Reviews Crayford Focuser Eyepiece Set

Sky-Watcher EvoStar 80 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy S11100

  • EXPERTLY MATCHED GLASS: The EvoStar series features a matched doublet objective including one synthetic fluorite element, providing excellent color correction for visual and photographic uses.
  • OUTSTANDING COLOR CORRECTION: Using the finest quality glass and proprietary Metallic High-Transmission Coatings (MHTC), EvoStar refractors produce tack sharp images with accurate color and minimal aberrations.
  • EVOLVES WITH SKILL: No need to replace this telescope as your skill set evolves. Whether you’re a seasoned astrophotographer or a budding novice, EvoStar refractors are versatile enough to use as your primary optical tube as your skill-set improves.
  • 10:1 DUAL-SPEED FOCUSER: No matter the eyepiece or camera, finding focus is a breeze with this 10:1 dual-speed Crayford-style focuser.
  • EVERYTHING YOU NEED: The EvoStar 80 comes complete with a foam-lined aluminum hard case, 8x50 Right Angle Correct Image (RACI) Finderscope, 2” Dielectric Diagonal, 5mm and 25mm LET Eyepiece, 1.25” Adapter, Mounting Rings and a V-Style Dovetail.
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Orion Skyline 8' Dobsonian Reflector Telescope Kit

  • This 8" Dobsonian telescope comes "fully loaded" with a great set of accessories and top-notch features.
  • Azimuth roller bearings and adjustable altitude trunnions provide silky-smooth telescope motion and precision 2" Crayford focuser features dual-speed adjustment control with 10:1 fine-focus.
  • Includes an 8x50 right-angle finder scope, cooling fan, eyepiece rack, and more!.
  • Special Kit includes Orion Deep Map, Orion 2" UltraBlock Filter, Orion 1.25" Variable Polarizing Filter, Orion Planetary Observing Guide Kit, and Orion SteadyPix Quick Smartphone Telescope Photo Adapter.
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Orion SkyQuest XT6 Classic Dobsonian Telescope Kit

  • Simple hands-on, point-and-view navigation without complicating counterweights, gears, clutches, polar alignment, or the need to balance the tube. Easy and fun.
  • Big 6"-diameter parabolic mirror excels for Moon and planetary views, and has enough light grasp for deep-sky viewing of nebulas, galaxies, and star clusters.
  • Features a precision 2" Crayford focuser with 1.25" adapter, allowing use of 1.25" eyepieces or optional 2" eyepieces.
  • Stable Dobsonian base provides vibration-free images even when viewing at a high powers, and features smooth motions to make manual tracking of celestial objects a breeze.
  • This kit includes some excellent value-added accessories to enhance your experience: Orion Shorty 2x Barlow (for double the magnification), Orion's MoonMap 260, DeepMap 600, and Telescope Observer's Guide, a RedBeam Mini flashlight, and a smartphone photo adapter for taking pictures through the telescope's eyepiece.
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Sky-Watcher Quattro 300P Imaging Newtonian - Large Aperture 12-inch Reflector Optical Tube for Astrophotography

  • FAST f/4 OPTICS: With a bright f/4 focal ratio, the Quattro Imaging Newtonian captures greater detail in a shorter exposure time.
  • 2-INCH DUAL-SPEED CRAYFORD-STYLE FOCUSER: Never miss focus with this 2-inch dual- speed crayford style focuser.
  • OVERSIZED SECONDARY MIRROR: All Quattro Newtonians use an oversized secondary mirror capable of illuminating both APS-C and full-frame DSLRs without vignetting.
  • KNIFE-EDGE BAFFLES: Multiple knife-edge baffles minimize stray light from entering the optical tube and ruining your imaging or viewing experience.
  • EVERYTHING YOU NEED: While most manufacturers make you pay extra, Sky-Watcher gives you everything you need right out of the box, including: tube rings, a Vixen-style dovetail, and an 8x50 straight-through finderscope and bracket.
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Orion 1.25-Inch Variable Universal Camera Adapter

  • Adjustable length adapter lets you attach a T-ring equipped DSLR or SLR camera directly to your telescope.
  • Useful for either prime-focus or eyepiece-projection astrophotography with refractors or reflector telescopes.
  • Slides into 1.25" telescope focuser or 2" focuser with step-down adapter.
  • has T-threads for attachment of camera body.
  • Allows you to vary the magnification without changing the inserted eyepiece when performing eyepiece projection astrophotography.
  • Requires T-ring to fit your brand of camera (T-rings sold separately).
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Orion Skyline 6' Dobsonian Reflector Telescope

