Description
Article no.: 28288
NiSi Filter UV SMC L395 52mm – Ultra-thin 3 mm filter that cuts UV below 395nm
The NiSi Filter UV SMC L395 52mm reduces ultraviolet light under 395 nm while offering an ultra-thin profile. It uses high quality Japanese optical glass and a durable aluminum frame. Additionally, the filter includes a front screw thread to accept lens caps and accessories.
Key optical characteristics
The glass in this filter is engineered for high transmittance and low reflection. Specifically, it provides very high light transmission and a low surface reflection figure. Moreover, both sides of the filter receive multi-coating to help preserve image quality and minimize unwanted reflections.
Design and build quality
The filter frame is made from high-quality aluminum and measures only 3 mm in thinness. This ultra-thin frame fits well on wide angle lenses and helps minimize vignetting. In addition, superfine dull polishing and carefully crafted knurling prevent the frame from blanching after repeated rotation, so the finish remains consistent with regular use.
Practical features and handling
- Ultra thin, only 3 mm: Minimizes vignetting on wide angle lenses.
- Multi coating on both sides: Helps reduce reflections and supports higher image fidelity.
- High quality optical glass: Provides high transmittance (greater than 98.3%) and a smooth surface with low reflection (0.5%).
- Protects the lens: Shields the front element from dust and physical damage.
- Hard waterproof and oil repellent coating on outer side: Resists spills and fingerprints, making the filter more durable in the field.
- Easy to clean: The outer coating and smooth surface simplify routine maintenance.
Furthermore, the filter’s front screw thread allows you to attach lens caps and other accessories directly, improving convenience during shoots.
Compliance and materials
All materials used in this filter meet the European Union's environmental protection standard ROHS (Restrictions on Hazardous Substances). In other words, the components contain no hazardous substances as defined by that standard.
Technical specifications
| Specification | Value |
|---|---|
| Model | NiSi Filter UV SMC L395 |
| Mount size | 52mm |
| UV cut-off | Under 395 nm |
| Frame thinness | 3 mm |
| Transmittance | >98.3% |
| Surface reflection | 0.5% |
| Coating | Double-sided multi-coating; outer side hard waterproof and oil repellent coating |
| Glass | High quality Japanese optical glass |
| Frame material | High quality aluminum |
| Environmental standard | ROHS compliant |
FAQ
Question: Will this filter cause vignetting on wide angle lenses?
Answer: Because the frame is ultra-thin (3 mm), it is designed to minimize vignetting on wide angle lenses. However, performance can still vary depending on the specific lens and camera combination.
Question: How does the filter affect image quality and reflections?
Answer: The filter uses high quality Japanese optical glass and multi-coating on both sides to maintain high transmittance (>98.3%) and low reflection (0.5%). These treatments help preserve image quality while reducing unwanted reflections.
Question: Is the filter durable and easy to maintain?
Answer: Yes. The aluminum frame features superfine dull polishing and knurling to prevent blanching from repeated rotation. The outer side has a hard waterproof and oil repellent coating, which makes the filter easier to clean and more resistant to handling in the field.
Question: Can I attach a lens cap or other accessories to this filter?
Answer: Yes. The filter includes a screw thread on the front of the frame so you can install a lens cap or other threaded accessories directly.