# Diffusion Filter K&F HD Black Diffusion 1/4 for 72 mm lenses (K&F)

**URL:** https://aio.lv/en/product--kf-sb7500--11878721
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB7500
**EAN:** 5904647814967
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 56.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 47.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb7500--11878721

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

K&F HD Black Diffusion 1/4 is a screw-in diffusion filter for lenses with a 72 mm thread. It produces a subtle softening effect by diffusing highlights and reducing contrast while preserving overall image sharpness and color balance. Suitable for portrait, wedding and creative photography to soften skin tones, tame specular highlights and create a gentle glow without heavy blur.

## Long description

The K&F HD Black Diffusion 1/4 is a screw‑in diffusion filter designed for lenses with a 72 mm thread. It delivers a controlled softening effect that slightly diffuses highlights and reduces local contrast while maintaining overall image sharpness and natural color balance. The filter is intended to produce a gentle glow and softer skin tones without introducing heavy blur, making it suitable for portrait, wedding and creative photography where subtle diffusion is required.
Advantages
This diffusion filter creates a delicate softening of bright areas and specular highlights while preserving fine detail and accurate color rendition. Its screw‑in design provides secure attachment and easy removal on lenses with a 72 mm thread. The 1/4 strength offers low-level diffusion that tames contrast and softens skin texture without overly degrading image resolution, ensuring usable files for retouching and large prints.
Suitable for
Portrait photography to soften skin tones and reduce blemish visibility
Wedding and event photography to produce a gentle glow around highlights
Creative and cinematic photography where mild diffusion is desired
Studio work and controlled-light setups to shape specular highlights
Key specifications
Filter type: screw‑in diffusion filter
Filter strength: 1/4 (subtle diffusion)
Mount thread size: 72 mm
Optical characteristics: reduces local contrast and diffuses highlights while preserving sharpness and color balance
Finish: neutral black diffusion designed for minimal color cast
How to use
Attach the filter to any lens with a 72 mm front thread by screwing it into place until secure; avoid overtightening. Use the filter on-camera when you want to soften specular highlights and reduce contrast, for example during portrait sessions or when shooting backlit scenes. Evaluate results at different apertures and distances: wider apertures increase the perceived softness on out-of-focus areas while smaller apertures retain more microcontrast. Remove the filter when maximum resolution and contrast are required.
Usage recommendations
For best results, combine the diffusion filter with good lighting and modest retouching rather than relying on strong in-camera diffusion alone. Clean the glass regularly with lens‑safe solutions and a microfiber cloth to avoid marks that can affect image quality.

## FAQ

### How much does the Diffusion Filter K&F HD Black Diffusion 1/4 72 mm cost, and is it available for purchase?

The price is 56.99 € (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 15.07.2026 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/11878721/67296255_large.webp