The K&F Concept Nano-B Series Single-Sided Linear Pentaprism Filter (77mm) is a creative special effects camera filter designed for DSLR and mirrorless lenses with a 67mm filter thread. It is built to produce a striking directional light-streak and split-image effect, ideal for experimental and cinematic photography.
This single-sided linear pentaprism filter refracts incoming light to create a five-sided split or linear motion trail effect on one side of the frame, while keeping the main subject relatively clear in the unaffected area. The result is a dramatic composition that adds motion, energy, and abstraction directly in-camera without post-processing.
Constructed from high-transmission K9 optical glass, the filter maintains good light clarity while bending light into controlled streaks. The rotatable frame design allows photographers to reposition the effect to any side of the image (top, bottom, left, or right), offering flexible creative control depending on composition and subject placement.
The Nano-B Series slim aluminum alloy frame helps reduce vignetting and ensures smooth mounting on compatible lenses, making it suitable for both still photography and video work.
| Brand | K&F Concept |
| Series | Nano-B Series |
| Model | KF01.2817V1 |
| Product Type | Single-Sided Linear Pentaprism Special Effect Filter |
| Filter Size | 77mm |
| Optical Glass | High-Transmission K9 Optical Glass |
| Effect | Directional Linear / Split Light Trail (Single-Sided Prism Effect) |
| Frame Design | Rotatable Slim Aluminum Alloy Frame |
| Coating | Anti-Reflection Multi-Coating |
| Creative Use | Cinematic Photography, Motion Effects, Experimental Visual Storytelling |
| Optical Characteristics | High Light Transmission, Controlled Refraction, Directional Blur/Streak Effect |
| Compatibility | 77mm DSLR & Mirrorless Camera Lenses |
| Applications | Creative photography, portrait shoots, music visuals, cinematic video production, abstract compositions |
| Warranty Terms | No Warranty – replacement available if product is found defective within 5 working days. |
| Brand | |
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| Product Categories | Filters |