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Astronomy > Telescopes > William Optics > Gran Turismo > William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
Product no.: 77771

Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA

$ 2,080.00 incl. VAT plus shipping costs
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Product description

More about the series Gran Turismo...

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)
81
Focal length (mm)
478
Aperture ratio (f/)
5,9
Resolving capacity
1,70
Limit value (mag)
11,3
Light gathering capacity
130
Max. useful magnification
162
Tube weight (kg)
3,9
Carrying length (mm)
390
Tube length (mm)
460
Coating
SMC multi-coating
Stray light baffles in the OTA
yes
lens design
Triplet

Focuser

Type of build
Helical
Connection ( to eyepiece)
2 (RotoLock)
Free aperture (mm)
64
Motorized
no
Ring clamp
yes
Gear reduction
1:10 fine focusing
Connecting thread (telescope side)
M92 / M63

Mount

Type of build
OTA
Mounting type
no mount

Included accessories

Finder scope
no
Dew Shield
yes
Deviating optics
no
Prism rail
Vixen-Style
Miscellaneous
Bahtinov focus mask
Carrying handle
yes
Carry case
yes

General

Series
Gran Turismo
Colour
red

Area of application

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

Recommended for

Beginners
no
Advanced
yes
Observatories
no
show more...

Product safety

manufacturer: William Optics Co. Ltd, TW, [email protected]
resp_person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]
Product safety

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*All prices include VAT plus shipping costs.

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William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
William Optics Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA

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