Suitable for multiple uses

Suitable for various applications such as school laboratories at all levels, industrial production lines, quality assurance inspection, etc.

Premium stereo optics from ZEISS

Adopting Greenough optical design, the Zoom zoom ratio is 5:1, the objective lens magnification is 0.8x ~ 4x, and the magnification is fixed.

good observation quality

The 23mm super large eyepiece field of view presents bright and clear image details.

Specification modular observation head

76mm standardized diameter, can be installed individually on production equipment or various carrier bases.

MP lens focus bracket

The lens frame diameter is 76mm and supports a fixed column diameter of 32mm.

40x30cm SF large base

The SF base has an operating space of 40x30cm. The lifting adjustment mechanism can lift (height) 278mm on the column, and the working distance is flexible. It is suitable for observing large samples or processing samples. You can also purchase an auxiliary mirror to increase the vertical working space for your hands.

Standard ring light source

Standard equipped with LED ring light source, with wide lighting range and uniform light brightness and color temperature.

A variety of lighting systems are available as optional extras

Compatible with many types of ring lights, snake neck lights, cold fiber optic conduit lighting... freely selectable according to usage needs.

ZEISS STEMI 305 MF Parts Description

Observation sample sharing (industrial application)

Metal Mechanism - Ring Lighting

Observation sample sharing (industrial application)

Printed Circuit Board - Ring Lighting

Product specifications

form	Greenough design, binocular stereo microscope
Visual tilt angle	The observation tube is tilted 45 degrees, and the distance between the eyes can be adjusted from 55-75mm.
Zoom ratio	The zoom ratio is 5:1. Without the auxiliary lens and 10x eyepiece, the standard total magnification range is 8x to 40x (inclusive)
Objective lens magnification	0.8x, 1x, 2x, 3x, 4x (with freeze-frame positioning assistance)
working distance	110mm or more (without auxiliary mirror)
Eyepiece form	Binocular type, a pair of 10x eyepieces, super wide field of view 23mm, the diopter of both eyes can be adjusted independently on the eyepieces
light source	Ring-shaped double row white LED lighting source
Base type	SF microscope platform (40cm x 30cm)
Frame inner aperture size	Φ76mm
Focusing mechanism	Rack drive steel ball guide
cylinder	Column diameter 32mm, column height 245mm