Swift Stellar1-B Professional Lab Compound Microscope, 40X-2500X Magnification, Siedentopf Binocular Head, WF10X/25X Eyepieces, Mechanical Stage, Ultra-Precise Focusing, User and Eco-Friendly Design
Product Description
The standard Stellar 1-B is equipped with a swiveling Siedentopf binocular head, two interchangeable 10X and 25X eyepieces, and four SA Achromatic brightfield objectives -- 4X, 10X, 40X (Spring), and 100X (Spring, Oil), providing six magnification levels between 40X and 2500X for viewing almost all details of specimen slides in clinical, laboratory educational or hobby environments. The 10x eyepiece is for users looking for high quality images and the 25x is for users who wishes to get to high magnifications.
All the optics are anti-mold treated for high humidity environments and anti-reflection coated for maximum light transmission.
The Stellar 1 has an ergonomic and user-friendly design to help ease and simplify its use therefore making it suitable for all kinds of microscopic purposes, especially for time consuming observations as well as beginners.

Product Description:
The Siedentopf head is tilted at an ergonomic 30-degree in order to reduce neck strain. It is easily adjustable for different interpupillary distances without losing focus. The coaxial coarse and fine focusing knobs with a series of ultra-precise gear transmission structure are placed at a low-hand position to make it easy and comfortable to focus for sharp images. The focus knobs, brightness control wheel and stage handle placed close together and are all at a finger’s touch.
The built-in “quick start guide” system can help even an inexperienced user to quickly get a sharp image. With the focus guide lines, users can focus quickly by simply aligning the markings. And the colored aperture diaphragm helps users to quickly match the condenser setting to match the objective being used.
The high intensity and colour balanced LED illumination is portable. The microscope is rated to operate at a nominal 5V which makes it not only safe and reliable but also very energy efficient. Connect a portable battery pack to the standard Type C USB plug and this microscope turns into a fully portable instrument, which can be used away from any power mains. What is more, the microscope will automatically power off if the user forgets to switch it off and the brightness remains unchanged for 30 mins.
The space-saving but stable T-Shaped stand design makes the microscope easy to store, transport and use. The microscope is compact and can be placed in an ordinary lab cabinet.

Packing List
Stellar 1 Binocular microscope*1
- Pair WF25X eyepieces*1
- Pair WF10X eyepieces*1
- Power cord *1 +Power adapter*1
- Immersion oil*1
- Blue filter*1
- Dust cover*1
- User manual*1
- Eyecup*2+Allen wrench *1
Optics System
- Wide-field 10X and 25X eyepieces
- 4 Objective lenses in a revolving nosepiece:SA 4X, 10X, 40X (Spring), 100X (Spring, Oil)
- Magnification levels: 40X, 100X, 250X, 400X, 1000X, 2500X
- Interpupillary distance: 48-75mm
- Adjustable ocular diopter: +/- 5dp
Components
- 30 degree inclined, 360 degree rotatable binocular Siedentopf head
- Mechanical stage with rack stop, 125mmx115mm
- Stage x-y travel range: 70x25mm
- NA 1.25 Abbe condenser with iris diaphragm
- Coaxial coarse and fine focus knobs
- 1W LED with intensity control, 30 mins auto power off
- Power supply: 110-240V power input

Use of Focus Guide Line
● The focus guide lines are in the stage holder and microscope body to assist in quick image plane location.
● Rotate the coarse focus knob to move the stage up and down to align the focus lines. You will see the image of specimen when the focus lines are aligned. Adjust the fine focus knob slightly until the image is at its sharpest.

Color Coded Condenser Aperture Diaphragm
● The aperture diaphragm is coded in color ranges to quickly locate aperture diaphragm of by matching objective color ring.
● Turn the aperture diaphragm to the corresponding range of the objective color ring. For example, red range for 4x.
● Adjust the aperture diaphragm slightly to get the sharpest image according to specimens.

Power Input
● Power cord hanger design for place portable power device.

Power Input
● Type-C 5V/2A by AC adapter, low voltage input, which’s safe and power-saving.




How to put away the microscope?
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Power adapter storagePut the power adapter in the middle |
Power cord storageWinding the charging cable |
Rotating binocular observation headTurn the eyepiece tube backward to save the satorage room |
Hand carrying handleUse the carrying handle to pick up the microscope and put it in a suitable position |
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SW380B | SW380T | SW350T | Stellar 1 Pro-B | Stellar 1 T | Stellar 1 Pro-T | |
Type of Product | Binocular Compound Microscope | Trinocular Compound Microscope | Compound Microscope | Binocular Compound Microscope | Trinocular Compound Microscope | Trinocular Compound Microscope |
Head | Binocular Siedentopf Head | Trinocular Siedentopf Head | Trinocular Siedentopf Head | Binocular Siedentopf Head | Trinocular Siedentopf Head | Trinocular Siedentopf Head |
Eyepieces | 10X and 25X | 10X and 25X | 10X and 25X | 10X and 25X | 10X and 25X | 10X and 25X |
Objectives | 4X, 10X, 40X (Spring), 100X (Spring, Oil) | 4X, 10X, 40X (Spring), 100X (Spring, Oil) | 4X, 10X, 40X (Spring), 100X (Spring, Oil) | S Plan infinity 4X, 10X, 40X (Spring), 100X (Spring, Oil) | SA 4X, 10X, 40X (Spring), 100X (Spring, Oil) | S Plan infinity 4X, 10X, 40X (Spring), 100X (Spring, Oil) |
Magnification Power | 40X, 100X, 250X, 400X, 1000X, 2500X | 40X, 100X, 250X, 400X, 1000X, and 2500X | 40X, 100X, 250X, 400X, 1000X, 2500X | 40X, 100X, 250X, 400X, 1000X, 2500X | 40X, 100X, 250X, 400X, 1000X, 2500X | 40X, 100X, 250X, 400X, 1000X, 2500X |
Illumination | 1W LED | 1W LED | 1W LED | 1W LED Auto Power off | 1W LED Auto Power off | 1W LED Auto Power off |
Power Input | 110-240V | 110-240V | 110-240V | Type C 5V (Power Bank Compatible) | Type C 5V (Power Bank Compatible) | Type C 5V (Power Bank Compatible) |
Product Quick Look
- A compact, versatile compound microscope with fully-coated all-glass optics. The four SA DIN Achromat objectives (40X Semi-plan) combined with interchangeable wide-field 10X and 25X eyepieces offer six magnification levels: 40X, 100X, 250X, 400X, 1000X, and 2500X.
- Ergonomic and user-friendly design reduces strain on the user. The Siedentopf head, easily adjustable for different interpupillary distances without losing focus, is 30-degree tilted to reduce neck strain. The focus knobs are positioned low to ensure that the hands can rest on the desk while using the microscope. The carrying handle, power adapter compartment, and power cord hanger are all integrated into the microscope stand for easy microscope transport and better storage of parts.
- High energy efficient and LED illumination has a low power consumption and is compatible with a Type-C plug from a portable charger making this microscope absolutely portable. The auto power off function ensures that the battery is not drained inadvertently.
- The built-in “quick start guide” system assists the user to find the focus point easily and also to adjust the right aperture diaphragm for perfect specimen illumination. A great image can easily be acquired, even for a new user for microscopes.
- This microscope is covered by an industry-leading 8-year warranty for mechanical parts. Further instruction videos and manuals can be instantly accessed by simply scanning of the QR code on microscope.
Package Dimensions | 18.75 x 13.25 x 9.5 inches |
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Item Weight | 11.92 pounds |
Date First Available | May 11, 2021 |
Manufacturer | SMOC |