disc Faraday Fr5 Glass 21mm could be an excellent choice. For those with more general photography needs or a limited budget, it may be more prudent to consider less specialized and less expensive options.
Please before buying if you require a different shipping method.
This is in fair condition with no significant chips but some small surface scratches. Warranty items listed as is do not include any warranty.
Ships in the original Hoya wood en case as shown.
Items listed as new or used are guaranteed to arrive in the condition described in the listing. It is quite heavy, about 24lb in the case.
Large 331mm diameter x 21mm thick disc of Hoya fr5 glass.