K&F Concept Nano-C Series 4 to 8-Point Variable Star Filter (77mm)

The Variable Star Filter 77mm from K&F Concept is a creative optical filter designed for lenses with a 77mm filter thread. It transforms concentrated light sources into distinctive star-shaped highlights, making it particularly useful for night scenes, city photography, portraits, concerts and stylized video production.

Unlike a fixed star filter, its adjustable design allows the appearance of the effect to move between 4-point and 8-point star patterns. By rotating the filter, creators can adapt the visual character of practical lights and reflections to better match the composition rather than being limited to one predefined look.

The filter is especially effective when working with streetlights, decorative lighting, candles, illuminated signs, reflective surfaces and other bright points within the frame. This makes the Variable Star Filter 77mm useful for photographers who want to introduce a more expressive visual style directly during capture.

Its 77mm size makes it suitable for compatible photography and cinema lenses without requiring an additional adapter ring. The rotating mechanism also allows adjustments to be made quickly while composing a shot, which is useful when lighting positions or camera angles change during production.

The Nano-C Series design is intended for creators who want a compact filter that can remain part of a lightweight photo or video kit. It can be used for still photography as well as cinematic sequences where practical lighting becomes an important element of the image.

For night photography, music videos, commercial content and creative portrait work, the Variable Star Filter 77mm provides a simple way to introduce controlled starburst effects without creating them later in post-production.

In The Box : 

• K&F Concept Nano-C Series 4 to 8-Point Variable Star Filter (77mm)
• Limited 2-Year Manufacturer Warranty