JOEBO Microscope Kit Diameter 120 Mm Led Lighting High Efficiency Uniform Spot Fresnel Lens Focus Magnifier Microscope Lens Adapters(120MM B_2MM)

Description

• Diameter: 120mm. Focal length: 50/120/220mm. Thickness: 2mm.
• 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!!).
• Perfect microscope accessories, exquisite workmanship, can be widely used in microscope. With good durability and stability.
• You can reach us anytime for any query and I'll available 24x7 to assist you, have a good day.

Specification:
1) Diameter: 120mm.
2) Focal length: 50/120/220mm.
3) Thickness: 2mm.
4) Grain pitch: 0.3mm or 0.5mm.
5) Shape: Round.
6) Material: Acrylic.
7) Production proceSss: Cold forming.
8) Transmittance: 92%.
9) Use temperature: -40 degrees -80 degrees.

Please note:
1) 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!!).
2) Fresnel lens and convex lens are the same in function, but the two shapes are completely different, please pay attention to the distinction.
Note:
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

Shipping and Returns

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