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William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA

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William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA Product Info

William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA on sale and available from our online store. OpticsPlanet, Inc imageis an Authorized US Distributor for William Optics Telescopes.

ZenithStar 110mm, 770mm Triplet ED APO F/7, with 2.5" 2 speed focuser, TMB designed with Triplet Air Spaced and Custom Aluminum Carrying Case. 2" extender included


Specifications of William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA:
Aperture 110mm
Focal Ratio F/7
Focal Length 770mm
Objective Type Triplet APO Design, Air Spaced, TMB Design, STM Fully Multi-Coated
Resolving Power 1.05"
Limiting Magnitude 12.0
Lens Shade Retractable
Focuser 2.5" (63.5mm) Crayford Focuser
77mm (3.0") Focuser Travel Length
360° Rotatable Design, 1:10 Dual Speed
1.25" Adapter Brass Compression Rings
L- type Mount Mounting Rings
Field Stops 6 Baffles
Dew Shield O.D. 5.3" (135mm)
Tube Diameter 4.5" (114mm)
Tube Length 22.8" (580mm) Fully Retracted
25.6" (650mm) Fully Extended
Tube Weight 9.5lbs. (4.3kg) OTA
Case High Quality Aluminum Case
Case Dimensions
(WxHxD) 		28" x 9.1" x 8.9"
(70cm x 24cm x 22cm)
(Total interior length 630mm)
Case Weight 8.1lbs. (3.7kg)

Specifications For Apochromatic Lenses

1. Optical component surface finish
• Dimensions of scratches and points shall not exceed the following values: Scratches Width, not more than 0.04mm, Total length,mm, not more than 3mm. Points Diameter no more than 0.4mm, quantity no more than 0.5 clear aperture. Accumulation of defects Diameter of a limited area, 5mm, total area of scratched and points no more, square mm 1

• The total scratch length and the point quantity that are close on width and diameter to the maximum permissible shall not exceed the following values:
Scratches Width, 0.02 mm Total length, mm, not more than 2mm.Points Diameter, mm 0.3 Quantity, no more than 0.2 clear aperture.

• Scratches and points with the following dimensions are disregarded:
Scratch width, not more, 0.004 mm
Point diameter, not more, 0.01 mm

2. Anti-reflection coating requirements
• Non-uniformity of coating interference coloration, which doesn't degrade characteristics of coating optical parameters and doesn't affect output characteristics of a lens, is permissible on anti-reflection surfaces of optical elements.

3. Bubbles and inclusions requirements
• Permissible dimensions of bubbles and inclusions:
In lens material bubbles and inclusions of no more than 0.3mm in size are allowable , and a number of bubbles of diameter 0.03mm to 0.3mm in each lens shall not exceed 3 pieces. These do not affect in any way optical performance.

>>Top
· Chromatic Aberration Graph
· Specifications For Apochromatic Lenses


Features of William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA:
This is William Optics NEW triplet AIR-SPACED, TMB designed 110mm ZenithStar refractor.
This beautiful scope is everything you always wanted in a refractor, starting from extreme sharpness for clear details, and APO color correction.

It has all the benefits of the ZenithStar family at a price that is truly unbelievable.

Optically Unbeatable
• Triplet air-spaced objective, TMB designed.
• Extremely sharp.
• Excellent color correction.
• STM coatings, for improved performance.

Fully Baffled
• Properly baffled.
• FMC on all surfaces.
• Value package with Dielectric Diagonal, Red Dot Finder and Mounting rings available for the bargain hunters!

Crayford Focuser
• Extra-smooth 360 deg. rotatable 2.5" Crayford focuser with 1:10 dual speed:  a treat to use during astrophotography. No image shifting!
• Heavy duty: perfect for your accessories.
• Adjustable tension
• Drawtube locking screw.

Do-all Instrument
• Despite its 110 mm objective, the scope is still very compact and solid. Many airlines will accept it as carry-on luggage!
• Perfect size for serious observations of deep sky objects and planets. Solar observations possible with proper additional equipment.

Superior Fit & Finish
• Graduated scale for precision focus alignment.
• William Optics fit and finish: aluminum tube, retractable dewshield, anodized rotating crayford focuser, golden finish and dewshield cap.
• Top quality anodizing.

Attention to Details
• High-precision CNC machined lens cell.
• Laser engraved logo and specifications on the lens cell.
• Large aluminum knobs for easier grip.

Total Quality Package
• 1.25" adapter included with brass anti-marring compression ring.
• Attractive package with WO accessories available.

Aluminum Case
• Each telescope is shipped properly packed into e practical and safe aluminum case.
• Optional mounting rings available.
• Though you will never need it, you have a 2-year warranty from WO, adn the certainty that we will be there to assist you even beyond that, if you need.

Package Contents:

  • 110mm ZenithStar ED APO Triplet Telescope OTA Only

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William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA Comments

William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
William Optics 110mm ZenithStar ED APO Triplet Telescope OTA Only ZS110-OTA
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