Microscope with Objectives 10/0.25 4/0.1 40/0.65

Condition: Used

A used compound laboratory microscope equipped with three achromatic objectives rated at 4/0.1, 10/0.25, and 40/0.65, providing magnification from 40x to 400x. The unit powers up and has a good working bulb. Pictured accessories are included.

Included with this unit:
• Working bulb / illumination system
• Pictured accessories (as shown)

Compound biological microscopes fitted with achromatic DIN-standard objectives at 4x/0.10, 10x/0.25, and 40x/0.65 numerical aperture represent a widely used class of transmitted-light upright laboratory microscope. These instruments are designed for the examination of prepared slides and biological specimens in educational, clinical, and general laboratory environments.

Objectives: Achromatic DIN-standard, 4x (NA 0.10), 10x (NA 0.25), 40x (NA 0.65)
Objective Standard: DIN (Deutsche Industrie Norm), 160 mm tube length
Numerical Aperture: 0.10 (4x), 0.25 (10x), 0.65 (40x)
Cover Glass Correction: 0.17 mm (standard)
Total Magnification Range: 40x–400x (with 10x eyepiece)
Typical Eyepiece: WF10x
Nosepiece: Revolving triple or quadruple position, ball-bearing mounted, parcentric and parfocal
Illumination: Transmitted sub-stage illumination (halogen or LED depending on model)
Condenser: Abbe condenser, typically NA 1.25, with iris diaphragm
Focus: Coaxial coarse and fine focus adjustment with rack-and-pinion mechanism
Stage: Fixed or mechanical stage with slide clips or vernier-calibrated controls
Head: Monocular or binocular, typically 45° inclined viewing tube
Objective Thread: RMS (Royal Microscopical Society) standard
Typical Applications: Cell biology, histology, microbiology, clinical examination, teaching and demonstration, specimen analysis

Note: Exact specifications vary by manufacturer and model. Please refer to the original manufacturer's documentation for unit-specific details.