Enhance your biological microscopy with our precision-engineered 40X Achromatic Objective Lens, designed to deliver clear, high-contrast images for detailed observation. Crafted with a durable aluminum alloy shell and high-quality optical lenses, this objective lens offers exceptional performance while minimizing chromatic aberration and unwanted reflections. Its robust construction ensures long-lasting stability and reliability for both professional and educational laboratory use. Key Features: · Precision Machined Aluminum Alloy Shell: Ensures stable, durable performance and long service life under frequent use. · 40X Magnification Achromatic Lens: Provides detailed and sharp images ideal for biological microscopy applications. · Superior Optical Quality: Eliminates unwanted reflections and significantly increases image contrast for enhanced clarity. · Reduced Chromatic Aberration: Delivers high-quality observation without additional color fringing or distortion. · Convenient Size and Compatibility: With a length of 37.8mm and a standard 20mm RMS thread mount, this lens is easy to install and compatible with most biological microscopes. Specifications: · Item Type: Achromatic Objectives Lens · Material: Aluminum Alloy + Optical Lens · Magnification: 40X · Tube Length: 160mm (6.3 inches) · Conjugate Distance: 185mm · Cover-glass Thickness: 0.17mm · Objective Lens Length: 37.8mm · Mounting Size: 20mm (Standard RMS Thread) · Item Size: 5 x 5 x 5 cm (2.0 x 2.0 x 2.0 inches) · Package Weight: Approx. 62g Package Includes: · 1 x 40X Achromatic Objective Lens This achromatic objective lens combines durability with outstanding optical clarity, making it an essential accessory for accurate and reliable biological microscope observations. Perfect for laboratory professionals, educators, and enthusiasts seeking enhanced imaging performance.