  • The SkyLine 6" Dobsonian will reveal countless celestial objects in dazzling detail, while providing an easy, point-and-view experience..
  • Perfect for beginning and intermediate observers who want more than the typical starter scope.
  • Premium CNC-machined 1.25" Crayford focuser is just one stand-out feature.
  • Also included: 25mm and 9mm Plossl eyepieces that deliver 48x and 133x power, respectively.
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SVBONY SV106 Guide Scope 60mm Multi-Use Finder Scope Guide Scope with Helical Focuser F4 for SG4 QHY5II ZWO SG4 CCD Astronomical Telescope

  • this convenient feature means your field of potential guide stars will not rotate as focus is adjusted, further increasing ease of use.
  • For those nights when you don't plan to capture astrophotos exposures, this versatile Guide Scope can double as a straight-through finder scope with an optional 1.25" eyepiece installed.
  • For example, inserting a 25 mm eyepiece creates a 9.6x60 finder scope, or you can insert one Illuminated Centering Eyepieces for use as a finder with illuminated crosshairs for easy aiming.
  • The focuser boasts 8 mm of precise helical focus travel.
  • plus telescoping drawtube housing provides up to 35mm of additional back-travel if needed for your particular autoguider device.
  • a compression ring fitting keeps any inserted autoguider cameras or eyepieces free of pesky scratches.
  • The Multi-Use Guide Scope with Helical Focuser also features male T-threads on the focuser collar for secure threaded attachment of guide cameras equipped with female T-threads.
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SVBONY SV171 Telescope Eyepiece Zoom Eyepiece 1.25 inch 8mm to 24mm Zoom FMC 7 Element 4 Group for Telescope

  • SV171 Super-wide Angle 1.25" 8mm-24mm zoom eyepiece.
  • SV171 zoom eyepiece allows you to change magnification power without swapping out eyepieces.
  • Fully multi-coated glasses for excellent image contrast and light transmission.
  • Sharp optimal performance with low chromatic....
  • Exceptionally long 18mm-19.5mm eye relief range allows eyeglass wearers to enjoy the entire field of view without....
  • Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.
  • Standard 1.25" fitting diameter compatible with any astronomical telescope with 1.25" focuser.
  • The bottom M28.5 x 0.6 thread can also be used with....
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Orion SkyQuest XT8 Classic Dobsonian Telescope Kit

  • Simple hands-on, point-and-view navigation without complicating counterweights, gears, clutches, polar alignment, or the need to balance the tube.....
  • Large 8"-diameter parabolic mirror excels for deep-sky viewing of nebulas, galaxies, and star clusters, and serves up jaw-dropping views of the....
  • Features a precision 2" Crayford focuser with 1.25" adapter, allowing use of 1.25" eyepieces or optional 2" eyepieces.
  • Stable Dobsonian base provides vibration-free images even when viewing at a high powers, and features smooth motions to make manual tracking of....
  • This kit includes some excellent value-added accessories to enhance your experience: Orion Shorty 2x Barlow (for double the magnification), Orion's....
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Astromania Off-Axis Guider with Micro-Focusing - for Successful Astronomy Photos Without A Guide Scope

  • An off-axis guider is a brilliant invention. This device sits in the 2-inch focuser in front of the camera. A small prism directs a little light from the telescope into a separate tube - where your guide camera or crosshair eyepiece is attached. This makes it possible to instantly correcting any tracking errors during the extended period over which your camera is exposing the image - for perfectly round stars!.
  • The advantages: 1) lets you take beautiful astronomy photos with round stars. 2) for refractors, SCs, MAKs and RC telescopes. 3) off-axis guider only 24mm in overall length - very compact. 4) robust yet light. 5) 45mm optical transmission - full illumination, even with large chips. 6) micro-focusing - especially smooth helical focusing with 0.05mm accuracy. 7) 75mm of back focus..
  • The connections: Easy to adapt - the Astromania off-axis guider has an M48 thread on the telescope side and an additional socket for 2 inch eyepieces. The accessory has three screws and a flat M48 adapter for connecting your camera. The advantage - you can rotate your camera at any time and find the optimum orientation for the astronomical object you are exposing..
  • Exact micro-focusing with 10mm travel - for auto-guider or crosshair eyepiece: A small prism directs ....
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