Symmetrical eyepiece D=40mm F=45mm multi-layer wide film
Caliber D: 40mm
Focal length F: 45mm
Coating: Multilayer Broadband Film (400-700nm)
Diameter tolerance: +0/-0.12 mm
Center thickness tolerance: ±0.2mm
Focal length tolerance: ±0.1%
Remarks: Four-piece: two pairs of glue. Used for: astronomical telescope eyepiece
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Shipping Instruction:Usually we offer HongKong air parcel and take 25_30 shipping days. we will ship out your item in 24h after a your safe payment(saturday post off working). IF you need fast shipping please contact us for shipping fee and fast shipping need offer buyer'Tel No.otherwise item can't be ship out. If you do not receive your item after 30 days please email us. after 35 days still do not receive your item. we will give your refund or replacement. Strive for the best service is our tenet! We think no thing can't be slove after good communication from both side. we will reply all your message and emaill in 24h (may sometimes canot reply in time as the time difference)
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About us:We have a profersional design term with rich experience engineer in design field. In our factory in ShenZhen city more then 200 skillful masters assemble products in product line. Welcome to our factory visiting. you can also view our factory webset. we can offer you the best product with good wholesales price.
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Filed under: Eyepieces & Accessories