Olympus Microscope Objective – 40x / 0.65 / 0.17 – FN20 Plan Achromatic Lens – Excellent Condition

Unit is in excellent optical and cosmetic condition — carefully removed from a working Olympus microscope and ships securely packaged for safe delivery.

The Olympus 40x Plan Achromatic Objective is designed to deliver high-resolution, flat-field imaging across the full field of view (FN20). With a 0.65 numerical aperture and 0.17 mm cover glass correction, this objective is ideal for detailed observation of biological specimens in research, clinical, and educational microscopy applications.

Product Details

• Manufacturer: Olympus
• Type: Plan Achromatic Objective Lens
• Magnification: 40x
• Numerical Aperture: 0.65
• Cover Glass Thickness: 0.17 mm
• Field Number: FN20
• Designed for high-contrast, flat-field imaging

Applications

• Suitable for biological, clinical, and educational microscopy
• Ideal for examining cells, tissues, and stained slides under high magnification
• Compatible with a wide range of Olympus compound microscopes that accept 45 mm DIN objectives

Features

• Plan Achromatic correction delivers flat, clear images across the entire field
• Optimized for 0.17 mm cover slips for consistent optical performance
• Durable, precision-built lens designed for routine lab use

Condition

• Pre-owned objective lens in excellent optical condition
• Lenses are clean, clear, and free of haze or significant scratches
• Ships securely packaged to protect optics during transit