PX43 BIO & FS6 Intelligent Inverted Microscope Series: Upgraded with New and Improved Objectives and Phase Contrast Imaging

Posted by Motic America on July 21, 2025

Motic's PX43 BIO & FS6 Series are intelligent inverted microscopes. The PX43 features our CCIS infinity corrected optical system, OLED display, quintuple encoded nosepiece and Motic Analysis Bio software for excellent imaging quality. The PX43 comes standard with bright-field and phase contrast observation modes. The PX43 FS6 adds fluorescence to the capabilities. A new generation of professional image analysis software, Analysis Bio with it’s simple and intuitive interface, is rich in functions and easy to use. The software provides a wide range of functions and measurement tools for a variety of applications, which greatly improves the user's work efficiency.

Model	PX43 BIO	PX43 FS6

Descriptions	PX43BIO is an intelligent inverted microscope optimized for brightfield and phase contrast. With a long working distance, ergonomic design, and seamless software integration, it’s ideal for routine live-cell imaging, delivering high-quality images and enhanced workflow efficiency through automated objective recognition and real-time status display.	PX43FS6 expands PX43BIO’s capabilities with advanced fluorescence imaging. It features a coded 5+1 fluorescence turret, adjustable light shields, and compatibility with LED and mercury-based light sources. Designed for multi-channel fluorescence and live-cell analysis, it offers superior optical performance for research in biology, immunology, and medicine.
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PX43 Series Features

Ergonomic Observation Tubes	Large Working Distance
The observation tube can be rotated 360° freely and provides users with a comfortable observation angle. You can maintain a comfortable posture for operation and reduce fatigue for long-time work.	The large working distance of 72mm provides sufficient space for placing various cell culture containers.

Angle-adjustable Fluorescent Baffle	Flexible Selection of Transmitted Light Source
The PX43 FS6 is equipped with a continuously angle- adjustable fluorescent shield, which can be adjusted according to the user's habits and usage scenarios to protect your eyes from fluorescent light sources.	You can choose 50W halogen lamp or 10W LED for transmitted light source. Both of them can reach the optimal state. The field of view is bright and uniform, and the user can easily change the lighting source according to the actual use requirements.

Coded 5+1 Filter	Coded Objective Turret
The PX43 FS6 comes standard with high-quality DAPI, FITC and TRITC filters, and adopts a 5+1-channel intelligent coded fluorescence turret, which can support up to 5-channel for fluorescence observation and 1-channel for bright field observation.	It comes standard with a 5-hole coded objective turret, which supports up to 5 objectives with different magnifications. While acquiring rich sample information, the software can automatically identify objective changes, and after switching objectives, the software can display the current objective magnification, and the pictures can be traced back to the magnification information, which can improve your work efficiency.

Real-time Display of Microscope Status	Multiple Carrier Tray Options
The front OLED display with simple UI design and smooth operation. It can display microscope working status information such as objective magnification, brightness, filters, etc. And the display can be refreshed in real time with the user's operation to show the working status of the microscope , which makes the user's operation smarter and more convenient.	The PX43 comes standard with a hard-coated stage and an optional mechanical stage, which supports with various types of carrier trays that can be easily swapped out by the user, in order to meet the needs of various types and sizes of cell culture containers, such as flasks, Petri dishes, and 96-well plates for observation of different samples.

Multifunctional Knob
The knob integrates a variety of function, light source switching and brightness control, filter configuration, objective configuration, and ECO time setting. This greatly improves the user's working efficiency. Light Source Selection: Various transmission/falling light sources can be freely selected according to the application. ECO time setting: Sleeping time can be set to wake up the microscope at any time. Objective Configuration: Coded objective turret with brightness memory function. Filter Configuration: Filter types can be set.

Setting	Light source setting	ECO setting	Objectives setting	Filter cubes setting
Wide Selection of Fluorescent Light Sources
The PX43 FS6 supports not only traditional mercury fluorescent lamps, but also Motic LED fluorescent lamps, LUMOS3, and metal halide fluorescent lamps, LUMOS X. ▶ LUMOS3: No need to warm up, average life up to 20,000h. Low phototoxicity, friendly to weak fluorescence observation. Each channel is independently controlled and can automatically match the light source when switching filters. ▶ LUMOS X: Average life up to 3000h, only 90s warm-up, adjustable light intensity. The light source status and cumulative hours of use can be displayed, making it easy for the user to check the use of the light source.
LUMOS3
LUMOS X