# Extension/Converter Rings Massa SB686 for Pentax Cameras — intermediate adapter rings

**URL:** https://aio.lv/en/product--massa-sb686--12039772
**Data updated:** 2026-03-12 16:49 (EET)
**Category:** Camera Filters
**Manufacturer:** Massa
**Manufacturer code:** SB686
**EAN:** 5904647809666
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--massa-sb686--12039772

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Massa SB686 converter/intermediate rings for Pentax cameras provide a mechanical adapter solution for mounting or spacing optical accessories and lenses. Designed as extension or intermediary rings, they help achieve required flange focal distance or permit attachment of compatible accessories. Suitable for photographers needing precise mechanical coupling between Pentax bodies and certain third-party components.

## Long description

Massa SB686 extension/converter rings for Pentax cameras are mechanical adapter rings designed to provide precise spacing or enable attachment of compatible accessories. As intermediate rings, they offer a simple mechanical solution for adjusting flange focal distance or creating a stable connection between a Pentax camera body and third-party components that require additional separation or a specific mounting thickness.
Advantages
The Massa SB686 rings are engineered for reliable mechanical fit and consistent thickness to maintain focus calibration when used as extension rings. Their construction minimizes play between connected components, ensuring stable alignment of lenses or accessories. The rings are compact and lightweight, making them convenient to carry and install without adding unnecessary bulk to the camera setup.
Suitable for
Photographers needing additional flange focal distance for close-focus or macro work
Attaching third-party accessories that require a fixed spacer between lens and body
Adapting older or specialized optical elements to Pentax camera bodies when precise mechanical spacing is necessary
Key specifications
Type: intermediate/extension adapter ring for Pentax cameras
Function: provides mechanical spacing to adjust flange focal distance or enable accessory attachment
Material: mechanical metal construction for stable fit (manufacturer-specified materials may vary)
Form factor: slim, ring-shaped spacer suitable for in-line installation between lens and camera or accessory and camera
Compatibility: designed for Pentax bayonet mount bodies and compatible third-party components that accept a similar mechanical spacer
How to use
Mount the Massa SB686 ring between the Pentax camera body and the lens or accessory, aligning the bayonet flanges and rotating until the locking notches engage. Ensure contact surfaces are clean and free of debris before installation to prevent damage to mounting surfaces and to maintain proper mechanical coupling. After installation, verify focus and mechanical stability; remove and re-fit if any unusual resistance or misalignment is observed.
Usage recommendations
Use the SB686 rings primarily for mechanical spacing tasks or when a fixed extension is required; avoid applying excessive torque when mounting or removing to prevent wear. For optical applications such as macro or close-focus work, test focus and calibration after installation and make fine adjustments as needed with lens or camera settings.

## FAQ

### How much does the Massa SB686 converter rings for Pentax cameras cost, and is it available for purchase?

The price is 15.49 € (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 10.07.2026 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 Massa 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 Massa 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

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