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Two-lens apochromatic refractor with extra-low dispersion optics. Aperture: 72mm. Focal length: 432mm

Refractor
Optical design
2.8
Aperture – the diameter of the light-collecting lens or mirror that the telescope uses to collect light
17
Focal length – the distance from the primary lens or mirror to the point at which the light is focused
Availability

Product ID 50953
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555002545
Package size (LxWxH) 16.1x11.8x8.3 in
Shipping Weight 9.7 lb
Description

Levenhuk Ra R72 ED Doublet OTA is a convenient optical instrument. This telescope main purpose is astrophotography, but it is also well suited for space visual observation, including the planets of the solar system and a diversity of deep sky objects. It renders a contrasting image, enables observing even dim stars, and provides a good view. While this optical tube is quite compact and lightweight. This is an advantage on long journeys.

This Optical Tube Assembly (OTA) is an apochromatic refractor with extra-low dispersion optics. It suppresses chromatic aberrations, especially secondary and spherochromatism. The objective fully reveals all of the capabilities of the aperture, creates a picture in high resolution, and allows you to view the fine details of astronomical objects. The optical tube mechanics are precisely calibrated and work flawlessly, thereby allowing you to fully concentrate on observations. Due to the 2'' dual-speed Crayford focuser, you can adjust sharpness very smoothly.

The tube body is made of aluminum with a high-quality blackening. The quick-release thumbscrew allows for installing this OTA on most modern mounts. The kit includes a robust aluminum case for stage and transportation.

Please note: Mount, tripod, and optical accessories are not included.

Features:

  • Apochromatic refractor with extra-low dispersion optics
  • Fully multi-coated optics and a wide field of view
  • Well-balanced chromatic distortion and high contrast
  • Dual-speed Crayford focuser for precise sharpness adjustments
  • Great instrument for photographing and observing
  • Compatible with 2'' accessories

The kit includes:

  • Telescope optical tube
  • Cleaning wipe
  • Aluminum case
  • Protective caps
  • User manual and lifetime warranty
specifications
Product ID 50953
Brand Levenhuk, Inc., USA
Warranty lifetime
EAN 5905555002545
Package size (LxWxH) 16.1x11.8x8.3 in
Shipping Weight 9.7 lb
Optical design refractor
Optical scheme apochromat
Optics material ED
Optics coating fully multi-coated
Objective lens diameter (aperture), in 2.8
Focal length, in 17
Highest practical power, x 144
Aperture ratio f/6
Resolution threshold, arcseconds 1.61
Limiting stellar magnitude 11.39
Focuser 2", Crayford, dual-speed
Telescope control manual
Optical tube mounting mode quick-release 1/4" thumbscrew
Optical tube material anodized aluminum
User level experienced users, professionals
Assembly and installation difficulty level easy
Observed object planets of the Solar System
Pouch/case/bag in set case
Questions and Answers
Linda Jones (2017.02.12)
Can I order the Levenhuk Ra R72 ED Doublet OTA?
Customer service:
Levenhuk Ra R72 ED Doublet OTA is out of production. All available OTAs can be found in this section – https://www.levenhuk.com/catalogue/telescopes/levenhuk/levenhuk-ra/ .
Greg Adams (2015.04.22)
Hi! Can I use Meade HD-60 6.5mm eyepiece with this tube (with 2"-1.25" adapter)? I want to observe planets in detail, will produced image quality be good for this purpose? Is it possible to observe deep sky objects with this tube?
Customer service:
Yes, you can use this eyepiece with Levenhuk Ra R72 ED Doublet OTA. This optical tube is more suitable for planetary observations.
Jared S (2015.03.20)
What size telescope rings does this scope need for mounting? Thanks
Customer service:
Dear Jared, thank you for your inquiry.
The OTA comes with a tube-mount assembly system - quick-release thumbscrew.
This scope is currently out of stock.
Is there any additional information you might need?
Gregory (2014.09.08)
It's September already, is this tube gonna be in stock any time soon?
Customer service:
Unfortunately the supply of Levenhuk Ra R72 ED Doublet optical tubes has been delayed and it's not going to be in stock in the nearest future.
ivan Harvey (2014.06.24)
Hi! Tell me please, when will this spotting scope be available for purchase? Do you have international delivery service?
Customer service:
Yes, we provide our customers with international shipping service! Levenhuk Ra R72 ED Doublet OTA approximately will be available in September.
Danielle (2014.05.12)
Is this OTA available at the moment?
Customer service:
Unfortunately, this model is currently not available. Please, take a look at Levenhuk Ra R80 ED Doublet OTA - http://www.levenhuk.com/catalogue/telescopes/levenhuk-ra-r80-ed-doublet-ota/
Kyle Wyatt (2013.11.26)
Oh boy I can't tell how thrilled I am with this mini telescope! I finally got it! It can do EVERYTHING! It's like.. as different as chalk and cheese as compared to SC and reflectors! Absolutely pure and clear image. chromatic aberrations appear only when the magnification is critical ( it keeps 185x easily)/ I recommend it to everybody. better than this tube can be only the same apochromat but with larger aperture. That's it - no more hideous mirror-lens telescopes!
Customer service:
Thank you for your feedback on Levenhuk Ra R72 ED Doublet OTA!
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