Zinc Sulfidepowder

Used in Luminescent material, infra red optical material, semiconductor, as a pigment, used as a window for visible optics and infrared optics. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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Zinc sulfidechemical formula

The Galileo FS-80 optical tube assembly features an 800mm focal length. The primary mirror is 80mm's in diameter and features a heavy duty mirror cell with push / pull collimation screws.The Galileo FS-80 is mounted on an altitude azimuth yoke mount. It's easy use up and down, left and right movement is great for beginners and casual star gazers alike. The Mount features a slow motion altitude adjustment rod for precision adjustments and is attached to a very sturdy, fully adjustable, pre-assembled metal tripod with retractable rubber feet. The tripod also features an accessory tray with slots to place 4 1¼″ eyepieces or lenses. The finder is Galileo's Mars-Eye Electronic Finder which helps by getting the observer behind the telescope without losing the surrounding field of view when targeting objects. Included with the FS-80Z are an 1¼″6mm eyepiece, 1¼″20mm eyepiece and a 2 element 3x Astroscopic Barlow that triples the focal length of a telescope resulting in three times the magnification using your existing eyepieces.Lastly, the CBI Stellarium CD ROM brings skies over your home or anywhere in the world.

800mm x 80mm Optical Tube Assembly Diffraction limited Optical Tube Assembly (λ4) Altitude Azimuth Yoke Mount Slow Motion Altitude Adjustment Rod Fully Adjustable Heavy Duty, Pre-assembled Metal Tripod w/Accessory Tray Galileo Mars Eye Electronic Finderscope 1¼″ Helical Rack & Pinion Focuser 1¼″ 3x Astroscopic Barlow 1¼″ 20mm Eyepiece 1¼″ 6mm Eyepiece CBI Stellarium CD ROM One Year Limited Warranty

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.