William Optics Telescopes Area of application Sun | Series Cat | ASTROSHOP

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Manufacturer

William Optics (6)

Area of application

Sun (6)

Astrophotography (13)

Moon & Planets (13)

Nature Observation (7)

Nebulae & galaxies (13)

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Series

Cat (6)

FluoroStar (1)

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Type

Refractor (6)

Recommended for

Advanced (6)

Type of build

Apochromat (6)

Mounting type

no mount (6)

Aperture

< 70 mm (3)

70 - 90 mm (1)

90 - 114 mm (1)

130 - 150 mm (1)

Focal length

< 500 mm (4)

500 - 750 mm (2)

Tube material

Aluminium (6)

Price

580 - 1,160 $ (2)

1,160 - 2,310 $ (1)

2,310 - 5,780 $ (2)

> 5,780 $ (1)

Availability

in stock (4)

short-term (2)

$William Optics Apochromatic refractor AP 51/250 RedCat WIFD$

William Optics

Apochromatic refractor AP 51/250 RedCat WIFD

$ 1,160.00

ready for shipping in 24 h

$William Optics Apochromatic refractor AP 56/269 UltraCat 56 WIFD$

William Optics

Apochromatic refractor AP 56/269 UltraCat 56 WIFD

$ 1,730.00

ready for shipping in 24 h

$William Optics Apochromatic refractor AP 108/518 UltraCat WIFD$

William Optics

Apochromatic refractor AP 108/518 UltraCat WIFD

$ 4,620.00

ready for shipping in 24 h

$William Optics Apochromatic refractor AP 51/250 SpaceCat WIFD OTA$

William Optics

Apochromatic refractor AP 51/250 SpaceCat WIFD OTA

$ 1,140.00

ready for shipping in 24 h

$William Optics Apochromatic refractor AP 76/365 UltraCat 76 WIFD$

William Optics

Apochromatic refractor AP 76/365 UltraCat 76 WIFD

$ 2,650.00

Product can be shipped as of 30.03.2026

$William Optics Apochromatic refractor AP 131/648 UltraCat WIFD$

William Optics

Apochromatic refractor AP 131/648 UltraCat WIFD

$ 9,100.00

ready for shipping in 3-5 weeks