Microscope Observation Circular Diameter 30 Mm Fresnel Lens Threaded Condenser Short Focal Length Small Size for Led Flashlight(30MM._2MM)
Product Description
Microscope Observation Circular Diameter 30 Mm Fresnel Lens Threaded Condenser Short Focal Length Small Size for Led Flashlight(30MM._2MM)
- Diameter: 30mm. Focal length: 13/15/20/30/50mm. Grain pitch: 0.3mm. Shape: Round.
- Fresnel lenses are concentric circles on the front and smooth surfaces on the back, with a regular thickness of 2mm and edges as thick as the center (not convex anywhere, not convex lenses!!).
- Our microscope accessories are made of high-quality materials to ensure durability and stability. Meet your various experimental needs.
- We promise to provide every customer with high-quality after-sales service. If you have any questions or need help, we will serve you wholeheartedly 24 hours a day.
Technical Specifications
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