# K&F Slim Circular Polarizer Filter CPL 67mm, multi-coated, slim frame (model SB6401)

**URL:** https://aio.lv/en/product--kf-sb6401--4825122
**Data updated:** 2026-02-12 14:15 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB6401
**EAN:** 6936069266245
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb6401--4825122

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Circular polarizer (CPL) lens filter by K&F, size 67mm, model SB6401. Multi-coated slim-frame design reduces reflections and glare, enhances color saturation and contrast, and preserves image sharpness. Fits lenses with 67mm filter thread for landscape, outdoor and product photography. Useful for removing polarized reflections from water, glass and foliage.

## Long description

K&F Slim Circular Polarizer Filter CPL 67mm (model SB6401) is a multi-coated slim-frame polarizing filter designed for lenses with a 67mm filter thread. The filter reduces reflections and surface glare from non-metallic materials, increases color saturation and contrast in outdoor scenes, and preserves image sharpness thanks to its multi-layer anti-reflective coatings and a slim low-profile frame that minimizes vignetting on wide-angle lenses.
Advantages
The multi-coated glass delivers reduced internal reflections and improved light transmission for clearer images. The slim frame design decreases the risk of vignetting on wide-angle lenses while maintaining mechanical strength for reliable mounting. Rotating circular polarizer functionality allows precise control of polarization angle to remove unwanted reflections from water, glass and foliage and to enhance blue skies and color separation. The filter is lightweight and easy to attach to any lens with a compatible 67mm thread.
Suitable for
 Landscape and outdoor photography to enhance sky contrast and color saturation
 Photographing water surfaces and glass to reduce reflections and reveal underlying detail
 Product and still-life photography where glare reduction improves texture and color accuracy
 Travel and street photography when controlling reflections or improving color rendering is required
Key specifications
 Filter type: Circular polarizer (CPL)
 Thread size: 67 mm
 Glass: multi-coated optical glass for reduced reflections
 Frame: slim/low-profile metal frame to reduce vignetting on wide-angle lenses
 Mount: rotating ring for adjustable polarization angle
 Weight: lightweight construction suitable for handheld and tripod use
How to use
Screw the filter onto the front of a lens with a 67mm filter thread until it is snug but not over-tightened. Rotate the front ring while observing the scene through the viewfinder or on the camera screen to set the polarization effect: maximum reduction of reflections is achieved when the polarizer is perpendicular to the direction of reflected light. Adjust exposure as polarization can reduce overall light by approximately one to two stops depending on angle. Remove the filter or store it in its case when not in use to protect the coated glass.
Usage recommendations
For best results, use the CPL filter when shooting at a 90-degree angle to the sun to maximize sky darkening and saturation. Be mindful of wide-angle compositions—rotate the filter carefully to avoid uneven polarization across the frame. Clean the multi-coated surface with a soft microfiber cloth and appropriate lens cleaner to maintain optical performance.

## FAQ

### How much does the K&F CPL 67mm Slim Circular Polarizer SB6401 cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All K&F products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized K&F service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4825122/30330853_large.webp