# K&F 3-in-1 Hybrid Filter 40.5 mm Fader ND2–32, CPL, Black Diffusion 1/4

**URL:** https://aio.lv/en/product--kf-sb10091--11878718
**Data updated:** 2026-03-09 20:44 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB10091
**EAN:** 6942052562058
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 40.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb10091--11878718

## 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 3-in-1 hybrid camera filter for 40.5 mm thread lenses combines a variable neutral density (Fader ND2–32), a circular polarizer (CPL) and a Black Diffusion 1/4 element. Designed to control exposure, reduce reflections and soften highlights for photography and video. Suited for landscape, long‑exposure, portrait and cinematic use with compatible 40.5 mm filters.

## Long description

The K&F 3-in-1 Hybrid Filter 40.5 mm Fader ND2–32, CPL, Black Diffusion 1/4 combines three optical functions in a single 40.5 mm threaded unit to control exposure, manage reflections and soften highlights. It integrates a variable neutral density (Fader ND2–32) to reduce light by up to 5 stops, a circular polarizer (CPL) to cut glare and enhance color saturation, and a Black Diffusion 1/4 element to gently reduce contrast and bloom highlights for a cinematic or portrait look. The compact construction is intended for lenses with a 40.5 mm filter thread and is suitable for still photography and video where multiple effects are required without frequent filter changes.
Advantages
This hybrid filter reduces the need for separate attachments by combining ND, polarizer and diffusion functions in one screw‑on unit, saving time and space in the kit. The variable ND element provides smooth exposure control across the ND2 to ND32 range, enabling longer exposures and wider aperture use in bright conditions. The CPL element minimizes surface reflections and increases color contrast without altering overall exposure when rotated into position. The Black Diffusion 1/4 softens specular highlights and reduces perceived skin texture, producing a subtle glow that is useful for cinematic footage and flattering portraits.
Suitable for
Landscape photography with controlled exposure and enhanced sky contrast
Long‑exposure shots of water, clouds or moving subjects
Portraits where softening of highlights and slight diffusion is desired
Cinematic video to create a mild bloom and reduce harsh highlights
Travel and run‑and‑gun shooting where quick switching between effects is needed
Key specifications
Filter thread diameter: 40.5 mm
Variable neutral density range: ND2 to ND32 (approximately 1 to 5 stops)
Polarizer type: Circular polarizer (rotatable)
Diffusion strength: Black Diffusion 1/4 (subtle softening and highlight bloom)
Mount: Screw‑on metal frame compatible with 40.5 mm lens threads
How to use
Screw the filter onto a lens with a 40.5 mm thread until it seats securely without cross‑threading. Rotate the outer ring to adjust the variable ND effect from ND2 to ND32 while checking exposure or camera meter to achieve the desired shutter speed or aperture. Rotate the CPL element to reduce reflections and increase color saturation; observe live view or viewfinder while turning the polarizer to find the optimal angle. The diffusion element is fixed in the assembly and works continuously to soften highlights—combine with ND and CPL adjustments as needed. When not in use, store the filter in a protective pouch to prevent scratches and fingerprints.
Usage recommendations
For long‑exposure landscape shots, set the variable ND to a higher value and use a tripod to avoid camera shake. When shooting portraits or close‑ups, use lower ND settings to maintain desired depth of field and rely on the diffusion element to reduce specular highlights. To maximize polarizer effect, compose with the sun at roughly 90 degrees to the lens and rotate the CPL until reflections and sky polarization meet your preference. Check autofocus and metering performance when stacking strong ND settings and adjust exposure manually if necessary.

## FAQ

### How much does the K&F 3-in-1 Hybrid Filter 40.5 mm Fader ND2–32 cost, and is it available for purchase?

The price is 48.99 € (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/11878718/67296252_large.webp