Mallin Cam

Mallincam VRC-8 - Ritchey Chretien 8" Carbon Fiber Tube! (Pre-owned)

In stock
SKU: USED072203
$1,395.00 CAD
$2,112.00 CAD Sale $1,395.00 CAD
Product details
  • SKU USED072203
Description

In Excellent Condition!

Sold As Is. Optical Tube Only, Mount and accessories not included.

VRC-8
Aperture:  203mm (8")
Focal Length:  1625mm
Focal Ratio:  f/8
Central Obstruction:  95mm (22% of area)
Outside Diameter:  229mm
Overall Length w/Focuser:  560mm
Tube Weight w/ Focuser:  7.45 kg
Focuser:  2" Crayford style 2-speed

The MallinCam VRC-8 optical tubes include a large deluxe 2" Crayford style focuser with 1.25" to 2" adapter included. This high precision dual speed focuser makes it easy to focus and lock the focuser in place. Variable friction adjustment and additional focuser spacer rings are included to allow you to reach focus with any CCD cameras or other optical accessories like diagonals, focal reducers, or Barlows.  The VRC-8 optical tube is fully light baffled, and has Quartz primary mirror and secondary mirrors.  Secondary and primary mirrors can both be collimated. Optics are Dielectric coated with 99% reflectivity! This scope comes complete with a bottom Losmandy mounting dovetail and Vixen style top dovetail for attaching to your mount.

Specifications:
  • Aperture .................................................... 203mm (8”)
  • Focal Length ..................................................1625mm
  • Focal Ratio ............................................................... f/8
  • Optical Type .............................. dual hyperbolic mirror true Ritchey-Chrétien reflector
  • Mirrors .......................... low thermal expansion quartz, 99% reflectivity dielectric multicoatings
  • Secondary Mirror Holder Obstruction .............95mm (47% by diameter, 22% by area)
  • Field Stops .................... ten internal knife-edge baffles
  • Tube Diameter............................... 9.02” (229mm) o. d.
  • Tube Length (without focuser) ................ 18.5” (470mm)
  • Tube Length (with focuser) ....................... 22” (560mm)
  • Mounting System ........ Two 15.5” Losmandy bottom and Vixen-style top dovetail,
  • Focuser ............ removable dual-speed linear Crayford with 10:1 reduction ratio fine focus
  •                             2” and 1.25” compression ring accessory holders
  •                             360° rotating camera angle/observing angle adjuster
  • Focuser Mounting Thread ......... 90mm x 1mm metric
  • Focuser Travel ....................................... 1.97” (50mm)
  • Focuser Extension Rings ....... two 25mm, one 50mm
  • Finder ........ Not Included