# K&F 82mm Filter Kit 4-in-1: UV Nano-K + CPL Polarizer + Lens Cap + Case (MPN SB7930)

**URL:** https://aio.lv/en/product--kf-sb7930--11878532
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB7930
**EAN:** 5904647817753
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 34.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb7930--11878532

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

K&F 4-in-1 82mm filter kit (MPN SB7930) includes a UV Nano-K filter and a circular polarizing (CPL) filter, plus a matching lens cap and protective case. The UV filter reduces ultraviolet haze and provides front-element protection; the CPL filter reduces reflections and enhances color saturation. Designed for 82mm thread lenses, this kit suits landscape, outdoor, and travel photography where glare control and lens protection are needed.

## Long description

K&F 82mm Filter Kit 4-in-1 combines two essential optical filters with protective accessories for lenses that accept 82mm threads. The kit includes a UV Nano-K filter to reduce ultraviolet haze and protect the front element of the lens, and a circular polarizer (CPL) to control reflections and increase color saturation. A matching lens cap and a protective case are included to keep the filters safe when not in use, making the set suitable for photographers who need glare control and basic lens protection in outdoor and travel situations.
Advantages
The UV Nano-K filter provides continuous front-element protection while reducing ultraviolet-induced haze, which can improve clarity in bright outdoor scenes. The CPL polarizer cuts reflected light from non-metallic surfaces such as water and glass, enhancing sky contrast and color saturation without altering exposure significantly when used correctly. Included accessories—a snap-on lens cap and a padded case—help prevent scratches and dust on the filter surfaces during transport and storage.
Suitable for
Landscape photography requiring improved sky contrast and reduced atmospheric haze
Outdoor and travel photography where lens protection and quick glare control are needed
Architectural and product photography to manage reflections from glass and polished surfaces
General-purpose use on any camera lens with an 82mm filter thread
Key specifications
Filter thread size: 82 mm
Filter types included: UV Nano-coated filter and circular polarizing (CPL) filter
Optical treatment: nano coating on UV filter for scratch and water resistance
Mechanical design: slim profile to reduce vignetting on wide-angle lenses
Accessories: snap-on lens cap and protective padded case for storage and transport
How to use
Screw the UV Nano-K filter onto the lens thread when you want continuous front-element protection; it can remain mounted during general shooting to guard against dust, scratches, and minor impacts. Attach the CPL by screwing it onto the lens (or onto the UV filter if stacked) and rotate the outer ring while viewing the scene through the viewfinder or on the camera screen until reflections are reduced and colors appear more saturated. Be aware that the CPL can require small exposure adjustments—use the camera’s meter or manual settings to compensate if necessary. When not in use, store filters in the provided protective case and keep the lens cap in place to protect the filter surface.
Usage recommendations
For best results with the CPL filter, use it at a 90-degree angle to the sun to maximize polarization effects on the sky and reflections. On wide-angle lenses, check for vignetting when stacking filters; if vignetting occurs, use the UV filter alone or remove the UV before mounting the CPL. Clean filters with a microfiber cloth and appropriate optical cleaner to maintain image quality.

## FAQ

### How much does the K&F 82mm 4-in-1 Filter Kit SB7930 cost, and is it available for purchase?

The price is 41.49 € (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 01.07.2026 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/11878532/67296006_large.webp