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Sharpstar 20032PNT 200mm f/3.2 Superfast Paraboloid Newtonian OTA

Sharpstar 20032PNT 200mm f/3.2 Superfast Paraboloid Newtonian OTA
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Price:  £2,469.00(Inc. 20% VAT)Earn 2,469 Loyalty Points
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Model:  SHS-2032PNT
Brand:  Sharpstar

Availability:  

  

Generally In Stock, Please Confirm Before Ordering



2 Year Warranty On All New Items
(Excluding Batteries & Globes)



Since the birth of Sharpstar 20032PNT, an extremely-fast parabolic Newtonian reflective astrograph, customers now have a better option for their astrophotoraphic activities. The 20032PNT is designed with a 200mm f/3.2 parabolic primary mirror, a 90mm-minor-axis flatten secondary mirror, a 3" four-element 0.85×coma corrector, which can reduce the original focal ratio to an amazing f/3.2. It comes second to none when compared with other domestic competitors. The main tube is solidly and durably made of carbon fiber material, which is also stunning and lightweight. The mirrors are made from Pyrex-alike material, more stable than traditional reflective glass.

Both mirrors are applied with advanced aluminum coatings, which ensure the practical reflectivity up to 96%. The integrated strut supporting the secondary mirror is rigorously constructed. The spikes will not be easily distorted or bent during the use. The 3" rack-and-pinion focuser, with its heavy-duty design makes sure the accessories firmly attached onto it will not slip away.

All the connecting components are made from CNC manufactured aluminum. The artistically pierced tube rings and the neat-looking handle together with the upgraded mechanical performance can further satisfy the astronomy enthusiasts.

There is a four-element corrector laid in the optical path, an essential part in the whole optical system to guarantee sophisticated full-frame imaging and excellent vignette control. The focuser is tapped with M54×0.75 thread and designed with standard 55mm back focus, user-friendly for customers to attach most stock imaging devices. When thread on a M54-to-M48 adapter ring(standard), the back-focus is 52mm.

Specification:
Type:20030PNT
Aperture size:200mm
Focal length:760mm
Focal ratio:f/3.8
Primary mirror material:PZ33(similar to Pyrex glass)
Corrector:four-element air-spaced lens structure
Reduction factor of corrector:0.85×
Focal length after using corrector:640mm
Focal ratio after using corrector:f/3.2
Minor axis:90mm
Image circle:44mm
Field of view:3.76°(full frame)
Tube material:carbon fiber
Tube outer diameter:280.5mm
Tube length:633mm
Net weight:8kg
Gross weight:9.46kg(including the dust cap, tube rings, handle and wide dovetail plate)
Resolution:0.6 arc seconds
Focuser:3" focuser with fine adjustment
Limiting visual magnitude:13.2
Back focus:55mm(starting from the base of M54 thread on the housing)


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Some items that are showing as in stock are in stock at our holding warehouses, not at the shop. To double check the stock levels at the shop, please contact us on 01909774369 or sales@rothervalleyoptics.co.uk.

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Rother Valley Optics

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sales@rothervalleyoptics.co.uk

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Rother Valley Optics Ltd is registered in England and Wales 04762707. Registered Office: 21 Station Road, Kiveton Park, Rotherham, S26 6QP. Rother Valley Optics Ltd acts as a credit broker only. Rother Valley Optics Ltd are authorised and regulated by the Financial Conducts Authority. Credit provided subject to age and status..

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- - - Rother Valley Optics Ltd

01909 774 369
sales@rothervalleyoptics.co.uk