Officina Stellare RiDK 400 f/7 Dall Kirkham Telescope

Product Details

• Description
• Specifications
• Included Items
• Recommended Products
• Reviews

• Officina Stellare RiDK 400 Astrograph with 72 mm Manual FineFocuser: Officina Stellare is one of today's leaders in the production of high quality astronomy equipment for the discerning professional or advanced amateur. Their products can be found in observatories around the world, and their high speed tracking lens systems are a relied upon component in the industries of aerospace and defense.

  The RiDK 400 (Riccardi Dall-Kirkham) represents the new reference point for all modified Dall-Kirkham instruments available on the market today. Massimo Riccardi, Chief Optical Designer at Officina Stellare, has the unique experience and creativity required to imagine and build a 400 mm astrograph of superior performance and resulting image quality. The RiDK 400 is a system that delivers a 70 mm fully corrected, flat field and an imaging performance that is diffraction limited across the entire field over a wide spectral range (380 nm to 2000 nm). These outstanding optics are mounted inside a state-of-the art Officina Stellare open truss tube made of aluminum and carbon fiber; the same high quality optical tube assembly used in all Officina Stellare standard open truss-style telescopes the world over.
  
  The Officina Stellare RiDK 400 is manufactured from start to finish in Italy. The optics are made in the Occhiobello Plant under the strict quality control of Massimo Riccardi, Officina's own optical designer. The mechanics of the telescope were designed by Giovanni Dal Lago, and are engineered, manufactured and assembled at the Thiene plant.
  
  The OS RiDK 400 is the ultimate astro-imaging telescope for anyone who desires the best equipment when it comes to the imaging of deep sky wonders. It is a beautiful, compact and perfectly manufactured optical instrument, and the long back focus allows the mounting of rotators, cameras, filter wheels, and other imaging accessories.

  The RiDK 400 mm comes with two Losmandy style dovetails mounted on the truss for mounting versatility. Three ventilation fans are part of the design, which helps the telescope reach ambient temperature as quickly as possible.

• specifications

  Aperture	400 mm (15.75")
  Back Focus	240mm
  Corrected Image Circle	60mm
  Dawes Limit	0.29 arcseconds
  Focal Length	2800 mm
  Focal Ratio	f/7
  Freight	Yes
  Highest Magnification	800x
  Light Gathering Power	3265x
  Limiting Magnitude	16.8
  Optical Design	Dall Kirkham
  RMS Spot Size	5 microns
  Secondary Obstruction	192mm

• included items

  THIS IS A CUSTOM ORDER PRODUCT, ABSOLUTELY NO REFUNDS WILL BE GIVEN AFTER PURCHASE!