# Circular Polarizing Filter K&F Concept Nano X CPL 77mm for DSLR and Mirrorless Lenses

**URL:** https://aio.lv/en/product--kf-concept-kf01973v1--10650241
**Data updated:** 2026-02-12 22:02 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F Concept
**Manufacturer code:** KF01.973V1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 84.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 69.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-concept-kf01973v1--10650241

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

Circular polarizing (CPL) filter K&F Concept Nano X 77mm reduces reflections and glare, increases color saturation and contrast for landscape and outdoor photography. Threaded 77mm design fits lenses with matching thread size. Suitable for DSLR and mirrorless cameras, it helps improve sky rendering, manage reflections on water and glass, and deliver clearer images in bright conditions.

## Long description

Circular Polarizing Filter K&F Concept Nano X CPL 77mm reduces unwanted reflections, controls glare and enhances color saturation and contrast for outdoor and landscape photography. Designed with a 77mm threaded mount, this CPL filter fits lenses with a matching thread size on both DSLR and mirrorless cameras. The Nano X coating contributes to water- and oil-resistant performance and makes the filter easier to clean while maintaining light transmission for accurate exposure.
Advantages
The K&F Concept Nano X CPL 77mm filter suppresses reflections from non-metallic surfaces and increases color depth without affecting focal length. Its circular polarizing design allows autofocus and metering systems to function normally. The multi-layer Nano X coatings reduce surface reflections on the glass, resist fingerprints and moisture, and simplify maintenance. The slim, threaded frame minimizes vignetting on wide-angle lenses while providing stable rotation for precise polarization control.
Suitable for
 Landscape and nature photography to deepen skies and enhance foliage colors
 Urban and architectural photography for reducing reflections on glass and windows
 Water and outdoor scenes where controlling surface glare improves detail
 Portraits in bright outdoor conditions when managing reflected highlights
 DSLR and mirrorless lens systems with a 77mm front thread
Key specifications
 Filter type: Circular polarizer (CPL)
 Thread size: 77 mm
 Coating: Multi-layer Nano X anti-reflective, water- and oil-resistant coating
 Frame: Slim, low-profile rotating mount to reduce vignetting
 Optical glass: High-transmission polarizing glass for accurate exposure
 Compatibility: Designed for interchangeable-lens cameras (DSLR and mirrorless) with 77 mm filter thread
How to use
Screw the filter gently onto the lens front with the camera turned off or lens cap on to avoid cross-threading. Compose your shot and then rotate the outer ring of the CPL while observing through the viewfinder or live view until reflections are reduced and the desired color saturation is achieved. Meter and autofocus operate normally with a circular polarizer in place; adjust exposure if necessary because polarization can reduce overall light by approximately one to two stops. Remove the filter when not needed to avoid carrying an unnecessary optical element and potential flare in low-light situations.
Usage recommendations
Use the K&F Concept Nano X CPL 77mm when shooting landscapes, water scenes or reflective surfaces on clear sunny days to maximize color and contrast. For wide-angle lenses, monitor for vignetting and use the slim frame to minimize it. Clean the filter with a microfiber cloth and a gentle lens cleaner; avoid strong solvents. Store the filter in its case when not in use to protect the Nano X coating and glass surface.

## FAQ

### How much does the Polarizing Filter K&F Concept Nano X CPL 77mm cost, and is it available for purchase?

The price is 84.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Thursday 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Polarizing Filter K&F Concept Nano X CPL 77mm be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Concept 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 Concept 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/10650241/56581643_large.webp