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josue2503
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can i use a concave aluminum mirror as an objective mirror of a dobsonian telescope??
A primary mirror for a Dobsonian telescope is a large, concave mirror that is the main optical element of the telescope. It is responsible for collecting and focusing light from distant objects, allowing for clear and magnified views of the night sky.
The primary mirror in a Dobsonian telescope works by reflecting light from a distant object onto the secondary mirror and then into the eyepiece. The curvature of the mirror causes the light to converge to a single point, creating a magnified image for the viewer.
The size of a primary mirror in a Dobsonian telescope can vary, but it is typically between 8 and 16 inches in diameter. The larger the mirror, the more light it can collect and the higher the resolution of the images it produces.
A primary mirror in a Dobsonian telescope is typically larger and less curved than those in other telescope designs. This allows for a wider field of view and less distortion in the images produced. Additionally, Dobsonian telescopes have a simpler mount and are easier to use for beginners.
Yes, the primary mirror in a Dobsonian telescope can be replaced or upgraded. This is often done to improve the quality of images or to increase the size of the mirror for better light collection. However, it is important to ensure that the new mirror is compatible with the telescope's design and mount.