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

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Focal length

500 - 750 mm (3)

< 500 mm (10)

750 - 900 mm (3)

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1200 - 1500 mm (2)

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Type

Refractor (3)

Recommended for

Advanced (3)

Observatories (1)

Area of application

Astrophotography (3)

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Type of build

Apochromat (3)

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Aperture

70 - 90 mm (2)

90 - 114 mm (1)

Price

1,140 - 2,290 $ (2)

2,290 - 5,720 $ (1)

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in stock (1)

short-term (2)

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

William Optics

Apochromatic refractor AP 91/540 Space Gray OTA

$ 2,630.00

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

$ 1,710.00

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

$ 1,480.00

ready for shipping in 24 h