Beskrivelse
Artnr: 28304
NiSi Filter Protector Pro Nano Huc 55mm beskytter forreste linseelement mod støv og stød, samtidig med at billedkvaliteten bevares. Den bruger optisk glas af høj kvalitet med nano-belægninger på begge sider for at sikre høj lystransmission. Den ultra-tynde aluminiumsramme gør det muligt at montere filteret på vidvinkelobjektiver med minimal risiko for vinjettering.
Filteret kombinerer en tynd, præcisionsbearbejdet ramme med behandlet optisk glas. Resultatet er, at det beskytter forreste linseelement og fortsat er nemt at håndtere og vedligeholde ved gentagen brug.
NiSi har anvendt superfint matpolering og detaljeret mønstring (knurling) på rammen. Denne behandling sikrer, at rammen ikke bliver afbleget ved gentagen rotation. I praksis giver kombinationen af omhyggelig polering og mønstring et pålideligt greb og ensartet rotation uden overflade-slitage, der ville påvirke udseende eller håndtering.
Brug denne protector, når du har brug for at beskytte forreste linseelement mod støv og mindre stød uden at gå på kompromis med lystransmissionen. Den tynde ramme gør den særligt velegnet til vidvinkelfotografering, hvor reduktion af vinjettering er vigtig.
| Specification | Details |
|---|---|
| Product | NiSi Filter Protector Pro Nano Huc |
| Diameter | 55mm |
| Frame thickness | 3.5mm |
| Light transmittance | >99.3% |
| Surface reflection | 0.3% reflection |
| Coating | U-type Nano coating on both sides |
| Additional surface treatment | Hardened waterproof coating; superfine dull polishing and elaborate knurling |
Question: Will this filter cause vignetting on wide-angle lenses?
Answer: The filter uses an ultra-thin 3.5mm frame designed to minimise vignetting on wide-angle lenses, so it is suitable for applications where edge-to-edge coverage matters.
Question: How much light does the protector let through and does it affect image quality?
Answer: The high quality optical glass provides very high light transmittance (>99.3%) with only 0.3% reflection. These values indicate the protector is engineered to preserve image brightness and minimise unwanted reflections.
Question: Is the filter easy to keep clean and durable in the field?
Answer: Yes. The U-type nano coatings on both sides and the hardened waterproof coating make the glass easier to clean. Additionally, superfine dull polishing and elaborate knurling help prevent the frame from blanching during repeated rotation, supporting long-term handling.
Question: What protection does the filter provide for my lens?
Answer: The protector shields the lens front element from dust and minor impacts while maintaining high transmittance, so you can safeguard the glass without compromising optical performance.