Vixen

Vixen VSD90SS Telescope Optical Tube Assembly (OTA)

VX26131

$8,695.00
/
Tax included. Shipping calculated at checkout.
  • In store:
  • In stock at supplier, allow 5+ days
  • Special order, allow 5+ days
  • Out of stock at supplier, enquire with store

Available now instead

The Vixen VSD90SS Telescope Optical Tube Assembly (OTA) is out of stock at every supplier we deal with. These are in stock or available to order now.

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Indent order. Ordered in for you from our supplier and paid in full (100%) at order. The expected date is the supplier's estimate and can move; we'll email you if it changes. Indent orders can't be returned for change of mind, and a cancellation is refunded less any costs already incurred. See our Payment, Deposits and Orders and Refunds policies. Your consumer guarantee rights are not affected.

The Vixen VSD90SS Optical Tube Assembly is a five-element astrograph with a fast focal ratio, using two SD lenses and one high-index ED lens. It produces sharp, well-corrected star images across the full field, even with full-frame and larger sensors.

Key Features

  • Sharp, beautiful star images across the entire large-format image field
  • Engineered to consistently produce sharp, beautiful star images
  • Fully illuminated image circle with virtually no vignetting
  • Smooth light distribution produces beautiful star images
  • Flat imaging field!, 96.7% Strehl ratio!, Great visual observing!
  • Large, Versatile Focuser
  • Precision Drawtube Lock Lever
  • Compatible with Motorized Focusers

Specifications

  • Objective Design / Effective Aperture: Five-group five-element SD Apochromat, AS coatings / 90mm
  • Focal Length (Focal Ratio): 495mm (F5.5)
  • Resolving Power・Limiting Magnitude: 1.29 arc seconds・11.5
  • Light Gathering Power: 165X unaided eye
  • Image Circle: 60mmφ(Over 90% illumination at the round edge)
  • Optical Tube Size・Weight: 115mm dia. X 600mm long (476mm long for storage), 4.3kg
  • Finderscope: Not included, 7X50mm Finder with illuminated reticle, 50mm XY Finder bracket II sold separately
  • Focusing System: Rack-and-pinion
  • Accessory Threads / Size: Threads/ 84mm (pitch 1mm), 60mm (pitch 1.0mm), 42mm for T-ringPush-fit / 60.2mm, 50.8mm, and 31.7mm
  • Eyepiece (31.7mm): Not included, SLV series of eyepieces sold separately
  • Plates and/or Tube Rings: Not included, VSD Tube Ring 115S, Dual Slide Bar sold separately
  • Provided Accessories: VSD60.2 to 50.8 Adapter, 2mm and 1.5mm Allen wrenches
  • Photography: Eyepiece Projection, Prime Focus, and Aforcal Imaging with a smartphone are possible, *2
  • Solar Observation: Using Sun projection screen Set B sold separately (Short-time observing is recommendable)*2

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