# Circular Polarizing Filter CPL K&F HD MC Slim-C 77mm (model SB6403)

**URL:** https://aio.lv/en/product--kf-sb6403--4825124
**Data updated:** 2026-03-07 15:00 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB6403
**EAN:** 6936069266269
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb6403--4825124

## 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 polarizing (CPL) filter K&F HD MC Slim-C 77mm, model SB6403, designed to reduce glare and reflections, enhance color saturation, and improve contrast in outdoor photography. Multi-coated (MC) slim-frame construction suits wide-angle lenses and minimizes vignetting. Threaded 77mm mount fits compatible lenses for landscape, travel, and architectural shooting.

## Long description

The Circular Polarizing Filter CPL K&F HD MC Slim-C 77mm (model SB6403) is a photographic filter designed to reduce glare and surface reflections, enhance color saturation, and increase contrast for outdoor and bright-light shooting. Its multi-coated glass reduces stray reflections and maintains image clarity, while the slim-frame design is intended to minimize vignetting on wide-angle lenses. The filter screws onto lenses with a 77mm front thread and is suitable for landscape, travel, architectural and product photography where controlling reflections and improving sky color is important.
Advantages
The CPL K&F HD MC Slim-C uses multi-coated optics to limit reflections and improve light transmission, providing truer colors and higher contrast. The slim metal frame reduces the risk of vignetting on wide-angle lenses and allows comfortable filter stacking with caution. The rotating polarizing element enables precise control over polarization strength and angle, making it possible to selectively darken skies, reduce reflections on water and glass, and improve overall image saturation without digital post-processing.
Suitable for
 Landscape photography to deepen blue skies and enhance cloud contrast
 Travel and street photography to reduce reflections on windows and wet surfaces
 Architectural and product photography for controlling glare from glass and smooth surfaces
 Outdoor portraiture when reducing specular highlights on skin or surroundings is needed
Key specifications
 Filter type: circular polarizer (CPL)
 Mount diameter: 77 mm screw thread
 Optics: multi-coated glass for reduced reflections and improved transmission
 Frame: slim metal construction to minimize vignetting on wide-angle lenses
 Functionality: adjustable rotating polarizing element for variable polarization control
How to use
Attach the filter by screwing it gently into the lens front thread (77 mm) until secure; avoid overtightening. Rotate the outer ring while observing the viewfinder or live view to adjust the polarization effect until reflections are reduced or the sky darkens to the desired level. For best results, use the filter with the sun at roughly 90 degrees to the shooting direction. When stacking additional filters, check for vignetting especially on wide-angle lenses and use a low-profile hood if needed.
Usage recommendations
Carry the filter in a protective pouch when not in use to prevent scratches and fingerprints. Clean multi-coated glass with a soft microfiber cloth and appropriate lens cleaner. Be aware that strong polarization can affect exposure and metering; meter after attaching the filter and adjust exposure settings as necessary.

## FAQ

### How much does the CPL Filter K&F HD MC Slim-C 77mm SB6403 cost, and is it available for purchase?

The price is 24.99 € (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/4825124/30330859_large.webp