![]() Any longer and you’ll start finding some objects difficult to catch in one frame. Increasing the focal length on your camera lens allows you to "zoom in" on your target.įor reference, wide-field astrophotography setups generally stay at or below 70 mm focal length. This functions in the same manner as lenses on a standard DSLR camera. Your telescope's focal length determines the magnification it provides, making it a primary factor in deciding what kind of astro-imaging you want to do and what celestial bodies you can capture. Remember, the focal length is measured internally for your telescope. For example, a focal length of 1000 mm (40 inches) doesn't necessarily mean your telescope is physically that long. The focal length of the telescope is the distance from your first lens to the focus point of your camera. ![]() Here, we'll look at some of the most important parts of a telescope when choosing an astrophotography telescope. While some scopes are better suited for planetary views, others perform best with a camera. Let's get started! WHAT IS THE IMPORTANT PART OF A TELESCOPE FOR ASTROPHOTOGRAPHY? We're fortunate enough to be involved in this hobby for over 70 years, so we're excited to pass this knowledge on to you! Technology, apps, "astrophotography mode" on Google's Pixel 4 has made astrophotography more accessible than ever!Īlthough those tools are a welcoming door to astrophotography, it's a hobby with many options.
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