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Orion FlexiShield for 150mm (6) Cassegrains $19.99 Every owner of a Schmidt-Cassegrain or Maksutov telescope knows what a pain dew can be. When it forms on the front corrector plate or lens, it’s usually time to call it a night. Our FlexiShield dew cap is the answer. It reduces the formation of dew, prolonging your observing sessions. It’s made of durable, flexible ABS plastic that won’t chip or break like hard dew caps. It wraps snugly around you… |
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Orion FlexiShield for 235mm (9.25) Cassegrains $19.99 Every owner of a Schmidt-Cassegrain or Maksutov telescope knows what a pain dew can be. When it forms on the front corrector plate or lens, it’s usually time to call it a night. Our FlexiShield dew cap is the answer. It reduces the formation of dew, prolonging your observing sessions. It’s made of durable, flexible ABS plastic that won’t chip or break like hard dew caps. It wraps snugly around you… |
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Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope) $119.95 Introducing our new 2″ XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view provided by 2″ eyepieces. Featuring our premier StarBright XLT coatings, this unit has an interferometer tested 10th wave flat mirror. This premium diagonal is designed to work with Schmidt-Cassegrain telescopes…. |
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Celestron CGE Pro 1100 HD Computerized Telescope 11093 $7,399.00 Celestron CGE Pro 1100 HD Computerized Telescope 11093… |
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Geometric Optics: Theory and Design of Astronomical Optical Systems Using Mathematica® (Modeling and Simulation in Science, Engineering and Technology) $69.95 This bookâunique in the literatureâprovides readers with the mathematical background needed to design many of the optical combinations that are used in astronomical telescopes and cameras. The results presented in the work were obtained by using a different approach to third-order aberration theory as well as the extensive use of the software package Mathematica®. Replete with workout… |
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A family of flat-field cameras, equivalent in performance to the Schmidt camera. … |
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The Romantic Piano Concerto, Vol. 7 $10.98 … |
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Lockenhaus Collection – 10 CD $170.98 … |
Schmidt Camera Flat
“Don’t Let Go”