Focal length for astrophotography
WebApr 13, 2024 · 500 / (sensor crop factor x focal length of the lens being used) = maximum shutter speed Here’s the calculation using a 20mm lens with a full-frame camera, an APS-C sensor, and a Micro Four ... WebAstrophotography Photography Art Hobbies comments sorted by Best Top New Controversial Q&A Add a Comment CVGridley • ... Low weight + longer focal length is gonna be tough to find outside of some very questionable catadioptric mirror lenses. You could theoretically put 1.5x barlow somewhere in your image train.
Focal length for astrophotography
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WebThe rendered image on the sensor is the same size, period, based on focal length. The difference is that the captured area is larger on a full frame. ... Astrophotography. … WebFor these targets, a focal length anywhere between 50-500mm or so can be used, depending on the target. You can either use a telephoto lens such as a 135mm or 200mm, or even better options are widefield telescopes like the TPO UltraWide 180 (180mm), the William Optics RedCat 51 (250mm), or the Radian 61 (275mm).
WebSo if you have a zoom lens, you will have to repeat this step multiple times to input a variety of focal lengths for the same lens. As an example, on my 70-200mm zoom lens I entered 3 focal lengths for the same lens — 70mm, 135mm, and 200mm. Every time I add a new lens or telescope I name the lens and focal length so it’s easy to find. WebNov 8, 2024 · It has a focal length of 550mm, which has proven to be an incredibly versatile magnification for a wide variety of deep-sky astrophotography projects. It’s still pretty …
WebDec 16, 2024 · Long-focal-length scopes are ideal for imaging the Moon, planets, and the Sun (with an additional solar filter). Richard S. Wright Jr. There are a few optics to choose from for long focal length–imaging. For the planets, nothing beats the value of a large Schmidt-Cassegrain telescope (SCT). WebAug 7, 2006 · Telescope size, focal length and Astrophotography - posted in Beginning Deep Sky Imaging: HelloFor quite a while I have been reading different opinions about the telescope size and focal length of telescope for astrophotography. My logic tells me that: 1. Bigger the telescope, much light gathering capabilities less exposure time. 2. Same …
WebNov 23, 2024 · The SC6 had a focal length of approximately 762mm, which could be considered to be a “mid-range” focal length. For comparison, my William Optics Zenithstar 73 refractor has a focal length of 430mm.
WebMar 4, 2024 · Thanks! I am using a 6 inch SCT on a standard alt az goto mount. The standard celestron nexstar tracking mount. The scope does have a long focal length of 1500 mm, like you mentioned. I used the standard kellner eyepiece supplied with the telescope itself. how many times should you use rice waterWebOct 24, 2024 · Daylon Burt of Astro Escape gives a rundown of what you can capture with the focal length range you use with APS-C sensor cameras. He starts with 8mm – 24mm all the way to 2000mm and … how many times should you wash 4c hairWebMar 4, 2014 · Of the two, the reflector is easier to use for galaxies, but at 1000mm focal length, small galaxies and planets are not that reflectors strong point. I have also tried to use an 8 inch, 1200 focal length reflector with a barlow for those targets, and there seemed to be too much flex to get a clear sharp picture. how many times should you wash dreadsWebMay 28, 2024 · 24mm is an ideal focal length for astrophotography applications, particularly nightscape photography. When paired with a full-frame astrophotography … how many times should you urniate a dayWebAug 23, 2013 · You can use any focal length you wish. Here are deep sky examples using everything from 14mm to 4000mm focal lengths. Start off by using whatever camera … how many times smaller is 54 than 540WebAug 3, 2015 · With this method, you’ll find that the standard 18-55-mm zoom lens that comes bundled with many DSLRs isn’t very good for astronomy; it’s slow (usually no faster than f/4.5) and less sharp than many fixed-focal-length lenses. Also, being a zoom, it may shift focal length or focus as the telescope tilts to track the sky. how many times smaller is 6 than 60WebYou can use any focal length from 8 to 800mm when shooting the sky, but I would recommend getting a telescope if you want to shoot at focal lengths longer than 400mm. … how many times smaller is 80 than 8000