|
Starsky 90500 Astronomical Telescopes
Descriptions:
The optics
The 90-500mm refractor has outstanding optics, a doublet air spaced design and high-quality mechanical components. This is a good telescope provides for astrophotographers, visual observers or nature watchers with a unique source of pleasure when observing starry skies or nature watching.Fitted with achromatic glass for good edge-to-edge viewing,fully multi green coated lens maximise light transmission, this telescope is a great balance of style and quality.
The Focuser
The telescope is equipped with a Crayford style focuser. It belongs to a new generation of drawtubes, which are patent pending. Absolute precision and enormous load bearing capacity are the main advantages of this focuser.
A 1:10 reduction ratio provides you with fine adjustment when focusing, allowing even more precision than with most telescopes.
Carrying case
The Nylon case will include in the package.
The advantages:
All optical surfaces multi-coated
Refined baffle system to prevent reflections
High contrast and sharp images
Light weight for transport
The Features:
Doublet air spaced achromatic design with 90mm aperture and 500mm focal length
2'' focuser
Dovetail mounting plate for GP rail,with ¼” tripod thread
Fully Multi-Green Coated lens
Compact and light weight,easy for transport
Specifications:
Optical Desigh: Doublet air spaced design Achromatic Refractor
Focal Length: 500mm
Diameter:90mm
F/Ratio: F/5.6
Highest Practical Power: 180x
Lens coating:Fully Multi-Green Coated
Retractable Sunshade: Yes
Focuser: 2" Crayford Focuser
Gear reduction(Focuser): 1:10 Fine movement
Area of application: Moon & Planets observation,Astrophotography,Nature observation
Tube Weight: 2.1 Kgs
Tube Dimensions: 41cmx14cm
Tube Rings: Include
Packaging details:
1 x 90500 Astronomical Telescope OTA
Payment:
We only accept PayPal payments .
Payment is expected immediately at auction close.
eBay item number, your full name and shipping address MUST be included in the PayPal payment.
All our items will be shipped to buyer's Paypal address, Please update your address in Paypal before payment.
Shipping and Handling:
We usually arrange shipment within 2 business days of receipt of payments.
Shipping time will be about one month to South American
(Argentina,Brazil,Colombia)
and Russia,and will be 7-20 business days for other countries.
A tracking number will be emailed to buyer at the time of shipment. Feedback:
If you are satisfied with our service,Please give us a 5 star positive feedback,then I will give you a 5 star feedback too
If you are unhappy with the item or our service,please give us a message before leave feedback,negative feedback does not resolve any underlying issues that you may be experiencing as a buyer. Please give us the opportunity to reasonably rectify in a reasonable amount of time, Thank you very much!
Service:
We accept return within 30 days after consumer receive item.
And supply 2 years warranty for this item.
And consumer shall be responsible for the shipping fee.
About Us:
We are Visionking Optical Technology CO., LTD
We are professional optical products supplier,including Binoculars,Monocular,Rifle scope,range finder,night vision,astronomy telescope and many accessories
Our trade mark "visionking" has been registered in EU(European Union)
More information,please click our website
Large orders are welcome,any questions and needs,please send message to us
If you want to be our dealer/distributor,please email us |