# Circular Polarizing Filter K&F HD MC Slim C 40.5mm (CPL) for camera lenses

**URL:** https://aio.lv/en/product--kf-sb6393--4825117
**Data updated:** 2026-03-07 15:00 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB6393
**EAN:** 6936069266160
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb6393--4825117

## 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, 40.5mm thread size, designed to reduce reflections, enhance color saturation and improve contrast in outdoor photography. Multi-coated (MC) construction minimizes flare and ghosting; slim profile reduces vignetting on wide-angle lenses. Suitable for landscape, travel and architectural photography where polarization control is needed.

## Long description

The Circular Polarizing Filter K&F HD MC Slim C 40.5mm is a screw-on camera lens filter designed to reduce surface reflections, increase color saturation and improve contrast in outdoor photography. Its multi-coated optical glass reduces flare and ghosting, while the slim metal frame minimizes vignetting on wide-angle lenses. The slim profile and standard 40.5mm thread make it compatible with lenses that accept a 40.5mm filter, offering polarization control for landscape, travel and architectural shoots.
Advantages
The K&F HD MC Slim C CPL filter provides adjustable polarization to cut unwanted reflections from water, glass and foliage, resulting in deeper skies and richer colors. Multi-coating on both sides decreases flare and ghosting under strong light sources. The slim, low-profile mount reduces the risk of vignetting on wide-angle lenses while maintaining secure attachment and smooth rotation for precise polarization adjustment.
Suitable for
 Landscape photography to deepen skies and boost horizon contrast
 Travel photography for reducing reflections on windows and water
 Architectural photography to manage glass reflections and surface glare
 Outdoor portraiture where controlled reflections improve subject separation
 General outdoor shooting when color saturation and contrast enhancement are desired
Key specifications
 Filter type: Circular polarizer (CPL)
 Thread size: 40.5 mm
 Construction: Multi-coated optical glass
 Frame: Slim low-profile metal mount to reduce vignetting
 Rotation: Rotatable ring for adjustable polarization
 Compatibility: Designed for lenses with 40.5 mm filter thread
How to use
Screw the filter onto the lens front thread until it is secure but not overtightened. Rotate the outer ring while observing the viewfinder or live view to adjust the degree of polarization; the effect is most noticeable when photographing at a 90-degree angle to the sun. Use the filter on wide-angle lenses with caution and monitor for any residual vignetting. Clean the glass with a microfiber cloth and lens-safe cleaner before use to ensure optimal image quality.
Usage recommendations
For best results, combine the CPL filter with a lens hood to reduce stray light and maintain contrast. Avoid stacking multiple thick filters on wide-angle lenses to limit vignetting. Store the filter in its protective case when not in use to prevent scratches and preserve the multi-coating performance.

## FAQ

### How much does the K&F Circular Polarizer CPL 40.5mm HD MC Slim cost, and is it available for purchase?

The price is 17.99 € (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/4825117/30330837_large.webp