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Celestron C90 Mak Spotting Scope
Celestron C90 Mak Spotting Scope

Celestron C90 Mak Spotting Scope

£225.00
£279.99
(Inc. 20% VAT)
Loyalty Points: 225
In stock, Shipped in 1-2 working days
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Product Code
52268
Brand
Aperture (mm)
90 mm
Telescope Type
Maksutov-Cassegrain
Mount Type
OTA Only
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Description

Celestron C90 Mak Spotting Scope

The Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.

Maksutov-Cassegrain Optical Design

The MAK is a catadioptric spotting scope, which means the optical design includes both a lens and a mirror. The light coming through a MAK passes through the corrector lens to the primary mirror and back to a spherical secondary mirror before it hits the eyepiece. Images are bright, sharp, and virtually free of chromatic aberration.

The Maksutov-Cassegrain’s optical design offers several unique benefits. Instead of a secondary mirror, the MAK features a “secondary spot” of reflective coating applied directly to the inside of the corrector plate. Because of this, the spotting scope does not require frequent collimation. Also, the secondary spot is significantly smaller, giving the MAK its signature high-contrast views.

One important thing to note about Maksutov-Cassegrain spotting scope is that the larger, heavier Maksutov corrector plate takes longer to cool down and adjust to ambient air temperature.

Celestron C90 Mak Spotting Scope Main Features:

  • Magnification: 39x (with included eyepiece)
  • Objective Lens Diameter: 90mm (3.54")
  • Angular Field of View: 1.3° with included eyepiece
  • Linear Field of View (@1000 yds) / @1000 m): 68 ft (20.7 m) with included eyepiece
  • Focal Length: 1250mm (49")
  • Exit Pupil: 2.3mm (0.1") with included eyepiece
  • Eye Relief: 20mm (.78") with included eyepiece
  • Close Focus: 15 ft (4.6 m) with included eyepiece
  • Twilight Factor: 59.2 with included eyepiece
  • Relative Brightness: 5.3 with included eyepiece
  • Lens Coatings: Multi-Coated
  • Prism Glass (Type): BaK4
  • Prism Coatings: N/A
  • Weight: 74 oz (2,100 g)
  • Environmental Protection: Water Resistant
  • Nitrogen Filled: No
  • Tripod Adaptable: Yes
  • Carrying Case: Black heavy woven nylon backpack
  • Camera Adaptable: Yes

Included Items:

  • Plössl 32mm eyepiece
  • 45° diagonal
  • 8x21 finderscope
  • Objective Lens Cover
  • Eyepiece Lens cap
  • Backpack Case

Solar Warning 
Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

Specifications

Specifications: Celestron C90 Mak Spotting Scope

  • Magnification: 39x (with included eyepiece)
  • Objective Lens Diameter: 90mm (3.54")
  • Eyepieces: 32mm Plössl (1.26")
  • Angular Field of View: 1.3° with included eyepiece
  • Linear Field of View (@1000 yds) / @1000 m): 68 ft (20.7 m) with included eyepiece
  • Focal Length: 1250mm (49")
  • Exit Pupil: 2.3mm (0.1") with included eyepiece
  • Eye Relief: 20mm (.78") with included eyepiece
  • Close Focus: 15 ft (4.6 m) with included eyepiece
  • Twilight Factor: 59.2 with included eyepiece
  • Relative Brightness: 5.3 with included eyepiece
  • Lens Coatings: Multi-Coated
  • Prism Glass (Type): BaK4
  • Prism Coatings: N/A
  • Weight: 74 oz (2,100 g)
  • Environmental Protection: Water Resistant
  • Nitrogen Filled: No
  • Tripod Adaptable: Yes
  • Carrying Case: Black heavy woven nylon backpack
  • Camera Adaptable: Yes
  • Dimensions: 400mm x 260mm x260mm (15.7" x 10.2" x 10.2") with include eyepiece
 
Solar Warning:
Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

What's in the Box

What's in the Box: Celestron C90 Mak Spotting Scope

  • Celestron C90 OTA
  • Plössl 32mm eyepiece
  • 45° diagonal
  • 8x21 finderscope
  • Objective Lens Cover
  • Eyepiece Lens cap
  • Backpack Case
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Delivery

At The Widescreen Centre, we prioritize prompt order processing and dispatch. We strive to dispatch all orders on the same day or the next working day, depending on the time of your order. We hold extensive stocks to ensure that your items are ready for immediate despatch. Please note that the cut-off time for same-day dispatch is usually 1:30 p.m.

For delivery within Mainland UK, we use reputable couriers to provide efficient service. You can expect your package to arrive in 1-2 working days. Please note that a signature may be required upon delivery to ensure a secure receipt.

In the case of special order items, the delivery time may be longer. If you have any concerns or questions about the delivery of your item, please don't hesitate to Contact Us. We are here to assist you.

Should there be any delay in dispatching your order, we will notify you to keep you informed.

Please be aware that The Widescreen Centre cannot be held responsible for any postal or third-party delays that may occur. We are committed to providing a reliable and efficient delivery service for our valued customers.

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