In recent years, with the popularization of domestic astronomical knowledge
and economic development, more and more domestic customers are not satisfied
with a simple observation and photography, but need professional equipment to
satisfy their yearning to explore the starry sky, leaving more gorgeous sky photos
and observation images.
When shooting stars, the wide-angle lens is easy to achieve a broader perspective, especially make an effective
and comprehensive full performance of the scene.
Professional astrophotography telescope APO lens, the optical design of high quality
image. The camera lens is easy to use and the two-end focuser is used for high precise focusing.
ACL 200mm F/4 Lens Features:
1. This 200mm focal length professional camera lens for astrophotography is a world first, features the appearance and structure of camera lens, integral design bring compact, lightweight and easy to use.
2. This lens is carefully designed to optimize the quality of image and create optimal performance, no need to attach complicated accessories, it is not have too big distinction in the usage of normal camera.
3. Excellent for chromatic aberration control, no need to worry that the chromatic halo in a photograph caused by normal camera lens and telescope.
4. Full frame photography and flat-field correction supported, it effectively corrects for chromatic aberration and produces superb images.
5. For astrophotography, F/4 is a fast focal ratio, which can effectively shorten the exposure time and reduce the burden of tracking accuracy of equatorial instrument for a long time.
6. For astrophotography, it adopts two focus modes: One is coarse adjustment （Helical Focuser), the other is 1mm micro adjustment, making the focus easily.
7. For landscape photography, it is optical optimized designed features F/4 -- F/22 aperture，thus it can be used for astrophotography and landscape either simultaneously or overlap. The shortest focusing distance is 3 meters.
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