20*20*2mm Diffractive transmission grating holography Optical glass spectroscopy

Description: This auction is for:NEW 1pcs Square Sheets Diffractive transmission grating holography Optical glass for Spectral spectroscopy precision measurement displacement optical instrument Notice: we haven't listed all the line density and all quantity, so if you want more or other line density, please contact us. Descriptionjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj Product: Sinusoidal Original GratingQTY: 1PCSMaterial: Optical glassGrating type: diffraction transmission gratingDimension: Holographic one-dimensionalSize: 20mm * 20mmThickness: 2mm Line density: 50 line/mm 100 line/mm 200 line/mm 300 line/mm 500 line/mm 600 line/mm 1000 line/mm 1200 line/mm 1800 line/mm 2000 line/mm 2400 line/mm 3600 line/mm 5000 line/mm 600line/mmUsage: Spectrometer spectroscopy, optical experiments Shipping Jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj Due to the global pandemic, the deliver time will be longer than normal time, the deliver speed is slower and can't control.We send item via register airmail to worldwide(speedpak, epacket, post office airmail). comes with tracking NO., Your item will be shipped out within 48 hours after your payment clears. Please note some seller from Hongkong or south of China send goods via Hongkong airmail,it can arrive many country within 10-15 days, we are in east of China,only can use china airmail to send the goods,it is slower than Hongkong airmail,please check the form as follows to see the detail normal deliver time,if you can't wait that time, please don't purchase the items from us. Country NameNormal Deliver TimeTo North America14-28 business days To Most West/North Europe country14-28 business daysTo East/Middle Europe country21-35 business daysTo South America30-50 business daysTo Australia/New Zealand14-28 business days To East Asia 14-25 business daysTo West /Middle Asia21-35 business daysTo Russia21-35 business days TO Africa 50-70 business days Remark:The delivery time above will be excluded from there are local largeholiday(such as Xmas)or the local strike, if similar factors exist, deliver time will be longer than this, the goods may be delayed. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. PaymentJjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj We accept Paypal ExchangeJjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj Unsatisfied product can be returned within 14 days from receiving your item. We issue immediate full refund minus all shipping costs. New replacement item will be shipped out as soon as defective item received.

Price: 29.99 USD

Location: shanghai

End Time: 2025-01-21T11:05:14.000Z

Shipping Cost: 0 USD

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$20*20*2mm Diffractive transmission grating holography Optical glass spectroscopy$ $20*20*2mm Diffractive transmission grating holography Optical glass spectroscopy$