# Ocular Eyepiece Massa DK-24 / DK24 for Nikon — Massa replacement eyepiece

**URL:** https://aio.lv/en/product--massa-sb4779--11994349
**Data updated:** 2026-03-11 18:27 (EET)
**Category:** Camera Filters
**Manufacturer:** Massa
**Manufacturer code:** SB4779
**EAN:** 5904647820432
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--massa-sb4779--11994349

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Massa DK-24 (DK24) is a replacement ocular eyepiece designed for Nikon microscopes and optical instruments. This eyepiece serves as a viewing lens to replace worn or damaged oculars, restoring clear visual inspection. It is compatible with Nikon models that accept DK-24 type eyepieces and is intended for laboratory, educational, or field use where original Nikon eyepieces need replacement.

## Long description

The Massa DK-24 (DK24) is a replacement ocular eyepiece compatible with Nikon microscopes and optical instruments that accept DK-24 style oculars. Designed to restore a clear viewing path when original eyepieces are worn or damaged, this Massa eyepiece fits into the ocular tube to provide magnified visual inspection for laboratory, educational, or field applications. The product focuses on delivering a straightforward optical replacement that maintains the mechanical fit and viewing geometry expected from DK-24 type eyepieces.
Advantages
The Massa replacement eyepiece offers a direct-fit design for Nikon instruments using DK-24 style oculars, simplifying replacement without modifications. It provides reliable optical performance for routine observation and restores ergonomic viewing alignment. Constructed to match the form factor of standard DK-24 eyepieces, the Massa eyepiece is a practical option for users needing a functional and serviceable ocular replacement.
Suitable for
Laboratory microscopes used for routine biological or materials inspection
Educational microscopes in schools and universities
Field or on-site optical instruments where a DK-24 eyepiece is required
Replacement of worn or damaged oculars to restore viewing capability
Key specifications
Type: Replacement ocular eyepiece compatible with DK-24 standard
Brand: Massa
Intended use: Visual observation for microscopes and optical instruments
Compatibility: Designed for instruments accepting DK-24 style eyepieces
Form factor: Standard DK-24 mechanical fit and viewing geometry
How to use
Remove the existing eyepiece from the microscope ocular tube by gently pulling it straight out while supporting the instrument. Insert the Massa DK-24 eyepiece into the ocular tube, ensuring it seats fully and aligns with any retaining clips or set screws present on the instrument. Adjust focus and interpupillary settings on the microscope as needed to achieve a clear image. Clean the eyepiece lens with appropriate optical cleaning materials before and after use to maintain image quality.
Usage recommendations
Use standard optical-grade lens wipes or cleaning solution designed for microscope optics to avoid scratching coatings. Store the eyepiece in a dust-free case or protective cover when not in use. Verify mechanical compatibility with your Nikon instrument model before installation and consult instrument documentation for any model-specific instructions.

## FAQ

### How much does the Massa DK-24 eyepiece for Nikon cost, and is it available for purchase?

The price is 6.49 € (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 02.07.2026 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

https://aio.lv/img/cache/product/11994349/67449703_large.webp