153mm f4 Carbon Newton

$699.00

BRAND NEW! Carbon Newtonian for low weight mounts that are used for astro imaging, eg. EQ5.

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SKU: 10 Category:

Product Description

Low weight Carbon tube Photograph Newtonian for astro imaging with mounts eg. EQ5. Tripod is not included in price.

Tehnical details

  • Diameter:6″ (153mm)
  • Focal ratio: F4
  • Weight(including handle, dovetail and rings): 3.8kg (8.3lb)
  • Focuser: 10:1 dual speed focuser
  • back focus: 65mm (+-5mm)
  • secondary size: 64mm
  • PV of the primary mirror: < 1/10λ (Surface PV)

Shipping

  • Fast shipping: we will choose DHL, UPS, TNT, EMS etc to deliver it. Usually you will get your package in one week. We provide free fast shipping for order above $300 or charge extra $20 for order below $300.
  • Free air mail shipping: we will ship via DGM or China Post Registered Air Mail. It usually costs 2-3 weeks to reach US or Europe and costs 3-4 weeks to reach far places.
  • Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
  • Customers from Russia need to provide the name of your company.

Tracking site:

DGM: http://webtrack.dhlglobalmail.com/?locale=en-US

China air mail: http://www.17track.net/en

Tax

  • The price list on our website is USD without tax.
  • Please note that buyers areliable to pay tax involved, such as Import tax, VAT , customs handling fee, etc. The additional fees may be collected at time of delivery by courier.
  • For best local service we advise customers buy our cameras form local dealers.

Warranty and Return Policy

  • We provide 2-year warranty for our products, we will offer the repair service for free or replace for free if the camera doesn’t work within warranty period. After the warranty period, we will continue to provide repair support and service on a charged basis.
  • This warranty does not apply to damage that occurred as a result of abuse or misuse, or caused by a fall or any other transportation failures after purchase.
  • Customer must pay for shipping when shipping the camera back for repair or replacement
  • If you get a faulty camera, please contact us as soon as possible though email: info@zwoptical.com. Please describe the problem in detail and we will do our best to help you solve the problem. Most instances perceived problems are simply bad driver install or software configuration.
  • For customers who bought the camera from our dealer, dealer is responsible for the customer service for you.

Do you have uestion, answer or comment? Post here!

  1. :

    Is this a Maksutov-Newtonian? If no, will there be a coma corrector?

    • Sam Wen

      :

      no, you can use many coma corrector available on market for newtonian

  2. :

    What is the length of the OTA?

    • Sam Wen

      :

      it’s 600mm long

  3. :

    What size is the focuser?

    • Sam Wen

      :

      it’s 2″ focuser

  4. :

    Hi there,

    A few questions that are no where to be found and that are important in making a purchasing decision:

    1) What material is the primary mirror made out of?
    2) What is the thickness of the primary mirror?
    3) What material is the secondary mirror made out of?
    4) Does the primary mirror have a cooling fan?
    5) Is the OTA baffled?
    6) How much weight can the focuser handle?

    Thank you!

    • Sam Wen

      :

      1) What material is the primary mirror made out of?
      the primary mirror is made of BK7 glass
      2) What is the thickness of the primary mirror?
      around 20mm
      3) What material is the secondary mirror made out of?
      BK7 glass
      4) Does the primary mirror have a cooling fan?
      no
      5) Is the OTA baffled?
      no
      6) How much weight can the focuser handle?
      you can adjust it, max weight should be around 2kg

  5. :

    You can view the interferogram of the main mirror ?

    • Sam Wen

      :

      sorry, there is no such data

  6. :

    What would be the best camera of yours to use with this scope for deepsky imaging.

    • Sam Wen

      :

      ASI1600 is the best

  7. :

    Can you tell us the inner and outer diameter of the tubus? What is the height of the focuser?

    • Sam Wen

      :

      177mm and 180mm
      the height of focuser is 40mm

  8. :

    I want to replace the secondary mirror at least 51 mm. I will not be truncated aperture?

    • Sam Wen

      :

      that’s not big enough for a DSLR

  9. :

    Hello Sam,
    What is the size of 100% illuminated imaging circle for this scope?

    • Sam Wen

      :

      the 100% illuminated imaging circle is around 20mm

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