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Askar 103 APO F/6.8 Triplet Refractor
US$ 1,199.91The Askar 103APO is an optical telescope (OTA) with an aperture of 103 mm, a focal length of 700 mm and a native focal ratio of 6.8.
Askar Reducer 0.8x for 103 APO
US$ 239.27The 0.8x reducer can bring the focal ratio of the Askar 103APO to F5.4. This is a standard reducer with field flattening capabilities. A shorter focal ratio allows the telescope 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.
Askar Reducer 0.6x for 103 APO
US$ 354.90The 0.6x reducer can bring the focal ratio of the Askar 103APO to F4, also providing field flattening. Askar 103APO adopts a detachable tube design, where the back of the tube can be removed when using the 0.6x reducer, allowing the telescope to have the length needed to achieve an F4 focal ratio.
Askar Flattener 1.0x for 103 APO
US$ 239.27The 1x flattener does not change the focal ratio of the telescope. After being attached to the Askar 103APO, it still maintained a focal length of f/6.8. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.
Askar 120 APO F/7.0 Triplet Refractor
US$ 1,822.55The Askar 120APO's 120mm aperture provides undeniable advantages in light-gathering power, resolution, brightness and contrast, allowing you to capture more light and present more detail and brighter objects in your images. The increased aperture area, which is 36% larger than that of the 103APO, contributes to better performance.
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