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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

$ 2,150.00 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.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each 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 movement
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...

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*All prices include VAT plus shipping costs.

show more...
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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