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New, 2012 Limited Edition, in stock!
William Optics ZenithStar 70mm ED Doublet F/6 APO is a true multi-purpose tube assembly
with a special FREE BONUS Offer of a Field Flattener III (A $199 Value) at no charge!

Astrophotography super-apo !
!

2012 William Optics ZenithStar 70mm ED Doublet F/6 APO is a true multi-purpose tube assembly. Aperture 70 mm
Focal Ratio F/6 (F/4.8 with Optionalﾠ new Fieldﾠ Flat III)
Focal Length 420 mm
Excellent mechanics, fit and finish, latest WO Rack & Pinion 2-speed fine focuser, aluminum knob protection cover and super-high transmission multi-coating.
It's fast focal ratio makes it your ideal travelling set-up for astrophotography, piggybacking or as a spotting scope.


Just arrived!
2012 William Optics ZenithStar 70mm ED Doublet F/6 APO is a true multi-purpose tube assembly.

Excellent mechanics, fit and finish, latest WO Rack & Pinion 2-speed fine focuser, aluminum knob protection cover and super-high transmission multi-coating.

It'''s fast focal ratio makes it your ideal travelling set-up for astrophotography, piggybacking or as a spotting scope.

Lens Design

ED glass (Japanese imported Ohara glass) doublet air-spaced, in CNC machined ultra-high precision lens cell.
Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
Low C.A.

Fully baffled to block all extraneous off-axis light rays and prevent glancing reflections, increasing overall contrast.
70 mm clear aperture and F/6 focal ratio.
Nothing Left to Chance


Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube
Drawtube travel length 72 mm with graduated scale.
Retractable dewshield, smallest size ever and enhanced portability!
Super Portable

Retractable dewshield, smallest size ever and enhanced portability!
SCT thread adapter to 1.25'' eyepieces with anti-marring brass compression ring.
Can mount a WO 2'' SCT star diagonal for 2'' accessorie usage.


Perfect fit for new WO OptionlalField Flattener Flat III.


Astrophotography super-apo

Fast focal ratio for bright, high-quality astro-imaging.
Dedicated field reducer/flattener available which will provide flat field performance at F4.8.
Perfect for piggybacking as a guide scope.!
Wonderful WO Microfocuser

William Optics new rotatable Rack & Pinion focuser, smooth and precise, ideal during astrophotography.
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.

Aperture 70 mm
Focal Ratio F/6 (F/4.8 with new FlatIII)
Focal Length 420 mm
Objective Type Doublet, Air Spaced,
Fully Multi-Coated, SMC coating.
Resolving Power 1.6"
Limiting Magnitude 11
Lens Shade Retractable
Focuser 1.25" new R&P Focuser
with 1:10 Dual Speed microfocuser
72 mm Focuser Travel Length
360ﾰ Rotatable Design

L-type Mount L Bracket
Field Stops 2 Baffles
Tube Diameter 76 mm (dewshield 96mm)
Tube Length 330 mm Fully Retracted
400 mm Fully Extended
Tube Weight 4.8 lbs. (2.2 kg)


SPECIAL Introductory OFFER! Buy the 2012 William Optics Zenistar ED doublet f6 APO, and we will include as a bonus, FREE of Charge  the NEW Field Flat III (A $199 Value) at no charge!

Only $575! ﾠTo order Toll Free Call 1 800 580 7160 or Local 416 783 4140.
Please note, this is instrument is available in limited quantities, once they are gone, they're gone!

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 WIN  a FREE Home planetarium system!


 
Khan Scope Centre
website:  http://www.khanscope.com

Local  : 416 783 4140
Toll Free Line: 1 800 580 7160

Fax: 416 352 1701

Retail Store:
3243 Dufferin Street
Toronto, Ontario. Canada
M6A-2T2

We are Open 7 days a week-

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