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Telescopes > William Optics > Gran Turismo > William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
Product no.: 54909

Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA

$ 1,020.00 incl. VAT, plus shipping costs
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Product description

More about the series Gran Turismo...

The stunning Gran Turismo 71 Apo is the new jewel of the apochromatic refractor world.

From the pristine white finish on the CNC tube to thje elegant gold trim, this telescope has more than just good looks: The new GT71 features a 3-element objective using high-quality FPL-53 extra low dispersion glass that reduces any secondary spectrum to an unbelievable degree.

2.5" R&P Focuser:

  • Extra-smooth 360 deg. rotatable 2.5" R&P focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting!
  • Comes with two locking screws on angled positions for heavy load applications.
  • Large aluminum knob with installed thermometer.

Simply Beautiful Finish:

  • Powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap
  • Top quality anodizing
  • Very compact for carrying on flights

Specifications

Optics


Type
Refractor
Focal length (mm)
420
Aperture (mm)
71
Aperture ratio (f/)
5,9
Resolving capacity
1,62
Limit value (mag)
11,1
Light gathering capacity
100
Max. useful magnification
142
Tube length (mm)
427
Tube weight (kg)
2,2
tube diameter (mm)
82
Carrying length (mm)
325
Tube construction
Full tube

Focuser


Rotating
yes
Type of build
Gear rack
Connection ( to eyepiece)
2
Gear reduction
1:10 Fine movement
Free aperture (mm)
64

Mount


Mounting type
no mount
Type of build
OTA

Included accessories


Dew Shield
yes
Eyepiece adaptor
1,25" - 2"
Tube clamps
yes
Prism rail
Vixen-Style
finder base
without
Finder scope
without
Carry case
yes
Guide scope rings
yes

General


Series
Gran Turismo
Colour
gold

Recommended for


Beginners
no
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA
William Optics Apochromatic refractor AP 71/420 Gran Turismo GT 71 OTA

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