🔍 sky quality (3) | William Optics Telescopes Focal length 500 - 750 mm | ASTROSHOP

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William Optics (3)

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Focal length

500 - 750 mm (3)

< 500 mm (9)

750 - 900 mm (3)

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Type

Refractor (3)

Recommended for

Advanced (3)

Observatories (1)

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Astrophotography (3)

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Type of build

Apochromat (3)

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no mount (3)

Aperture

70 - 90 mm (2)

90 - 114 mm (1)

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2,310 - 5,780 $ (1)

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short-term (3)

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

William Optics

Apochromatic refractor AP 91/540 Space Gray OTA

$ 2,650.00

ready for shipping in 3-5 weeks

$William Optics Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA$

William Optics

Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Red OTA

$ 1,730.00

ready for shipping in 3-5 weeks

$William Optics Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA$

William Optics

Apochromatic refractor AP 81/559 ZenithStar 81 WIFD Gold OTA

$ 1,500.00

ready for shipping in 3-5 weeks