# K&F UV Filter 58mm HD MC C Series Slim — KF3978, multi-coated slim ultraviolet lens filter

**URL:** https://aio.lv/en/product--kf-kf3978--11437403
**Data updated:** 2026-03-07 20:11 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** KF3978
**EAN:** 6936069208788
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-kf3978--11437403

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

K&F 58mm UV filter (HD MC C Series Slim, model KF3978) is a slim multi-coated ultraviolet (UV) lens filter that reduces UV haze and protects the front element of compatible 58mm lenses. Designed for general photography, it preserves color balance while offering surface protection and easy handling due to the slim profile that helps avoid vignetting on wide-angle lenses.

## Long description

K&F UV Filter 58mm HD MC C Series Slim (multi-coated) is a slim ultraviolet lens filter designed for 58mm threaded camera lenses. It reduces ultraviolet light and atmospheric haze that can affect image clarity while providing a protective barrier for the front element of the lens. The multi-coated glass preserves color balance and contrast by minimizing reflections and flare, and the slim aluminium frame helps prevent vignetting on wide-angle setups.
Advantages
The slim profile reduces the risk of vignetting on wide-angle lenses and keeps overall filter stack height low when using additional filters. Multi-coated optical glass increases light transmission and reduces ghosting and flare, improving image clarity and tonal accuracy. The filter also serves as a physical protection layer against dust, fingerprints and minor impacts, extending the usable life of the lens front element. Its threaded design provides secure mounting and easy removal.
Suitable for
Landscape and outdoor photography where UV haze reduction improves distant detail
Everyday shooting to protect the front element from dust and scratches
Wide-angle lenses requiring a slim filter to avoid vignetting
Photographers using multiple filters in series who need a low-profile option
Key specifications
Thread size: 58 mm compatible
Filter type: Ultraviolet (UV), multi-coated optical glass
Frame: Slim aluminium profile to minimize vignetting
Coating: Multi-layer anti-reflective coatings for reduced flare and improved transmission
Function: Reduces UV haze and protects the front lens element
How to use
Screw the filter onto the front thread of a 58mm lens until it sits snugly; avoid overtightening. Compose and focus as usual — the filter is neutral in color and should not affect exposure or autofocus performance under normal conditions. When stacking filters, place the UV filter closest to the lens to provide primary protection while keeping the slim side toward additional filter layers to reduce the chance of vignetting.
Usage recommendations
Keep the filter clean using a blower, soft brush and microfiber cloth. Use lens-safe cleaning fluid sparingly on the glass surface. Store the filter in its protective case when not in use to avoid scratches. For critical wide-angle work, test for vignetting at the widest focal length and, if necessary, remove or replace with an ultra-slim or thread-insert solution.

## FAQ

### How much does the K&F UV Filter 58mm HD MC C Series Slim — KF3978 cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 02.07.2026 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/11437403/66076252_large.webp