Officina Stellare 800mm f/5 RiLA Astrograph - Standard Optics Aluminum-Carbon Tube - Discontinued

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Officina Stellare 800mm f/5 RiLA Astrograph - Standard Optics Aluminum-Carbon Tube - Discontinued


Officina Stellare 800 RiLA Astrograph

with Low Expansion Optics and Aluminum-Carbon Truss

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.

One of the reasons Officina Stellare is so popular today is because they listen to their customers. In fact, the RiLA series of astrographs was created because customers asked for a fast telescope with a very wide, corrected field of view. They wanted something that didn't weigh a ton, but that would accept all of the imagers, rotators, focusers, guiders, and other equipment that makes up the imaging train used by today's astronomer.

Once Officina Stellare decided they would make this dream telescope a reality, they put Italian optical designer, Massimo Riccardi, on the job. Riccardi wanted to create a telescope that had the following characteristics:

  • It had to be a fast system.
  • The design needed to be compact and lightweight for its aperture.
  • It would have the least number of surfaces possible while still producing a large corrected field.
  • The secondary obstruction would be as small as possible.

These features were made a reality and then some with the creation of the Officina Stellare RiLA (Riccardi Large Astrograph) Series. The design, which is a modification of the Harmer-Wynne, has an aspherical primary and a spherical secondary. A special corrector is placed just before focus. The RiLA is corrected in the visible near IR range, with more than 80% of its energy focused in a 4-6 micron RMS spot.

The Officina Stellare 800 RiLA Astrograph has a huge 32" aperture and a fast focal ratio of f/5. The low expansion optics are housed in an aluminum carbon fiber truss tube, and there are 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. The mirrors can be heated to keep dew at bay, and depending on the package or accessories you choose, most everything can be electronically controlled via the TC-1.


Officina Stellare 800mm f/5 RiLA Highlights’?????????


  • Aperture: 800mm (32")
  • Glass: Low Expansion Borosilicate
  • Focal Ratio: f/5
  • Focal Length: 4000mm
  • Linear Field: 105mm
  • Full Field: 1.5???
  • RMS Spot Size 52mm off-axis: 3.7 microns (diffraction limited across full field)
  • Back Focus: 420mm
  • Obstruction: 51%
  • OTA: Carbon Fiber/Aluminum truss for thermal stability and light weight.
  • Easy Alignment: Specially designed mirror cells and spherical secondary are easy to align.
  • Small Spot Size: For wide field, high resolution images.


This RiLA Package Includes’?????????


  • 32" Astrograph in Aluminum-Carbon Truss Design
  • Two Losmandy-Style Dovetails
  • Three Ventilation Fans
  • Mirror Heating
  • Manual Control on Both Mirrors
  • Manual Movement of Secondary Mirror
  • Black Fabric Shroud
  • Caps/Covers


ManufacturerOfficina Stellare


Ask a Question

    The manufacturer lists the weight of the RiLA 800 f/5 at 220kg (485 lbs). The only off-the shelf mounts that has the capacity for this are the ASA DDM160 (300 kg capacity) and the Mathis Instruments MI-1000 (500 lb capacity), but there are other options

  • What is the weight of the 800mm f/5 OTA and which mount do you recomend for it?

    According to Officina Stellare, the weight of the RiLA 800 f/5 is approximately 230kg (~507 lbs). Most customers go with a custom mount from Officina Stellare for a scope this large, although the ASA DDM160 is another option with a 300kg capacity.