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Astronomy > Telescopes > Omegon > Pro APO > Omegon Apochromatic refractor Pro APO AP 71/450 Quadruplet OTA
Product no.: 60855

Apochromatic refractor Pro APO AP 71/450 Quadruplet OTA

$ 769.00 incl. VAT plus shipping costs
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Product description

More about the series Pro APO...

Better astrophotos that help you discover the sky in a new way.
What is it that drives astrophotographers time and again? It is the fascination of depicting the sky in its most beautiful colours and shapes. With this apochromat, you can do just that. The premium ED glass and a colour-pure image make for enjoyable observations with fine details that would not be possible with basic optics. Rediscover the sky.

Why these optics reveal more details
No more images without contrast. This apochromat shows what is really possible: pure-colour and high-contrast observations and astrophotos. The key is a sophisticated optical design with premium ED glass for a crystal-clear image. Compared to most mirror systems, the better-defined optics allow you to see more and finer details when observing the planets, for example. All surfaces of the lens elements are treated with an effective multi-coating to prevent reflections. Enjoy memorable observations and shots.

2.5" focuser with gearing and ball bearings
This 2.5" geared focuser is a small spatial miracle, and large enough that no shading occurs. An ingenious hybrid technology comprising a Crayford focuser and a gear wheel makes it particularly strong and suitable for accessories weighing up to 4kg. The ball bearings provide for smooth focusing, allowing you to easily find the perfect focus. A 1:10 reduction gearing makes precise focusing a breeze. Astrophotographers around the world value precisely these features.

360° rotation for framing the perfect photo.
You found the object and focused on it, but with the wrong orientation? Save yourself the trouble of having to start over again at night to align an elongated object with the sensor. This is easy to do in seconds thanks to the 360° rotating focuser.

2" and M63 connection
The focuser has a standard 2" connection with a reduction to 1.25". This allows you to connect all accessories from our range, such as eyepieces and adapters. Additional M63 thread can be used for your full-frame camera or field flattener. This produces a completely illuminated and flat field of view.

CNC tube designed for the best optics
The tube of the Omegon Apo consists of a CNC-machined metal construction with a sophisticated anti-reflective aperture system. The entire tube is lined with a velvet-like, black fabric.

Specifications

Optics


Type
Refractor
Aperture (mm)
71
Focal length (mm)
450
Aperture ratio (f/)
6,3
Resolving capacity
1,6
Limit value (mag)
11,1
Max. useful magnification
142
tube diameter (mm)
80
Tube construction
Full tube
Light gathering capacity
100
Coating
multiple

Focuser


Type of build
Gear rack
Connection ( to eyepiece)
2 (M63x1 male)
Rotating
yes
Gear reduction
1:10 fine focusing
Adjustment range (mm)
54
Ring clamp
yes

Mount


Type of build
OTA
GoTo control
no
Mounting type
no mount

Included accessories


Eyepiece adaptor
1,25" - 2"
Tube clamps
yes
finder base
Vixen/Skywatcher Level
Prism rail
Vixen-Style
Corrector
integrated
Transport cases
no

General


Series
Pro APO
Length (mm)
351
Total weight (kg)
2,5

Area of application


Nature Observation
not recommended
Moon & Planets
yes
Nebulae & galaxies
yes
Astrophotography
yes
Sun
not recommended (Only with appropriate Sun filter)

Recommended for


Beginners
no
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

Omegon Apochromatic refractor Pro APO AP 71/450 Quadruplet OTA
Messier 45, APO 71/450, Canon 6Da, 32x180s, Philipp Keltenich
Omegon Apochromatic refractor Pro APO AP 71/450 Quadruplet OTA
Messier 31, APO 71/450, Canon 6Da, 25x240s, Philipp Keltenich

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