Red cat71 f/4.9
WebThe RedCat 71 provides color-free apochromatic performance. With 4 elements in 3 groups (2-1-1- configuration), the 71 mm RedCat Petzval refractor is designed with a doublet … Web2 hours ago · Duncan Public Schools, in conjunction with Chicken Express, honored the employees of the month for this school year during a regularly scheduled meeting on April 11. Certified Teacher of the Month went to Jennifer Kinnaird of Duncan High School and Support Staff of the Month went to Glenda McBride, also of Duncan High School.
Red cat71 f/4.9
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RedCat 71 Specifications: Focal Length: 348mm; Diameter: 71mm; Aperture: f/4.9; Optical Design: Petzval (4 element) Focuser: Helical Focuser with 2GT Gear Ring; Image Circle: >43mm; Tube Length (with dew shield): 435mm; Dew Shield Circumference: 323.4mm; Dew Shield Diameter: 103mm; Rear Camera Side Threads: M48x0.75; Weight: 6.2lbs / 2.8kg (OTA ... WebWilliam Optics REDCAT 71 mm f/4.9 Astrograph The William RecdCat 51 is a successful model and has found its following. Now William offers the much more powerful RedCat …
WebRedCat 51 II APO 250mm f/4.9 $ 865.00 – $ 899.00 Great portability with built-in Bahtinov mask 51mm Objective Lens f/4.9 focal ratio (250mm Focal Length) Full frame camera supported 2nd Generation Edition Special Black Cat Edition Available! (Limited) Black Cat Edition with saddle bar included +Special CAT Carrying Case S&T Test Report by Alan Dyer WebThe RedCat 71 is the perfect Apochromatic refractor for photographic astronomers demanding excellence in a small sized telescope. Note that RedCat 71 is an imaging-only scope and cannot currently be used for visual observing. ... Aperture: f/4.9. Flattener Petzval Flat Field Focuser: Helical Focuser with 2GT Gear Ring. Color: Red. Lens Material ...
WebAug 27, 2024 · As with the RedCat 51, the RedCat 71 uses an ED “quadruplet” design – really, a Petzval – with a 2-element objective lens and 2-element field flattener/reducer, each with one extra-low-dispersion (ED) glass element.The Petzval design has less chromatic aberration than a standard, native f/4.9 refractor would and the built-in field flattener is … WebThis RedCat refractor has a 51 mm objective lens with 250 mm of focal length, resulting in a fast f/4.9 focal ratio. High-quality Ohara FPL53 glass comprise the lenses of this quadruplet refractor and provide a flat field, even for full-frame camera sensors.
WebRedCat 71 APO 350mm f/4.9 $ 1,698.00 Read more Gran Turismo 81 IV $ 1,568.00 Select options Zenithstar 81 APO $ 888.00 Select options Zenithstar 73 III APO $ 730.00 Select options Zenithstar 61II APO $ 599.00 Select options HOT! RedCat 51 II APO 250mm f/4.9 $ 865.00 – $ 899.00 Select options
WebGerätetyp: WiFi Controller für Kameras und Montierungen. Autoguiding: Standalone Autoguiding Funktion. USB Ausgänge: 2x USB 3.0, 2x USB 2.0, 1x USB-C. 12 V Ausgänge: 4x 5,5/2,1 mm Hohlstecker. LAN Anschluss: dialysis needles in a fistulaWebThe William Optics Redcat 71 offers the same stellar performance of the highly popular Redcat 51 with more aperture. This 71mm f/4.9 refractors features FPL-53 glass providing … dialysis needle placementWebThe WO Cat71 is a 71-mm f/4.9 refractor using a Petzval design with a doublet front element incorporating FPL-53 glass, plus a single central element and a single rear lens. By this design, our WO Cat71 provides a flat image plane without any additional flattener and the image circle is over 45mm. WO Cat71 is designed primarily for imaging ... ciprofloxacin hcl 500mg tab used fordialysis needles photosWebWith focal ratio of f/4.9, the RedCat 51 also makes a superb camera lens for birders and wildlife and nature photographers. The apochromatic optics are razor sharp and free of false color, much better than most camera lenses. With a weight of just 1.47kg, the RedCat is easy to use hand held. dialysis newcastleWebWilliam Optics RedCat 71 f/4.9 APO Astrograph Refractor. This William Optics 71 mm APO Astrograph is a premier tool for astrophotographers. The RedCat 71 provides color-free apochromatic performance. With 4 elements in 3 groups (2-1-1- configuration), the 71 mm RedCat Petzval refractor is designed with a doublet made of FPL-53 glass up front, a ... dialysis nephrologyWebJul 21, 2016 · It seems like RedCat 71 will be f/4.9, approximately 350mm fl. There is a bigger cat in the works as well and that is RedCat 91 with f/3.9 ratio. All of this … dialysis needles images