1. The aluminum alloy shell is machined, stable and , withstands long-term use
2. It is a 4x achromatic objective lens for biological microscopes.
3. It can eliminate unwanted reflections and increase contrast
4. It provides observation without additional chromatic aberration, making the image clearer
5. The objective lens is 30.5mm long, easy to use

Specification:
Features:
1. The aluminum alloy shell is machined, stable and , withstands long-term use.
2. It is a 4x achromatic objective lens for biological microscopes.
3. It can eliminate unwanted reflections and increase contrast.
4. It provides observation without additional chromatic aberration, making the image clearer.
5. The objective lens is 30.5mm long, easy to use.
Specification:
Item Type: Achromatic Objective Lens
Material: Aluminum Alloy + Optical Lens
Color: As the picture shows
Magnification: 4X
Tube Length: 160mm/6.3inch
Conjugate Distance: 185
Cover Glass Thickness: 0.17mm
Objective Lens Length: 30.5mm
Mounting Size: 20mm)Standard RMS Thread)
Product Size: 5*5*5cm/2.0*2.0*2.0inch
Package Weight: Approx. 41g
Package List:
1 * Achromatic Objective Lens