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Manufacturer

William Optics (4)

Type

Refractor (4)

recommended for

Advanced (4)

Observatories (1)

Type of build

Apochromat (4)

Mounting type

no mount (4)

Aperture

< 70 mm (2)

90 - 114 mm (2)

Focal length

< 500 mm (2)

500 - 750 mm (2)

Tube material

Aluminium (3)

Price

1,120 - 2,240 $ (2)

2,240 - 5,590 $ (2)

Availability

in stock (1)

short-term (1)

long-term (2)

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

William Optics

Apochromatic refractor AP 51/250 RedCat WIFD

$ 1,230.00

ready for shipping in 24 h

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

William Optics

Apochromatic refractor AP 91/540 Space Gray OTA

$ 3,350.00

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

$ 4,360.00

Product can be shipped as of 15.07.2025

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

William Optics

Apochromatic refractor AP 51/250 SpaceCat WIFD OTA

$ 1,230.00

ready for shipping in 6-10 weeks