Suited to astrophotography and visual use, the Starfield ED 80mm f/7 Doublet APO Refractor OTAfrom Starfield ED 80mm f/7 Doublet APO Refractor OTAfeatures a doublet apochromatic lens system with extra-low dispersion glass for clear, bright, high-contrast images with true color rendition. Its two-speed brass rack-and-pinion focuser allows fine focusing and supports 1.25" and 2" eyepieces as well as hefty CMOS or CCD cameras and accessories. The OTA comes with a wide-angle 20mm eyepiece, a finderscope, and a 2" diagonal. It requires a tripod and mount for use, which are sold separately.

80mm Apochromatic Refractor    560mm Focal Length, f/7 Focal Ratio    Extra-Low Dispersion Glass    2-Speed, 2" Rack & Pinion Focuser    20mm Wide-Angle Eyepiece, 90° Diagonal    50mm Right-Angle Finderscope    Vixen-Style Dovetail Plate & Cradle-Ring    Foam-Lined Aluminum Carrying Case

• 80mm objective lens
• 560mm focal length
• Focal ratio: f/7
• Extra-low dispersion (ED) glass
• Air-spaced apochromatic doublet lenses eliminate chromatic aberrations for true color rendition and enhanced contrast
  • 2" diameter focuser
  • Ball bearing-mounted solid brass dual-speed rack and pinion
  • Supports the weight of astronomy cameras, filter wheels, etc.
  • Accepts 1.25" and 2" eyepieces and male M63x1 threads
  • Back focus: 123mm from 2" receptacle, 161mm from M63 thread
    • User-supplied mount and tripod required
    • Vixen-style dovetail plate included
    • Heavy-duty rings
    • CNC-machined aluminum tube

      Related Questions and Answers

      Q: 1. Can you use 72mm screw on filters on the objective end?

      A: The objective end of the Sky-Watcher Evostar ED APO 72mm f/5.8 Refractor Guidescope does not accept screw on filters.

      Q: 2. What do I need to use a Nikon 5100 with this telescope?

      A: You will need the Sky-Watcher S20301 M48 Camera Adaptor for Nikon BH #SKCAN • MFR #S20301 https://www.bhphotovideo.com/c/product/759388-REG/Sky_Watcher_S20301_S20301_Camera_Adaptor_for.html

      Q: 3. For Nikon D5300 camera which T-adapter is recommend to connect the telescope?

      A: Skywatcher T mount MFR# S20301 plus Celestron camera adapter MFR# 93625.

      Q: 4. Can I use a 2" dielectric star diagonal mirror with the Vixen SD 81S or Vixen SD 103S? Thanks

      A: The Vixen Optics SD103S 103mm f/8 ED APO Refractor Telescope (OTA Only) BH #VISD103S • MFR #ES26147 was only designed foe 1.25"

      Q: 5. what size filters does this scope use?

      A: This Scope takes 1.25" Eyepieces. So 1.25" Filters will work on those Eyepieces.

      Q: 6. What are some good equatorial mounts to use with the Tele Cue TV 85 for astrophotography?

      A: Here are a few good options for EQ mounts: You would need a plate such as this: https://bhpho.to/2SgDhkN And a mount such as these: https://bhpho.to/2GghxmN https://bhpho.to/2HOsrk8

      Q: 7. Can this telescope be mounted on a Sky-Watcher Star Adventurer GTI Mount ?

      A: The Sky-Watcher Evostar ED APO 72mm f/5.8 Refractor Guidescope (OTA Only), will mount onto the Sky-Watcher Star Adventurer GTI Mount using a V-style dovetail,

      Q: 8. What accessories do I need to connect my CANON 80D with EF-S lens mount?

      A: Sky-Watcher S20300 M48 Camera Adaptor for Canon BH #SKCAC • MFR #S20300 https://www.bhphotovideo.com/c/product/759386-REG/Sky_Watcher_S20300_S20300_Camera_Adaptor_for.html

      Q: 9. I have a approximately 2003 version of the Celestron CGE 1100 with computerized mount. Will the Esprit 80 mm scope fit onto this mount?

      A: Unfortunately your mount will not work with this scope. You would need a Altazimuth Mount. A nice Motorized Mount you could do is the Sky-Watcher AllView Mount. Website link: http://bhpho.to/1HZzX1D

      Q: 10. In your preview of the telescope were four pictures of what the telescope sees. What do I need to do to see things that clear. What do I need to be able to photograph what I see thru the telescope eyepiece?

      A: Pictures like the ones you see are taken with camera attached directly to the Optical Tube Assembly (the telescope without diagonal or eyepiece). To do this with the EVO72, these are the devices you would need: BH# SKE72EDRCA, SKFRFP80 and the correct SkyWatcher M48 adapter for either Nikon, Canon or Sony E mount camera.