Specification

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Biconvex lens: Φ 40mm, F=100mm±2mm    1 PC
Biconvex lens: Φ 30mm, F=50mm±2mm      1 PC
Plano-convex lens: Φ 50mm, F=300mm±12mm    1 PC
Biconcave lens：Φ 30mm, F= - 75mm±4.5mm          1 PC
Light: 6V 3W Light bulb
White board: 8X10CM     1 PC
Word board: 8X10CM        1 PC
Frosted glass：8X12CM    1PC
Base: 4PCS
Plunger:  1 PC
 

Payment

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Payment should be sent within 7 business days to avoid a UPI case.
If you don't pay in time, we can't promise we will keep the item you bid in stock all the time.


Shipping

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We usually ship item by economic post air mail. It usually takes approximately 15-30 business days.
Somtimes, it might take much longer time because of customs things.
If you want express shipping such as DHL, FeDex, EMS etc, please contact with us.

Contact us

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For any questions before and after sale, please leave us ebay message, and we will do our best to resolve them.