DIY Newton Reflected Monocular High Precision Paraboloid Aspherical Primary Mirror D130F650 Space Telescope Astronomic
Note: As a result of pure hand grinding and correction, the lens surface will be slightly slight scratches, take pictures can not see, only in the day and reflective to see when the mirror produced when the polishing, absolutely not affect the use. Do not buy if you mind. Thank you!
- Caliber: 130mm;
- Focal length: 650mm (F5);
- (Note: Please contact us when purchasing, to determine the size of the focus and whether the spot, or random delivery)
- Face accuracy:> 1/8 wavelength
- High quality K9 glass, precision annealed without stress
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DHL: 4-7 days
EMS: 7-15 days
AliExpress Standard Shipping: 10-60 days
Special Line-YW: 15-60 days
Sendout orders usually in 1-3 days after we acknowledged the purchase (Except for Public Holidays) Ship parcels by AliExpress Standard Shipping Methods.
Kindly notice: Because of customes and weather, maybe sometimes it will delay some time, but we will extend the delivery time for for you, so please wait some more time patiently.
Promise to deliver the parcels to you within 60 days, except for Brazil (90 days).