# Compound optical microscope Deltaoptical DO-3210 — monocular, 3 achromatic objectives, LED illumination, 40–400×, 45° inclined rotatable head

**URL:** https://aio.lv/en/product--deltaoptical-do-3210--11449138
**Data updated:** 2026-01-21 13:40 (EET)
**Category:** Microscopes
**Manufacturer:** Deltaoptical
**Manufacturer code:** DO-3210
**EAN:** 5901691632103
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 68.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 57.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--deltaoptical-do-3210--11449138

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

Deltaoptical DO-3210 is a compound optical microscope designed for educational and basic laboratory use. It features a monocular 45° inclined rotatable head with 360° rotation, three glass achromatic objectives providing 40–400× magnification, one eyepiece, LED illumination powered by AC with included adapter, a 9×9 cm stage, and blue/green/yellow filters for contrast enhancement.

## Long description

Deltaoptical DO-3210 is a compound optical microscope intended for educational and basic laboratory tasks. It has a monocular head inclined at 45° that can rotate 360°, three glass achromatic objectives offering a magnification range from 40× to 400×, a single eyepiece, LED illumination powered from AC (power adapter included), a 9 × 9 cm stage and interchangeable blue, green and yellow filters for contrast adjustment.
Advantages
The monocular 45° inclined rotatable head provides comfortable observation angles and full 360° rotation for shared use. Glass achromatic objectives reduce chromatic aberration across the magnification range. Integrated LED illumination with AC power supply ensures stable, glare-free lighting suitable for teaching and routine laboratory examinations. Compact optical design and a 9 × 9 cm stage make the microscope suitable for small workspaces.
Suitable for
Educational demonstrations and classroom use
Basic laboratory observation and routine sample inspection
Hobbyist microscopy and simple biological studies
Key specifications
Microscope type: Optical compound microscope
Head: Monocular, inclined 45°, rotatable 360°
Objectives: 3 achromatic glass objectives
Magnification range: 40×–400×
Eyepieces: 1
Illumination: LED, AC powered (adapter included)
Stage size: 9 × 9 cm
Filters: Blue, green and yellow contrast filters
Colour: Black
How to use
Place the microscope on a stable, level surface and connect the AC power adapter. Start observation using the lowest-power objective and bring the sample into focus by adjusting the coarse and fine focus controls. Switch objectives to increase magnification as needed, and use the appropriate filter to improve contrast. Rotate the head to a comfortable viewing position while keeping the stage and optics aligned.
Usage recommendations
For clear images, begin with the 40× setting and use the achromatic objectives with proper focusing. Use the LED illumination and colour filters to optimize contrast for different specimen types. Handle glass optics carefully and store the microscope covered when not in use to protect lenses and mechanical parts.

## FAQ

### How much does the Deltaoptical DO-3210 compound microscope cost, and is it available for purchase?

The price is 68.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 19.06.2026 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 Deltaoptical 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 Deltaoptical 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/11449138/66085881_large.webp