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William Optics UltraCat WIFD
Telescopes

William Optics UltraCat WIFD

The William Optics UltraCat WIFD telescope is a refractor featuring a 108 mm apochromatic lens with a 500 mm focal length. Its 5-element Petzval design corrects field curvature to produce flat-field...

The William Optics UltraCat WIFD telescope is a refractor featuring a 108 mm apochromatic lens with a 500 mm focal length. Its 5-element Petzval design corrects field curvature to produce flat-field images without an additional field flattener. The f/4.8 focal ratio is suited to astrophotography, while the 60 mm image circle supports full-frame and...

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  • Item

    Dioptric

    They use a lens that refracts light and focuses it at the back end.
  • Lens Diameter 108 mm

  • Focal Length

    It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

    The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.
  • Mount Type Equator
4500 00 €
Delivery Fri, 27 Nov - Thu, 03 Dec
14,00 €   shipping cost
Sent from Greece
From Telescopium Athens
Greece
See Leisure on the page of Telescopium Athens

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Description & Specifications

The William Optics UltraCat WIFD telescope is a refractor featuring a 108 mm apochromatic lens with a 500 mm focal length. Its 5-element Petzval design corrects field curvature to produce flat-field images without an additional field flattener. The f/4.8 focal ratio is suited to astrophotography, while the 60 mm image circle supports full-frame and medium-format cameras.

The internal WIFD focuser is designed to maintain stable focus and prevent balance and vignetting issues. The built-in Bahtinov mask makes focusing easier, while sensor-based tilt correction helps reduce distortion. The lens cell minimizes the effects of thermal expansion and contraction, maintaining optical alignment.

  • Type: Refractor
  • Aperture: 108 mm
  • Focal length: 500 mm
  • Optical design: 5-element Petzval
  • Focal ratio: f/4.8
  • Image circle: 60 mm
  • Focuser: Internal WIFD
  • Focusing mask: Built-in Bahtinov
  • Tilt correction: Sensor-based
  • Lens cell: Designed to prevent thermal contraction
  • Use: Astrophotography
  • Experience level: Experienced
  • Mount type: Equatorial

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
Dioptric

Type

Dioptric

They use a lens that refracts light and focuses it at the back end.
Lens Diameter
108 mm
Focal Length
500 mm

Focal Length

It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.
Mount Type
Equator

User Level

Beginner
No
Familiar
No
Experienced
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

4.500,00 €
14,00 €   shipping cost