... a wide selection of alternative charts for the patient toview. Refracting Distance 5m~ ∞Installation Distance 90-200cmBuilt-in Charts 30Masking Single ...
complete telescopes and instrument for endoscopic face-lifting advance technology best price and service we supply complete telescopes and instrument for endoscopic face-lifting ,with best price and advance technology ,wish to setting up long-term cooperation with you . endoscoic face-lifting
1Material:optical glass,fused silica,CaF2 Angle tolerance:5" 2Optical parallelism:3' 3Flatness:0.1wavelength Roof prism is combined with a right angleprism and a totally internally reflecting roofattached to the hypotenuse. It can invert andreverse an image, also, deflect the image90... Therefore, it is often used in terrestrialtelescopes, viewing systems and rangefinders.Material:optical glass, ...
teaching globe model, easy use for teachers and students We are professional Chinese manufacturer and exporter of telescopes(including monocular telescopes, binocular telescopes and asronomy telescopes), various globe models and Geology models globe
The product is methyl silanol, phenyl silanol, phenyl polymer from head etc main specificationAppearance:colorless to light yellow transparent Colorless to light yellow oily(25°C):1.470—1.485 refracting(25°C):100—200CS viscosity≥280°C flash point Phenyl methyl silicone oil
dove prism Be used in telescopes Dove prism are used in telescopes.Detailed Product Description Roof prism is one of the main ... parts in such advanced instruments as single telescopes,double telescopes, diving telescopes and astronomical telescopes.Specifications: 1) Material:BK7 / BAK4 / PSK3 grade A ...
Japan's original HAKUBA KMC - 06 lens paper cleaning paper Cleaning paperProduct descriptionSuitable for all kinds of camera viewfinder, such precision optical lenses surface, suitable for camera, wipe high-grade glasses, microscopes and telescopes, measuring instruments, cameras and other lenses and the clean. cleaning paper
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