K&F CONCEPT 49mm UV Filter 28-layer coated for cameras
Product description
This 49mm UV lens filter from K&F Concept offers lightweight protection and subtle image improvement for DSLR and mirrorless users who want to shield their front element while keeping colours natural. It reduces ultraviolet haze in bright outdoor scenes and acts as a first line of defence against dust, fingerprints and incidental knocks, making it useful for travel, landscape and everyday photography.
Key Points
The filter uses a multi-coated optical design with 28 layers, which the manufacturer states gives a higher transmission rate compared with many basic UV filters. The glass is listed as B270 optical glass from Germany, chosen for its scratch resistance and consistent clarity. At just 3.3 mm thick, the slim profile is intended to minimise vignetting on wide-angle lenses while still accepting lens caps and threaded accessories.
Technical Specifications
- Name: K&F CONCEPT 49mm UV Filter
- Diameter: 49 mm
- Glass type: B270 optical glass
- Coating: 28-layer multi-coated, multi-resistant coating
- Thickness: 3.3 mm
- Features: Waterproof and multi-resistant coating (manufacturer description)
Benefits
Using a UV filter like this one can help reduce the bluish cast and atmospheric haze that sometimes appear in seaside or mountain photography, according to the manufacturer. The extra coatings aim to repel oil, water and dust which supports easier cleaning and maintenance of the front element. Because it is slim, the filter is less likely to cause corner shading on wide lenses while remaining simple to screw on and leave in place during shoots.
Practical Tips
When mounting any slim filter, check for mechanical vignetting on the widest focal lengths you use and remove it if necessary for critical ultra-wide shots. Consider cleaning with a dedicated microfibre cloth and lens solution; the multi-resistant coating helps but does not make the glass impervious to scratches or abrasive particles. Note that compatibility depends on the lens thread size marked with the ø symbol, and this model fits lenses with a 49 mm thread.