# K&F Slim Circular Polarizing Filter CPL 58mm (model SB6399)

**URL:** https://aio.lv/en/product--kf-sb6399--11878526
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB6399
**EAN:** 6936069266221
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb6399--11878526

## 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) camera filter by K&F, slim multi-coated design in 58mm thread size (model SB6399). Used to reduce reflections, increase color saturation and contrast in outdoor and landscape photography. Fits lenses with 58mm filter threads and is suitable for photographers seeking glare control and improved sky and foliage rendering.

## Long description

The K&F Slim Circular Polarizing Filter CPL 58mm is a slim, multi-coated polarizer designed for lenses with a 58mm filter thread. It reduces surface reflections from non-metallic surfaces such as water and glass, while enhancing color saturation and contrast in outdoor and landscape photography. The slim profile minimizes vignetting on wide-angle lenses while preserving the optical path and frame composition for landscape, travel and nature shooting.
Advantages
The filter's circular polarizing element selectively blocks polarized light to suppress glare and improve color rendering without affecting exposure significantly. Multi-coating on the glass reduces stray reflections and ghosting, contributing to clearer images and better contrast. The slim metal frame lowers the risk of vignetting on wide-angle lenses and maintains a compact overall setup that is easier to carry in the field.
Suitable for
Outdoor and landscape photography to deepen skies and enhance foliage color
Reducing reflections on water, glass, and other non-metallic surfaces
Travel and street photography when managing glare and improving contrast
Use with wide-angle and standard lenses that have a 58mm filter thread
Key specifications
Filter type: Circular polarizer (CPL)
Mount diameter: 58mm filter thread
Frame style: Slim low-profile metal frame to reduce vignetting
Optical treatment: Multi-coated glass to reduce reflections and ghosting
Operation: Rotating ring for adjustable polarization effect
How to use
Screw the filter onto a lens with a 58mm front thread until it sits snugly but not overtightened. Rotate the outer ring while observing the scene through the viewfinder or on the camera's live view to set the desired level of polarization; maximum effect is normally achieved at a 90-degree angle to the sun. The circular design preserves autofocus and metering functionality on modern cameras. Check for vignetting on wide-angle lenses and, if necessary, use the slim frame to minimize edge darkening.
Usage recommendations
Store the filter in a protective pouch when not in use to avoid scratches and dust. Clean only with a soft microfiber cloth and appropriate cleaning solution for camera optics. When shooting in low light or with high dynamic range scenes, evaluate exposure and use a tripod if longer shutter speeds are required due to the polarizer's light loss.

## FAQ

### How much does the K&F CPL Slim Polarizing Filter 58mm SB6399 cost, and is it available for purchase?

The price is 19.49 € (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/11878526/67295998_large.webp