K&F Concept 49mm UV/CPL/ND Lens Filter Kit (3 Pieces)-18

Product Overview

The K&F Concept 49mm UV/CPL/ND Lens Filter Kit delivers a complete 3-piece solution for photographers and videographers working with 49mm lens threads. Built around high-performance imported Japanese optical glass, each filter is engineered to maintain image clarity while offering essential protection and creative control. The kit includes a UV filter, a circular polarizer (CPL), and a neutral density filter (ND4), all treated with 18 layers of nanometer coatings to minimize reflections and preserve true-to-life color reproduction. Designed for real-world shooting conditions, this set also comes with a static-free microfiber cleaning cloth and a dedicated filter pouch, ensuring your gear stays clean, organized, and ready for action in any environment.

Key Features

• UV Filter: Acts as a permanent protective barrier against dust, moisture, and minor scratches. It also blocks ultraviolet light, which can cause hazy or bluish color casts—especially noticeable at high altitudes or near large bodies of water. Ideal for everyday lens protection without compromising image quality.
• Circular Polarizer (CPL): Enhances color saturation and contrast by eliminating unwanted glare from non-metallic surfaces such as water, glass, and foliage. This filter is particularly effective in landscape photography, where it can deepen blue skies, reveal hidden details in wet rocks, and improve overall scene clarity under bright sunlight.
• Neutral Density Filter (ND4): Reduces light entering the lens by 2 stops, enabling longer shutter speeds or wider apertures in brighter conditions. Best used on overcast days or in soft lighting, it allows for creative effects like motion blur in moving water or smoother video footage without overexposure.
• Premium Optical Glass: All three filters are crafted from imported Japanese optical glass, known for its clarity and consistency. The 18-layer nanometer coating on each filter minimizes flare and ghosting while ensuring accurate color transmission and high anti-reflectivity.
• Durable CNC Frame: The precision-machined aluminum frame is designed for longevity and ease of use. Its textured surface increases grip, making it easier to install and remove the filters—even with gloves—while resisting warping and thread damage over time.
• Included Accessories: The static-free microfiber cleaning cloth safely removes fingerprints, dust, and smudges without scratching delicate lens surfaces. The included filter pouch provides secure, organized storage for all three filters, making it easy to carry and access them during shoots.

Technical Specifications

• Filter Thread Size: 49mm (compatible with lenses marked Ø49)
• Filter Types: UV, CPL (Circular Polarizer), ND4 (Neutral Density, 2-stop)
• Glass Material: Imported Japanese optical glass
• Coatings: 18-layer multi-coating on each filter
• Frame Construction: CNC-machined aluminum
• Included Accessories: Microfiber cleaning cloth, filter storage pouch
• Number of Filters: 3

Benefits & Use Cases

This filter kit is built for photographers who value both protection and image enhancement. The UV filter is ideal for daily use, shielding your lens from environmental hazards while maintaining optical clarity. The CPL filter shines in outdoor settings—whether you’re shooting reflections on a lake, capturing vibrant foliage, or trying to cut through glare on a sunny day. The ND4 filter opens up creative possibilities in softer lighting, allowing for intentional motion blur or shallow depth of field even when light levels are moderate. Together, these filters support a wide range of shooting styles, from landscape and travel photography to casual videography. The compact storage pouch keeps everything organized, so you can focus on capturing the moment instead of managing gear.

Important Notes

Before purchasing, confirm your lens has a 49mm thread size. This is typically indicated by the “Ø49” marking on the lens barrel or front ring. This kit is not compatible with other thread sizes. Always check your lens specifications to ensure a proper fit. For cleaning, use only the included microfiber cloth—avoid abrasive materials or excessive pressure, as this may damage the delicate multi-layer coatings. Store filters in the provided pouch in a dry, temperate environment to prevent moisture buildup. When attaching or removing filters, handle them carefully to avoid cross-threading, and take advantage of the CNC frame’s improved grip for smoother operation.