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William Optics ZenithStar 71mm ED Doublet APO Refractor Telescope w/ 2" Focuser - A-Z71A

William Optics   ——   SKU: WIL-A-Z71A
$717.20 CAD
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About the William Optics ZenithStar 71 ED Doublet APO Refractor Telescope w/ 2" Focuser...

Looking for a small-aperture but extremely-portable APO William Optics Telescope at a great price? The latest William Optics ZenithStar 71 ED Doublet APO Refractor Telescope is here to fit all your needs!

 

This William Optics Telescope offers you excellent mechanics, fit and finish, latest WO 2" Rack & Pinion 2-speed fine focuser now are so good that they can replicate the smoothness and lack of backlash normally associated with a Crayford focuser, but with the huge advantage of much increased mechanical strength. When you choose a William Optics ZenithStar 71 ED Doublet APO Refractor Telescope, this is what you can expect...

 

Lens Design

 

-ED glass (Japanese imported Ohara glass) doublet air-spaced, in CNC machined ultra-high precision William Optics Telescope lens cell.

-Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.

 

Low C.A.

 

-This William Optics Telescope is fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.

-71 mm clear aperture and F/5.9 focal ratio.

 

Nothing Left to Chance

 

-Perfect for EAZY-T Alt-Az Mount. You can slide this William Optics Telescope directly into the mount without a dovetail plate if you like.

-Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube

-Drawtube travel length 80 mm with graduated scale.

-Retractable dewshield, smallest size ever and enhanced portability!

-Can mount a WO 2" star diagonal and other 2" accessories.

 

Astrophotography APO

 

-Fast focal ratio for bright, high-quality astrophotography.

-New Flattener Available (optional).

-This William Optics Telescope is perfect for piggybacking as a guide scope!

 

Wonderful WO Microfocuser

 

-William Optics new rotatable Rack & Pinion focuser, smooth and precise, ideal during astrophotography; can be fully locked and will not flex or slip even with a very heavy camera combination.

-Adjustable focuser tension.

-Super-smooth and reliable 1:10 micro focuser for fine focusing during imaging and visual observations alike.

-Aluminum fine knob protection cover is included.

 

Attention to Packaging

 

-The basic package includes the William Optics Telescope OTA only.

-Carry-on size: you do not have to leave this treasure at home!

-Two-year, no fuss warranty and constant customer service!

 

 

William Optics ZenithStar 71 ED Doublet APO Refractor Telescope w/ 2" Focuser Features...

 

  • Fast focal ratio for bright, high-quality astro-imaging

     

     

  • Super-smooth and reliable 1:10 micro focuser for fine focusing during imaging and visual observations

     

     

  • Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast

     

     

  • Drawtube travel length 80 mm with graduated scale

     

     

  • Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces

     

     

  • ED glass (Japanese imported Ohara glass) doublet air-spaced, in CNC machined ultra-high precision lens cell

     

     

  • William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube

 

 

William Optics ZenithStar 71 ED Doublet APO Refractor Telescope w/ 2" Focuser Specifications...

Aperture: 71mm

Focal Ratio: F/5.9

Focal Length: 418 mm

Objective Type: ED Doublet, Air Spaced, Fully Multi-Coated, SMC coating.

Resolving Power: 1.58"

Limiting Magnitude: 11

Lens Shade: Retractable

Focuser: 50.8mm (2") Rack & Pinion Focuser with 1:10 Dual Speed microfocuser

1.25" Adapter: Brass Compression Rings

L-type Mount: Integrated L Bracket (fits SmartEQ mount)

Field Stops: Baffles

Tube Diameter: 93 mm (3.66")

Tube Length: 310 mm Fully Retracted - 355 mm Fully Extended

Tube Weight: 6 lbs. (2.7 kg)

William Optics Product Number: A-Z71A