WebNot that the RedCat 51 is all that big: the tube is just 225mm x 80mm (8.9" x 3.1") with the retracted dew shield, and it weighs just 1.47kg (3.24 lbs). With a tube made of attractive … WebYou'll be able to decently capture most nebulae and galaxies. With Redcat, you can only capture large nebulae and galaxies. Really a great focal length to learn with. Though not ideal for many galaxies. You may want to consider a subscription based rental service on a big scope if you want data in an affordable way.
William Optics RedCat 51 II f/4.9 Petzval Apo Refractor Telescope
WebBuilding on the massive success of the RedCat 51, William Optics has proudly announced the all-new RedCat 71! The William Optics RedCat71 is a 71-mm f/4.9 refractor that features a 350mm focal length for fantastic widefield images of the night sky. The optical design is a Petzval design with a doublet front element incorporating FPL-53 glass ... WebThe RedCat is a Petzval and so has a very wide 'back focus' of something like 29 to 59mm. A DSLR with a T-Ring is already 55mm so you only have maybe 4mm with which to work. That's not enough for a filter wheel or a filter drawer. The RedCat does have a place for a 2" filter behind the rotator. network advertising private limited
The Fundamentals of Heating and Cooling Degree Days, Part 1
WebDEW has a family of portable Field Space Heaters to provide controlled heat and ventilation for shelters and tents. They are predominantly used in the land environment, but also have application in the maritime and … WebFor those with humid conditions, we are also offering an optional accessory – built in heater, which can dry up the dew off the LED panel. And for smaller telescopes it can even take care of optics dewing. Note: for major dewing and larger optics which have bigger lens, which is further away from the front of the dew shield we still recommend ... WebFiberfrax Modules. Our Modules are made from Fiberfrax blankets & can be secured by hardware or mortar. They are rated at 1800°F, 2300°F, 2600°F & 3000°F. Standard sizes … network advertising andheri