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Categories

Telescopes (5)

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Manufacturer

William Optics (5)

Aperture

90 - 114 mm (5)

< 70 mm (7)

70 - 90 mm (11)

114 - 130 mm (3)

130 - 150 mm (3)

150 - 200 mm (3)

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Type

Refractor (5)

recommended for

Advanced (5)

Observatories (1)

Area of application

Astrophotography (5)

Moon & Planets (5)

Nature Observation (2)

Nebulae & galaxies (5)

Sun (2)

Type of build

Apochromat (5)

Mounting type

no mount (5)

Focal length

< 500 mm (2)

500 - 750 mm (3)

Tube material

Aluminium (3)

Price

2,240 - 5,610 $ (5)

Availability

in stock (1)

short-term (3)

long-term (1)

$William Optics Apochromatic refractor AP 91/540 Space Gray OTA$

William Optics

Apochromatic refractor AP 91/540 Space Gray OTA

$ 3,360.00

ready for shipping in 3-5 weeks

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

William Optics

Apochromatic refractor AP 108/518 UltraCat WIFD

$ 4,370.00

Product can be shipped as of 15.07.2025

$William Optics Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA$

William Optics

Apochromatic refractor AP 91/448 BlackCat 91 WIFD OTA

$ 3,700.00

ready for shipping in 24 h

$William Optics Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA$

William Optics

Apochromatic refractor Pleiades 111 AP 111/528 Astrograph OTA

$ 4,940.00

ready for shipping in 3-5 weeks

$William Optics Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA$

William Optics

Apochromatic refractor AP 91/448 RedCat 91 WIFD OTA

$ 3,700.00

ready for shipping in 3-5 weeks