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Astronomy > Telescopes > Askar > Askar Apochromatic refractor AP 40/180 FMA180PRO OTA
Product no.: 77953

Apochromatic refractor AP 40/180 FMA180PRO OTA

$ 600.00 incl. VAT plus shipping costs
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  • Apochromat for astrophotography
  • Integrated high-quality corrector
  • Ideal for DSLR cameras

Product description

This very compact apochromat from Askar is a true astrograph with a fast f/4.5 focal ratio and integrated flattener/corrector. The objective lens, consisting of three lens elements with two ED glass elements, ensures maximum colour purity. The glass elements are not glued together, but separated by an air gap.

The high-quality corrector, consisting of three elements, is optimally matched. As it is permanently integrated into the tube, it forms a complete optical system with a flat image field, ideal for astrophotography!

The high light intensity of f/4.5 allows short exposure times even in difficult lighting conditions.

Stars are rendered crisply sharp right to the edge. With a working distance of 55 mm from the M48 thread, you can connect all common cameras directly via a bayonet adaptor.

The FMA180 Pro is equipped with a 360° rotator. The focuser is designed as an internal focus, which increases its stability and ensures its suitability as a sensitive, high-quality and compact astrograph.

The Apo is equipped with a Vixen-standard prism rail that fits all common astronomical mounts.

Another feature is the practical viewfinder shoe, which is unfortunately often missing on other apochromats of this size.

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.

Specifications

Optics


Type
Refractor
Type of build
Apochromat
Aperture (mm)
40
Focal length (mm)
180
Aperture ratio (f/)
4,5
Resolving capacity
3,45
Limit value (mag)
9,8
Light gathering capacity
30
Max. useful magnification
80
lens design
Doublet
Tube weight (kg)
0,8
Tube length (mm)
167,5
Fully Corrected Field (mm)
44

Focuser


Type of build
Helical
Connecting threaded socket (camera-side)
M48
Backfocus (mm)
55
Rotating
yes

Mount


Type of build
OTA
Mounting type
no mount

Included accessories


Dew Shield
yes
Deviating optics
no
Corrector
integrated
Prism rail
Vixen-Style
finder base
Vixen/Skywatcher Level
Tube clamps
yes

Area of application


Astrophotography
yes (very good)
Moon & Planets
yes
Nature Observation
yes
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Product safety

Manufacturer: SHARPSTAR OPTICS CO.,LTD, 3/F, No.5 building , Science and Technology Center, No.79 Jin-Sui Road,, 314001 Zhe-Jiang, CN, http://www.sharpstar-optics.com
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]

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*All prices include VAT plus shipping costs.

Askar Apochromatic refractor AP 40/180 FMA180PRO OTA
Dimensions
Askar Apochromatic refractor AP 40/180 FMA180PRO OTA

Example image 1

Askar Apochromatic refractor AP 40/180 FMA180PRO OTA

Example image 2

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