# K&F Filter set 4-in-1 58mm — Nano-K UV + CPL + ND4 + Protective

**URL:** https://aio.lv/en/product--kf-sb7490--11878569
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB7490
**EAN:** 5904647814899
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 35.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb7490--11878569

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

K&F 4-in-1 filter set for 58 mm lenses includes Nano-K coated UV filter, circular polarizer (CPL), ND4 neutral density filter and a protective clear filter. Designed to mount on lenses with 58 mm thread, the set provides glare reduction, polarization control, light attenuation for longer exposures, and front-element protection for everyday photography and outdoor use.

## Long description

K&F Filter set 4-in-1 58mm — Nano-K UV + CPL + ND4 + Protective is a compact filter kit designed for lenses with a 58 mm front thread. The set combines a Nano-K coated UV filter that reduces atmospheric haze and protects the front element, a circular polarizer (CPL) for glare and reflection control, an ND4 neutral density filter to reduce light intake by two stops for longer exposures or wider apertures, and a clear protective filter for everyday front-element protection. Each filter is threaded for easy mounting and removal and is intended to improve image quality and handling across a range of outdoor and studio situations.
Advantages
The Nano-K coating improves light transmission and reduces surface reflections, while the CPL enables polarization control to enhance color saturation and reduce unwanted reflections from non-metallic surfaces. The ND4 filter provides consistent two-stop light reduction for creative exposure control without affecting color balance. The clear protective filter safeguards the lens front from dust, moisture and minor impacts without altering image characteristics. The set format provides quick access to different optical effects without needing multiple separate purchases.
Suitable for
 Landscape photography to manage reflections and deepen sky tones with the CPL
 Outdoor portrait and travel photography where front-element protection is needed
 Longer-exposure daylight shooting using the ND4 filter for motion blur
 Everyday use to reduce UV haze and protect the lens with the Nano-K UV and protective filters
Key specifications
 Filter thread size: 58 mm
 Filter types included: UV (Nano-K coated), Circular Polarizer (CPL), ND4 (2-stop neutral density), Protective clear filter
 Coating: Nano-K multi-coating to reduce reflections and improve transmission
 Functionality: glare/reflection reduction, polarization control, two-stop light attenuation, front-element protection
 Mounting: standard screw-in threaded mounts for straightforward attachment
How to use
Screw the required filter onto the 58 mm lens thread until it is secure but not overtightened. Use the UV or protective clear filter as a permanent shield for the front element. For controlling reflections and increasing color saturation, attach the CPL and rotate its outer ring while observing the viewfinder or live view until the desired polarization effect is reached. Attach the ND4 when you need approximately two stops of light reduction to permit longer shutter speeds or wider apertures in brighter conditions; combine with a tripod for stable long exposures. Remove or swap filters as needed to match shooting conditions, and store unused filters in a protective pouch or case.
Usage recommendations
Clean filter surfaces with a soft microfiber cloth and lens cleaning solution before use. When using the CPL, rotate slowly while viewing the scene to avoid over-polarization on wide-angle skies. For long exposures with the ND4, use a tripod and mirror-lock or electronic shutter mode if available to minimize camera shake. Store filters in a dry, dust-free case and avoid overtightening to prevent jamming the threads.

## FAQ

### How much does the K&F 4-in-1 58mm filter set SB7490 cost, and is it available for purchase?

The price is 43.49 € (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 14.07.2026 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/11878569/67296064_large.webp