# Circular Polarizing Filter K&F Concept Nano-C HMC CPL 67 mm

**URL:** https://aio.lv/en/product--kf-kf3987--11878927
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** KF3987
**EAN:** 6942052520515
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-kf3987--11878927

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Circular polarizing (CPL) filter K&F Concept Nano-C HMC, diameter 67 mm. Reduces reflections from non-metallic surfaces, increases color saturation and contrast, and helps control sky glare. Fits lenses with 67 mm filter thread and is used for landscape, outdoor and product photography to improve image clarity and color rendering.

## Long description

The Circular Polarizing Filter K&F Concept Nano-C HMC CPL 67 mm is a photographic filter that reduces reflections from non-metallic surfaces, enhances color saturation and contrast, and helps control glare from the sky. Designed for lenses with a 67 mm filter thread, this CPL filter is intended to improve image clarity and color rendering for landscape, outdoor and product photography. The Nano-C multi-coating reduces internal reflections and improves light transmission while maintaining accurate color balance.
Advantages
This CPL filter selectively reduces polarized light from reflective surfaces, allowing for deeper skies, richer foliage tones and reduced surface reflections without altering the exposure significantly. The HMC (hard multi-coating) and Nano-C coatings provide scratch resistance, easier cleaning and lower risk of ghosting and flare. The slim, circular frame design helps prevent vignetting on wide-angle lenses while maintaining secure attachment to lenses with a 67 mm thread.
Suitable for
Landscape photography to deepen skies and enhance cloud contrast
Outdoor and travel photography where reflections from water or glass need control
Product photography to reduce unwanted surface reflections and improve color rendering
Architectural and real-estate photography to minimize window and facade reflections
Key specifications
Filter type: Circular polarizer (CPL)
Mount diameter: 67 mm filter thread
Coating: HMC (Hard Multi-Coating) with Nano-C hydrophobic/anti-reflective treatment
Frame: Slim circular metal frame to reduce vignetting
Optical effect: Polarization control to reduce reflections and increase color saturation and contrast
How to use
Attach the filter to any lens with a 67 mm front thread by screwing it gently into place. Rotate the outer ring while observing the viewfinder or live view to adjust the degree of polarization until the desired reduction of reflections and improvement in color saturation is achieved. Use the filter in bright daylight or scenes with reflective surfaces; remove when polarizing effect is not needed or when shooting with very wide apertures if additional glass may affect image sharpness.
Usage recommendations
For best results, set white balance after attaching the CPL filter and compose while checking the effect at different rotation angles. Avoid stacking multiple filters when possible to reduce the risk of vignetting on wide-angle lenses. Clean the filter surfaces with a soft microfiber cloth and a proper lens cleaner to preserve the Nano-C coating.

## FAQ

### How much does the K&F Concept Nano-C HMC CPL circular filter 67 mm 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 — 23 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 03.07.2026 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/11878927/67296597_large.webp