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Telescopen > Officina Stellare > RH Veloce > Officina Stellare Riccardi-Honders RH 250/1400 AT f/5.6 OTA
Artikelnummer: 57350

Riccardi-Honders RH 250/1400 AT f/5.6 OTA

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Productomschrijving

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Overview of the RH Veloce Telescopes:

The RH Veloce is a really unique design, and uses several unique solutions, created by Riccardi and Honders. The RH Veloce uses a double front lens that is weakly convergent, and the primary mirror is a Mangin mirror (from the name of its French inventor). A Mangin mirror is a mirror that is coated on the back surface, not on the front. The light passes through the glass, is reflected by the coating and then passes again through the glass. For this reason, a Mangin mirror is called a refractive-reflective optical element, and opens exciting possibilities to optical engineers. This complex design includes also a corrector group before the focal plane, achieving performances impossible otherwise, with extraordinary fast photographic performances over wide focal planes.

A curiosity about the RH Veloce: since the double frontal lens is convergent, the Mangin mirror is smaller than the nominal diameter of the scope, while the meniscus itself is bigger than the nominal diameter, to ensure a good illumination over the wide field of view of such scopes. For example, the 200 mm model has a 220 mm meniscus and a 190 mm primary mirror. The secondary mirror is a separated piece of glass, or it is made coating the middle of the meniscus, depending on model.

The RH Veloce frontal lens is made in Germany under Officina Stellare specifications.

Veloce in Italian means fast, to indicate its primary vocation: to be a great astrograph capable of stunning performance.

A big evolution step of the iconic Veloce RH200 AT: You can now expect an even better large field photographic performance thanks to an innovative light baffles coating. It will give you a much better reduction of ghosts and scattered light.

RH250 is a special version respect rest of Veloce series. It’s not f/3 open, but f/5.6. Because this telescope was designed for a scientific project and its performance were so good Officina Stellare decided to put into production. Only consider stars with 3.6 micron spot size not on axis, but on field edge: this gives you the measure on how much powerful this telescope is.

Standard configuration:

  • Special, thermo compensated material, close tube design
  • Carbon fibre light shield
  • Unique and innovative cells design and exclusive double stage splitted internal light baffle
  • Full corrected and illuminated field: 60 Millimeter
  • back tip-tilt plate
  • easy collimation system
  • two Losmandy dovetail
  • Cap cover

If you are looking for an amazing detailed optic, RH250 is your choice.

Specificaties

Optiek


Type
Reflector
Ontwerp
Riccardi-Honders
Brandpuntsafstand (mm)
1400
Openingsverhouding (f/)
5,6
Opening (mm)
250
Buis gewicht (kg)
18
Buislengte (mm)
630
Buisdiameter (mm)
318
Resolutie
0,46
Grenswaarde (mag)
13,8
Lichtopbrengst
1280
Max. nuttige vergroting
500
Buismateriaal
Carbon
Buis constructie
Full tube

Reflector


Obstructie vangspiegel
52
Hoofdspiegel diameter (mm)
225
Hoofdspiegel ventilatie
ja

Focuser


Backfocus (mm)
200
Ontwerp
FF72

Montering


Ontwerp
OTA
Type montering
zonder montering

Inbegrepen accessoires


Dauwkap
ja
Transportkoffers
nee
Zwaluwstaart
Losmandy-Style
Buisringen
ja
Corrector
geïntegreerd

Algemeen


Serie
RH Veloce
Totaal gewicht (kg)
20

Toepassing


Astrofotografie
ja
Maan & Planeten
ja
Natuurobservatie
nee
Nevels & sterrenstelsels
ja
Zon
nee

Aanbevolen voor


Beginners
nee
Gevorderd
ja
Observatoria
ja

Productveiligheid

Fabrikant: Officina Stellare srl, Via della Tecnica, 87/89, 36030 Sarcedo (VI), www.officinastellare.com

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Officina Stellare Riccardi-Honders RH 250/1400 AT f/5.6 OTA

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