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Telescope 185APO F7 - ASKAR

AS-185APO
Rating 

As a large aperture refractor, Askar 185APO fills the market vacancy, continues the high quality and cost-effectiveness of APO series telescopes, and provides a new choice for astronomical amateurs.

€6,499.00
Tax included
Quantity
On order (Generaly 1D)

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Description

APO with a Great apeture



The Askar 185APO is an OTA with a 185mm aperture,1295mm focal length, and f/7 native focal ratio.

The large aperture of 185mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter objects in the image. Along with more light coming into the astrograph, the limiting magnitude can reach 13.1.

The Askar 185APO adopts a triplet air-spaced APO lens design, including one piece of ED glass.

The Askar APO series employs special optical designs and multiple lens elements to correct chromatic aberration, naturally providing higher-quality object details and color accuracy.

In the refractor's element structure, increasing the number of lens elements and designing lens combinations can effectively improve chromatic aberration correction. However, this also means increased production costs and design complexity.

ED glass, also known as low-dispersion glass, is a type of optical glass specifically designed to reduce chromatic aberration.


well designed

as a large aperture, long focal ratio telescope, the Askar 185APO was designed with portability in mind. Due to the retractable lens tube design, the shortest overall length is only 1081mm, the net weight is 14.9kg, and the gross weight is 17.2kg (including the handle, tube ring, and dovetail plate).

Each piece of Askar 185APO is equipped with a unique name ring for identification.

The retractable design of the dew shield, along with the enlarged locking screws, provides convenient usage.

The Askar 185APO has an integrated design for the tube ring, with an overall weight of 2.3 kg. The thumb screws enable easy opening and locking of the tube rings. Meanwhile, the base of the tube rings is heightened, providing more space.

The Askar 185APO has an extended 400mm handle with a special slot design, making it also a base for installing a finder scope.

The dovetail plate of the Askar 185APO is the standard Losmandy dovetail plate, which is compatible with most equatorial mounts and bases on the market. The dovetail plate is designed with multiple holes, which makes it easy to adjust the position. The length of the dovetail plate has been extended to 400mm, which is more convenient for balancing on the mount.

Can be use with Bino



It is worth mentioning that the rear lens tube of the Askar 185APO has an integrated retractable design. We strengthen the overall stability and ensure that the optical axis will not be affected when the lens tube is stretched, thus guaranteeing the quality of the image. The retractable part also features a rudder-type locking ring that makes it easy to loosen or tighten.

When the lens tube is contracted, the Askar 185APO can be used with a binoviewer for visual observation. When the lens tube is stretched, the 185APO can be connected with a specific 0.8x reducer or 1.0x flattener for imaging or a diagonal and eyepiece for observing.



In terms of the focuser, the Askar 185APO is equipped with a dual-speed rack and pinion large 3.5-inch rigid focuser, which can be compatible with most motorized focusers on the market. There is a high-precision scale printed on the 100mm focusing travel. The entire focuser barrel is CNC machined with an anti-reflective internal design and matting paint, providing extra measures to eliminate stray light.

There are two finder bases on both sides of the focuser, which not only eliminates the need for disassembling when changing the position of the finder scope but also provides additional mounting positions for other astronomical accessories.

The rear of the focuser features a 360° high-precision big rotator, along with precise scales for convenient adjustment and saving of rotation angles, enabling precise rotation. It is also equipped with an enlarged rotator locking screw that can be easily secured even under high loads.

In terms of visual observation,the focuser interface at the rear comes with a 1.25"/2" adapter,so the 185APO can easily achieve focus when connected to 1.25" or 2" diagonals or various eyepieces. Because of the retractable lens tube design, it can also be attached to a binoviewer for visual observation.



The entire Askar 185APO tube is crafted using high-quality CNC machining with anodized and surface spray paint treatments. The orange accents on the ivory-white tube add a bright and eye-catching touch, presenting a stylish and elegant overall appearance.


Flatteners in option

The Askar 185APO has two optional accessories: a 1x flattener and a 0.8x reducer. Both accessories come with a built-in 2" filter thread for direct filter mounting and all are equipped with M68/M54/M48 adapters for easy connection.

The 1x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 185APO, it still maintains a focal ratio of f/7. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.

The 0.8x reducer can bring the Askar 185APO's focal ratio down to f/5.6. This is a standard reducer with field flattening capabilities as well. A shorter focal ratio allows the OTA to have a wider field of view and faster exposure times, making it suitable for capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.


Features

  • Aperture size: 185mm
  • Focal length 1295mm
  • Focal ratio f/7
  • Objective lens: Triplet air-spaced APO (including one ED glass)
  • Total length
    1081mm(when the dew shield is contracted)
    1222mm(when the dew shield is stretched)
  • The length of the rear retractable lens tube: 95mm
  • OTA weight: 14.9kg
  • Gross weight(including tube ring and dovetail plate): 17.2kg
  • Rear-end thread type: 2"/1.25" visual adapters

In The Box

  • an 185APO OTA
  • a pair of tube rings
  • a handle
  • an Askar 400mm Losmandy dovetail plate
  • an aluminum box
  • a manual

Product Details
AS-185APO

Data sheet

Type
Lunette
Traitement
APOchromatique
Ouverture
185mm
Focale
Rapport F/D
Connexion
2"
Connexion
1.25"
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M48 Thread T Ring for Canon EOS

Telescope 185APO F7 - ASKAR

As a large aperture refractor, Askar 185APO fills the market vacancy, continues the high quality and cost-effectiveness of APO series telescopes, and provides a new choice for astronomical amateurs.

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