Special Notice-We want to let our customers know that during this timeframe we continue to do business as usual. Write a Review. Mirror blanks are individually tested for internal strain. Zambuto Optical Company is a full service custom manufacturer of premium Newtonian primary telescope mirrors from 7" through 24" diameter. The November 1974 issue of Sky & Telescope (page 325) carried an article by Eric G.H. Celestron - NexStar 6SE Telescope - Computerized Telescope for Beginners and Advanced Users - Fully-Automated GoTo Mount - SkyAlign Technology - 40,000+ Celestial Objects - 6-Inch Primary Mirror … The Astronz-GSO 8" Dobsonian has a 8 inch (200mm) primary mirror with a focal length of 1,200mm and a focal ratio of f/6. It gives clear, bright wide-field views of deep sky objects such as star clusters and nebulae. Please note that the 8, 10 and 12.5 inch mirrors come all required mounting hardware. Condition is "Used". Conical Mirror Specifications An 8 inch telescope will also show stunning views of the planets and the Moon. Big 8" parabolic primary mirror and 1000mm focal length (f/4.9) make the SkyView Pro 8 an ideal telescope for viewing deep-space objects such as cloudy nebulas, distant galaxies, and both open and globular star clusters; Also capable of breathtaking views of closer cosmic fare like the planets of our solar system and the Moon The currently available devices for stabilizing a telescope on a Dobsonian mount include a sliding weight to counter balance the weight of the telescope, a friction lock that must be adjusted to inhibit movement of the telescope, and a spring attached between the telescope tube and mount to aid in stabilization. Our Price: $230.00. Mfg #: PATM-GS-P8F6SET. Mobsby of Blandford Forum, Dorset, England, describing a method of testing medium and long focus mirrors with a special inverse grating that can be interpreted with the ease of a Null Test. Telescope Mirror Blanks Providing telescope mirror blanks and kits to telescope makers. Include a mirror mount It is probably f6 but never measured Free shipping ... 1.25 inch 90 Degree Dielectric Mirror Diagonal Kit for Astronomical Telescope BR. Last one . shipping: + $1.99 shipping. Contiguous US Customers: All items we sell ship for free within the Contiguous US. A General Description of Conical Mirrors. Plastic protractor inserted under a 6 inch mirror blank during a stress test, to illustrate what stress would look like - if there were any present. $31.28. 0.965 inch Mirror Diagonal Mirror for Refractor Telescope Eyepiece 90 Degree. See description on new 6, 8, 10 and 12.5" inch conical mirrors as well as 14.5 inch and larger mirrors for mounting methods. 8 Inch telescope mirror. GSO 8" f/6 Parabolic Primary and 50mm Secondary Telescope Mirror Set ; GSO 8" f/6 Parabolic Primary and 50mm Secondary Telescope Mirror Set. $28.78. Our Price: $230.00. Our #: PATM-GS-P8F6SET.

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