--- product_id: 594780218 title: "40.5mm Circular Polarizer Filter,18 Multi-Coated Optical Glass Circular Polarizing Filter Ultra-Slim for Camera Lenses with Cleaning Cloth (K Series) | 18 Multi-Coated Circular Polarizing Filter for Camera Lens with Cleaning Cloth (K Series) FC301" brand: "k&f concept" price: "€ 28.49" currency: EUR in_stock: true reviews_count: 7 category: "K&F Concept" url: https://www.desertcart.pt/products/594780218-40-5mm-circular-polarizer-filter-18-multi-coated-optical-glass store_origin: PT region: Portugal --- # 18-layer multi-coating for vivid colors Ultra-slim 5.3mm frame prevents vignetting Japanese AGC optical glass for true color 40.5mm Circular Polarizer Filter,18 Multi-Coated Optical Glass Circular Polarizing Filter Ultra-Slim for Camera Lenses with Cleaning Cloth (K Series) | 18 Multi-Coated Circular Polarizing Filter for Camera Lens with Cleaning Cloth (K Series) FC301 **Brand:** k&f concept **Price:** € 28.49 **Availability:** ✅ In Stock ## Summary > 📸 Capture True Colors, Leave Reflections Behind! ## Quick Answers - **What is this?** 40.5mm Circular Polarizer Filter,18 Multi-Coated Optical Glass Circular Polarizing Filter Ultra-Slim for Camera Lenses with Cleaning Cloth (K Series) | 18 Multi-Coated Circular Polarizing Filter for Camera Lens with Cleaning Cloth (K Series) FC301 by k&f concept - **How much does it cost?** € 28.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/594780218-40-5mm-circular-polarizer-filter-18-multi-coated-optical-glass) ## Best For - k&f concept enthusiasts ## Why This Product - Trusted k&f concept brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleek Ultra-Slim Design:** Only 5.3mm thick to eliminate vignetting on wide-angle and telephoto lenses. - • **Premium Japanese AGC Glass:** Preserves natural colors without distortion or unwanted glare. - • **Vivid Color & Contrast Boost:** Transform your shots with enhanced saturation and crystal-clear skies. - • **Bonus Cleaning Cloth Included:** Keep your lens and filter spotless with a safe, vacuumed microfiber cloth. - • **Precision Multi-Coated Layers:** 18 advanced coatings slash glare and reflections for flawless clarity. ## Overview The K&F Concept 40.5mm Circular Polarizer Filter features 18 multi-coated layers on premium Japanese AGC optical glass, delivering enhanced color saturation and contrast while eliminating reflections. Its ultra-slim 5.3mm CNC-machined frame prevents vignetting on wide-angle and telephoto lenses. Compatible with all 40.5mm thread lenses, it includes a vacuumed cleaning cloth for effortless maintenance, making it a top choice for photographers seeking professional-grade image quality. ## Description Product description Review: CPL Filter from K&F Concept - The filter reached me intact. It was just like shown on the page. Tried the filter on my dslr and the result obtained was good. K&F Concept brand is very good and reliable. Review: Good for budget - Works well but not mind blowing. Good for those on budget ## Features - 【Enhance Color & Contrast】CPL filter can enhance the color and contrast, and remove non-metallic reflections such as water, and glass to show the true color, especially used in white cloud and blue sky photography. - 【Multi-Coated & Cleaning Cloth】18 multi-layer coating reduces reflection, and glare and improves color saturation and contrast. The vacuumed cleaning cloth for the camera lens and filter cleaning is harmless for the equipment. - 【Imported AGC Glass Avoids Glares】Made by Japanese imported AGC glass, no effect on the image color, and restores the natural color. - 【Ultra-Slim Frame Avoid Vignetting】Only 5.3mm thickness frame, there is no vignetting even on wide-angle and telephoto lenses, and the CNC-non slip frame helps install and remove the filter easily. - 【NOTE】This filter is compatible with all 40.5mm lenses. Please verify your camera's lens thread size before ordering. This number is beside a "ø" (diameter) symbol. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGX3CY31 | | Best Sellers Rank | #1,862 in Electronics ( See Top 100 in Electronics ) #2 in Camera Lens Polarizing Filters | | Brand | K&F CONCEPT | | Coating Description | Multi Coating | | Coating description | Multi Coating | | Compatible Devices | Cameras with 40.5mm lens thread size | | Customer Reviews | 4.5 out of 5 stars 3,677 Reviews | | Enclosure Material | Optical Glass | | Item Dimensions L x W | 40L x 40W millimeters | | Manufacturer | Shenzhen Zhuoer Photograph | | Manufacturer Part Number | KF01.1307V4 | | Material | Optical Glass | | Media Type | ProductImage | | Model Name | KF01.1310 | | Model Number | KF01.1307V4 | | Photo Filter Size | 40.5 Millimeters | | Photo filter effect type | Polarizer | | Photo filter thread size | 40.5 Millimeters | | Screen Size | 40.5 Millimeters | | Special Effect | Polarizer | | Thread Size | 40.5 Millimeters | | Water Resistance Level | Waterproof | | Water resistance level | Waterproof | ## Product Details - **Brand:** K&F CONCEPT - **Coating description:** Multi Coating - **Material:** Optical Glass - **Photo filter effect type:** Polarizer - **Photo filter thread size:** 40.5 Millimeters ## Images ![40.5mm Circular Polarizer Filter,18 Multi-Coated Optical Glass Circular Polarizing Filter Ultra-Slim for Camera Lenses with Cleaning Cloth (K Series) | 18 Multi-Coated Circular Polarizing Filter for Camera Lens with Cleaning Cloth (K Series) FC301 - Image 1](https://m.media-amazon.com/images/I/81QMMV7nzEL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ CPL Filter from K&F Concept *by C***P on 27 March 2024* The filter reached me intact. It was just like shown on the page. Tried the filter on my dslr and the result obtained was good. K&F Concept brand is very good and reliable. ### ⭐⭐⭐⭐ Good for budget *by H***. on 27 March 2026* Works well but not mind blowing. Good for those on budget ### ⭐⭐⭐⭐ Cheap CPL filter *by A***. on 24 March 2026* A pretty good CPL filter. I like the quality, but there is one downside - lens cap no longer fits :( --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/594780218-40-5mm-circular-polarizer-filter-18-multi-coated-optical-glass](https://www.desertcart.pt/products/594780218-40-5mm-circular-polarizer-filter-18-multi-coated-optical-glass) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-26*