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Sky-Watcher SK909AZ3
Telescopes

Sky-Watcher SK909AZ3

The Sky-Watcher Evostar 90 refractor telescope features a two-element achromatic objective lens with multi-coatings that enhance image sharpness. It is suitable for both astronomical and terrestrial...

The Sky-Watcher Evostar 90 refractor telescope features a two-element achromatic objective lens with multi-coatings that enhance image sharpness. It is suitable for both astronomical and terrestrial observation, with an emphasis on detailed lunar study and planetary viewing. The AZ3 altazimuth mount allows for slow-motion adjustments.

The 45° diagonal prism...

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Top specs

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  • Item

    Dioptric

    They use a lens that refracts light and focuses it at the back end.
  • Lens Diameter 90 mm

  • Focal Length

    It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

    The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.
339 00 €
Delivery Thu, 12 Nov - Mon, 16 Nov
14,00 €   shipping cost
Sent from Greece
From Planitario THessalonikis 5.0 (3)
5.0 (3 reviews)
Greece
1 piece
See Leisure on the page of Planitario THessalonikis

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Reviews (1)

Reviews

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
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  4. 2 stars
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  5. 1 star
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  • Jevenus
    5
    15 out of 15 members found this review helpful
    Jevenus

    I have had it for 4 months, I do not use it daily. It is a very good telescope for beginners (like myself). It is necessary to purchase a book to understand the night sky

    Translated from Greek ·
    • Easy to set up
    • Visual field enlargement
    • Clarity
    • Stability of tripod/base
    • Do you easily find components for its upgrade?
    • Easy sight adjustment
    • Value for money
    • Moderate difficulty to transfer
    Did you find this review helpful?
  • Jevenus
    5
    Jevenus

    I have had it for 4 months, I do not use it daily. It is a very good telescope for beginners (like myself). It is necessary to purchase a book to understand the night sky

    Translated from Greek ·
    15
  • See all
Product report

Description & Specifications

The Sky-Watcher Evostar 90 refractor telescope features a two-element achromatic objective lens with multi-coatings that enhance image sharpness. It is suitable for both astronomical and terrestrial observation, with an emphasis on detailed lunar study and planetary viewing. The AZ3 altazimuth mount allows for slow-motion adjustments.

The 45° diagonal prism is suitable for terrestrial observation, while terrestrial subjects and the Moon can be photographed at prime focus using optional T-rings. The metal rack & pinion focuser completes the equipment.

  • Type: Refractor
  • Lens diameter: 90 mm
  • Focal length: 900 mm
  • Lens: Two-element achromatic, multi-coated
  • Mount: AZ3 altazimuth with slow-motion adjustments
  • Finder: 6x30
  • Focuser: Metal rack & pinion
  • Diagonal prism: 45°
  • Use: Astronomical and terrestrial observation
  • Photography: Terrestrial subjects and the Moon at prime focus using optional T-rings

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
Dioptric

Type

Dioptric

They use a lens that refracts light and focuses it at the back end.
Lens Diameter
90 mm
Focal Length
900 mm

Focal Length

It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.

User Level

Beginner
No
Familiar
Yes
Experienced
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Jevenus
    5
    15 out of 15 members found this review helpful
    Jevenus

    I have had it for 4 months, I do not use it daily. It is a very good telescope for beginners (like myself). It is necessary to purchase a book to understand the night sky

    Translated from Greek ·
    • Easy to set up
    • Visual field enlargement
    • Clarity
    • Stability of tripod/base
    • Do you easily find components for its upgrade?
    • Easy sight adjustment
    • Value for money
    • Moderate difficulty to transfer
    Did you find this review helpful?
  • Jevenus
    5
    Jevenus

    I have had it for 4 months, I do not use it daily. It is a very good telescope for beginners (like myself). It is necessary to purchase a book to understand the night sky

    Translated from Greek ·
    15
  • See all
339,00 €
14,00 €   shipping cost