K&F Concept 67mm Magnetic ND Lens Filters Kit - Fast Magnetic Swap

In this review the K&F Concept 67mm Magnetic ND Lens Filters Kit is examined for photographers who need fast, reliable exposure control without fiddly threads. The single biggest reason to buy is the magnetic adapter ring plus filters combination that lets you swap filters in under a second, which really matters for changing light and decisive moments. The kit is presented as a practical, no-nonsense accessory set that balances optical quality with quick usability for on-the-go photography.

Key Features

• Magnetic quick swap: The magnetic adapter ring and filters let you install or change a filter in under one second, reducing missed shots when light changes fast.
• Multi-stop ND options: The included ND8, ND64 and ND1000 provide roughly 3, 6 and 10 stops of light reduction to handle partly cloudy to very bright conditions.
• Graduated control: The GND8 adds a graduated density option for balancing sky and foreground exposure in landscape work.
• Optical quality: Filters are made from AGC optical glass with 28 multi-layer coatings to reduce reflections and preserve image clarity.
• Ultra slim frame: Frames range from about 1.9mm to 3.33mm to minimise vignetting on wide-angle lenses and keep corners clean.
• Convenient kit contents: The set ships with a magnetic basic ring and a compact pouch for transport and storage of the five-piece kit.

Who It's For

The kit is ideal for landscape and outdoor photographers who use a 77mm lens thread and need quick exposure control without swapping threaded filters. Street and event shooters who must react quickly will appreciate the fast magnetic swap and secure snap that customers have noted.

It is less suitable for photographers who use lenses with other thread sizes or who need a full holder system for square graduated filters; confirm you have a 77mm lens before ordering. Studio shooters who rely on precise, repeatable filter positioning might prefer conventional threaded or holder systems for certain workflows.

Pros & Cons

Pros

• Quick magnetic installation that saves time when light or scene composition changes.
• Good optical performance from AGC glass with 28 multi-layer coatings to reduce glare.
• Useful range of ND stops plus a GND for landscape exposure control.
• Ultra slim frames help avoid vignetting on wide-angle shots.

Cons

• Only fits 77mm lenses, so you must confirm thread size before purchase.
• Some users gave mixed feedback on protection, so a dedicated hard case may be needed for heavy travel.

Specifications

Kit contents	GND8, ND8, ND64, ND1000, Magnetic Basic Ring, Filter Pouch
Filter thread size	77mm
Glass type	AGC optical glass
Coatings	28 multi-layer coatings
Frame profile	Ultra slim 1.9mm-3.33mm
Light reduction	ND8 (~3 stops), ND64 (~6 stops), ND1000 (~10 stops)

Our Verdict

The K&F Concept 67mm Magnetic ND Lens Filters Kit is a practical, good-value option for photographers with a 77mm lens who want fast, reliable neutral density control and minimal vignetting. Optical glass and heavy coatings deliver solid image quality, while the magnetic system speeds up workflow; buy this if speed and convenience matter more than cross-compatibility with other thread sizes.

Frequently Asked Questions

Will these filters fit my lens?
They fit lenses with a 77mm thread; confirm your lens size before purchasing.

Do the filters reduce reflections?
Yes, the AGC optical glass with 28 multi-layer coatings is designed to reduce reflections and glare.

How fast is the filter swap?
The magnetic adapter ring and filters allow swaps in under one second, which is useful for changing light and fast shooting.