# Filter set K&F Concept 2-in-1: Black Diffusion 1/4 and 1/8 for 58mm lenses

**URL:** https://aio.lv/en/product--kf-sb7854--11879012
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB7854
**EAN:** 5904647817098
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 29.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb7854--11879012

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

K&F Concept 2-in-1 filter set includes Black Diffusion 1/4 and 1/8 filters sized for 58 mm thread lenses. Designed to soften highlights, reduce contrast and create subtle diffusion effects, these screw-in optical filters suit portrait, fashion and cinematic photography. Compatible with any camera lens accepting 58 mm threaded filters; useful for on-location shoots and studio work.

## Long description

K&F Concept 2-in-1: Black Diffusion 1/4 and 1/8 for 58mm lenses is a screw-in optical filter set designed for lenses with a 58 mm filter thread. The set contains two diffusion strengths — 1/4 and 1/8 — that soften highlights, reduce micro-contrast and create a controlled glow around bright areas while preserving overall image detail. These metal-ring filters are suitable for portrait, fashion and cinematic styles where subtle diffusion and reduced contrast are required without introducing strong color casts.
Advantages
The two-strength design provides flexible control over diffusion effects, allowing photographers to choose between milder (1/8) and stronger (1/4) softening. Screw-in mounting ensures secure attachment and consistent optical alignment with the lens. The black diffusion material is engineered to minimize color shift while delivering smooth halation around specular highlights. Compact construction makes the filters easy to carry and swap during on-location or studio shoots.
Suitable for
Portrait photography to soften skin highlights and reduce perceived blemishes
Fashion and beauty shoots where a gentle glow enhances fabric and skin tones
Cinematic and video production for controlled highlight bloom and vintage-style diffusion
On-location and studio setups requiring quick, repeatable optical effects
Key specifications
Filter type: Black diffusion screw-in filters
Diffusion strength: 1/4 and 1/8
Mount thread size: 58 mm
Construction: metal filter ring with optical diffusion element
Effect: softens highlights, reduces micro-contrast, creates gentle halation
How to use
Screw the selected filter (1/8 for subtle effect, 1/4 for stronger diffusion) onto a lens with a 58 mm thread until it is secure; avoid overtightening. Compose and expose as you normally would; diffusion alters highlight roll-off and apparent contrast but does not require exposure compensation in most situations. Test both strengths on the same subject to determine the preferred level of softening. For video, monitor focus and framing after mounting, as diffusion can slightly change perceived sharpness.
Usage recommendations
Use the 1/8 filter for natural-looking softening and the 1/4 filter when a more pronounced bloom is desirable. Combine with controlled lighting and selective background separation to maximize the diffusion effect without losing subject detail. Store filters in a protective case when not in use and clean with a microfiber cloth and appropriate lens cleaner to maintain optical performance.

## FAQ

### How much does the K&F Concept filter set Black Diffusion 1/4 & 1/8 58mm cost, and is it available for purchase?

The price is 35.49 € (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 13.07.2026 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/11879012/67296738_large.webp