80Mm Doublet Optical Glass Lens Focal 400-900Mm Ar Coating Diy Telescopes Lens

Assembly direction, with the thin side of the lens facing the direction of the scene and the thicker lens facing the direction of the tube.

 

Hello!

We Usually Ship Your Order in About 3 Days After We Receive It, Except for Products That Need to Be Handmade and Pre-orders.

Shipping to Usa/Uk Usually Within 12-18 Business Days Depending on Your State!

Shipping to Canada/Australia/France/Spain/Germany It Takes 15-20 Business Days for These Countries.

Except for Severe Weather, Such As Earthquakes, Fires, Cold Snaps, Typhoons, Etc. the Speed of Sound.

Our City Is the Largest Producer of Lenses in China, Producing a Wide Range of Laboratory Lenses, Microscopes, Eyeglasses and More.

If You Need to Buy in Bulk, Please Contact Me and I Will Offer You a Discount.

If You Accidentally Choose the Wrong Size When You Buy, You Can Contact Me to Adjust It.

If You Are Not Satisfied After Receiving the Goods, Please Don't Just Give Me Negative Comments, You Can Contact Me and I Will Solve Anything for You.

For Example, Lost Parcels, Broken Items, International Long-distance Transportation Parcels Can Not Be 100% Safe Arrival, but I Will Give You a Good Solution and Compensation Must Make You Satisfied!

Please Give Me a Chance, Thank You!

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