LED Fluorescent Trinocular Biological Microscope, BS-2048FT

Q: Can I switch between bright field and fluorescence observation without changing the light source?

A: Yes. The instrument uses a single-knob switchover between transmitted bright field illumination and the reflected LED fluorescence module, so no lamp change is required.

Q: What is the standard fluorescence filter module fitted to this microscope?

A: The standard configuration includes the B1 band pass filter LED fluorescent module (5 W LED, 470 nm; EM 535/40 nm; EX 480/30 nm; BS 505 nm), fitted with an intensity adjustment knob, a BF/FL switching knob, and an eye guard.

Q: Are other fluorescence filter modules available?

A: Yes, as optional upgrades: B2 (long pass, 470 nm), B4 (TB-specific, 455 nm), G1 (band pass, 470 nm), UV2 (long pass, 385 nm), and UV4 (long pass, 365 nm). Specifications for each are listed in the technical data table.

Q: Can this microscope run on battery power?

A: Yes. The transmitted illumination accepts a Type-C portable battery as a power source, in addition to the standard 100–240 V external transformer supply. A USB port on the body can also charge a phone or tablet.

Q: What does the ECO standby function do?

A: The microscope automatically cuts illumination after a configurable idle period of 5–60 minutes. It wakes by touching the dimming knob.

Q: Can colour temperature and brightness be adjusted, and are they displayed?

A: Yes. The 5 W LED transmitted illumination offers continuous intensity control and colour temperature adjustment across a 3 000–7 000 K range, with current brightness, colour temperature, and objective magnification shown on a front LCD display.

Q: What objectives are fitted as standard, and can the set be expanded?

A: Standard infinity plan achromatic objectives are 10×, 20×, 40×, and 100×. Optional additions include 2× and 4× achromatic objectives, a full infinity plan phase contrast set (10×, 20×, 40×, 100×), and an infinity plan semi-apochromatic set (4×, 10×, 20×, 40×, 100×).

Q: Does the nosepiece remember illumination settings per objective?

A: Yes, the quintuple nosepiece includes a brightness memory function that stores the illumination setting for each objective.

Q: Is the microscope suited to phase contrast or dark field work?

A: Phase contrast and dark field observation are supported with optional accessories, namely the phase contrast insert plates (for 10×/40× and 20×/100× objectives), the dark field insert plate (for 4×–40× objectives), and a centering telescope.

Q: Can a camera be attached?

A: Yes, via the trinocular port (50:50 split ratio), using optional C-mount adapters (0.35×, 0.5×, 0.65×, or 1×) or a photo cube.

Q: Is immersion oil included?

A: Yes, 30 ml of fluorescent-free immersion oil is supplied as standard.

Q: What is the stage construction?

A: A double-layer mechanical stage with a ceramic-painted surface, 210 × 171 mm, with X-axis precision of 0.1 mm (rackless) and a moving range of 78 × 51 mm. A damping double-clip holds two slides simultaneously.

Q: What applications is the BS-2048FT suited to?

A: Fluorescence microscopy, bright field observation, dark field observation, phase contrast observation, TB detection, immunofluorescence, cell biology, haematology, pathology, teaching and biomedical laboratories, and field use under battery power.