Description
Specifications:
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Brand: K&F Concept
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Type: 3-in-1 Multi-Function Filter
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ND Range: ND2–ND32 (1–5 stops variable neutral density)
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CPL Function: Built-in circular polarizer reduces glare and reflections
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Diffusion Effect: Black Mist 1/4 softens highlights and adds cinematic glow
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Sizes Available: 37mm / 49mm / 52mm / 58mm / 67mm / 72mm / 77mm / 82mm
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Material: High-definition optical glass
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Coating: Multi-layer Nano-X (scratch-resistant, waterproof, anti-reflective)
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Frame: Ultra-slim aluminum alloy frame to minimize vignetting
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Use: Photography and videography (portraits, landscapes, cinematic video)
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Compatibility: DSLR & mirrorless lenses from Canon, Sony, Nikon, Fujifilm, Panasonic, Olympus, etc.
The K&F Concept 3-in-1 ND2–32 + CPL + Black Diffusion 1/4 Filter combines three essential functions in a single lens accessory: variable neutral density, circular polarizer, and cinematic diffusion. With an adjustable ND range of 1–5 stops, it provides flexible exposure control for long exposures and video recording.
The CPL polarizer reduces glare and unwanted reflections from water, glass, and shiny surfaces, while enhancing sky contrast and color saturation. The built-in Black Mist 1/4 effect softens highlights, reduces harsh contrast, and adds a natural cinematic glow to portraits and videos.
Crafted from premium optical glass with multi-layer Nano-X coatings, the K&F Concept 3-in-1 Filter ensures durability, clarity, and professional-quality results. Available in sizes 37mm to 82mm, it’s a versatile choice for both photographers and filmmakers.

Shipping & Return
📦 Shipping & Delivery Policy – RC Photo Gear
Total Delivery Time = Processing Time + Shipping Time
All delivery times provided are based on historical order data and are estimates only. Actual times may vary depending on your location and courier service.
Processing Time
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Orders are processed within 1–3 business days from the date of purchase.
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Once your order has been processed, it will be shipped using your selected delivery method.
Shipping Options
|
Country/Region |
Shipping Method |
Cost |
Shipping Time |
|
United States |
Standard Shipping |
Free Shipping |
6-14 Business Days |
Free Worldwide Shipping
We are pleased to offer free worldwide shipping on all orders. Estimated delivery times are as follows:
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Australia: 10-14 business days
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USA: 6–14 business days
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UK: 6–14 business days
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Europe: 6–15 business days
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Rest of the World: 6–20 business days
Important Notes
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Public Holidays: Shipping times may be delayed during public holidays due to limited operations by couriers and manufacturers. Normal service resumes immediately afterward.
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Refused Deliveries: If an order is refused and returned to us, a 90% refund will be issued once the item has been received back at our facility.
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Incorrect Address: Providing incomplete or incorrect address details may cause significant delays or failed deliveries.
Order Tracking
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Once your order has shipped, you will receive an email confirmation with tracking details.
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In some cases, you may also receive an SMS notification from the courier.
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Tracking updates may take 1–2 business days to appear after your order has been dispatched.
Taxes & Duties
Our customers are not required to pay additional import fees, duties, or VAT on deliveries.
Contact Us
For any shipping or delivery inquiries, please contact our customer service team:
📍 Address: 100 N. Stone Ave., Suite 222A, Tucson, AZ 85701, USA
📞 Phone: +1 520-352-7908
📧 Email: rcphotogear@yahoo.com
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