The brand new Askar 103APO is a 103mm aperture, 700mm focal length, and 6.8 native focal ratios OTA. In astrographs, the size of the aperture has a significant impact on observability and image quality. The aperture of 103mm 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.