# Lens Adapter Step-Up Ring K&F 42mm→49mm for Ricoh GR II/III/IIIx with Dust Cap

**URL:** https://aio.lv/en/product--kf-sb9559--11819760
**Data updated:** 2026-03-09 11:07 (EET)
**Category:** Camera Filters
**Manufacturer:** K&F
**Manufacturer code:** SB9559
**EAN:** 6942052547826
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kf-sb9559--11819760

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

K&F step-up adapter ring converts a 42mm filter thread to 49mm, compatible with Ricoh GR II, GR III and GR IIIx camera setups. The metal/reinforced ring allows mounting 49mm filters, lens caps or accessories on lenses or bodies with 42mm threads. Useful for attaching larger filters, ND or polarizers, and for unifying filter sizes across gear.

## Long description

The K&F 42mm→49mm step-up adapter ring converts a 42mm filter thread to 49mm, enabling the use of 49mm filters, lens caps or accessories on cameras and lenses with 42mm threads. Designed for Ricoh GR II, GR III and GR IIIx setups, the metal-reinforced ring provides a slim, low-profile connection that preserves access to the lens and maintains alignment for round screw-on filters and caps.
Advantages
The adapter ring is made from metal with reinforced threading to ensure secure mounting and long-term durability. It retains a compact footprint with minimal added weight, so handling and balance of the camera are not significantly affected. By stepping up to a 49mm diameter, the ring allows photographers to use a wider range of filters and accessories without requiring multiple filter sizes. The included dust cap protects the exposed thread and mounted accessories from dust and light impact when not in use.
Suitable for
 Ricoh GR II, GR III, GR IIIx cameras and other devices with 42mm filter threads
 Attaching 49mm screw-on filters such as ND, polarizers and UV filters
 Using 49mm lens caps or third‑party accessories to standardize filter sizes across a kit
Key specifications
 Material: metal construction with reinforced threading
 Thread conversion: from 42mm female thread to 49mm male thread
 Finish: matte or anodized metal surface to reduce reflections
 Profile: low-profile/slim design to minimize vignetting on compact camera bodies
 Included accessory: removable dust cap for thread protection
How to use
Screw the adapter onto the camera or lens by aligning the 42mm female side with the existing 42mm thread and turning clockwise until secure; do not overtighten. Once mounted, attach a 49mm filter or cap to the exposed 49mm male thread by screwing it on until it seats firmly. To remove, reverse the process by unscrewing the filter or cap first and then the adapter from the lens. The adapter can remain on the camera when switching between accessories that use the same 49mm thread.
Usage recommendations
For best results, check that filters are clean and free from grit before mounting to avoid cross-threading or scratching. When using stacked filters or thick accessories, verify that the combination does not introduce vignetting on wide-angle shots or interfere with lens operation.

## FAQ

### How much does the K&F Adapter Ring 42mm→49mm for Ricoh GR II/III/IIIx cost, and is it available for purchase?

The price is 14.49 € (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 17.07.2026 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/11819760/67222093_large.webp