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The Prime Focus Method (Astrophotography)
- https://www.astronomyforbeginners.com/astrophotography/the-prime-focus-method/
- The prime focus method is a little bit harder than the others. It involves using your telescope as a very long camera lens. For this method you …
Prime-focus focusing - Beginning Deep Sky Imaging
- https://www.cloudynights.com/topic/607594-prime-focus-focusing/
- Prime-focus focusing - posted in Beginning Deep Sky Imaging: Here is an ignorant question. When a CCD camera is attached directly to the focuser (I believe it is called prime focus), how is the image being focused onto the chip when there are no lenses in between there? When I try to look through a telescope with no eyepiece, I dont see an image like that. Not …
Astrophotography Focusing: How to get Sharp Stars - Stellar …
- https://stellardiscovery.com/astrophotography-focusing/
- Most of the time, focusing in astrophotography is a manual process that requires you to adjust the focus by hand. This process typically involves adjusting a focusing ring or a focusing knob. Both DSLR lenses and telescopes are commonly used for astrophotography, so I will run through some of the features and differences you will likely encounter.
Astrophotography: part four All about prime-focus …
- https://astronomy.com/-/media/Files/PDF/web%20extras/2011/07/Prime-focus%20imaging.pdf
- In prime-focus astrophotography, the telescope both gathers light and magni-fies the image. This means it has to track ... in detail to find the point of best focus. Regardless of your focusing ...
How to Focus your Camera For Astrophotography
- https://astrobackyard.com/how-to-focus-astrophotography/
- Lens Mode: Manual Focus. Aperture: F/4 or below (as low as it goes) White Balance: Daylight or Auto. Exposure: 30-seconds or Bulb. ISO: …
Prime Focus Astrophotography: Getting Started - YouTube
- https://www.youtube.com/watch?v=h2QIlFXJpiA
- Here we take a look at what you'll need to attach your DSLR camera to a telescope.
Focusing Methods - Astrophotography and Image …
- https://www.astropix.com/html/astrophotography/methods.html
- The trouble is, with a camera, the image is projected onto the ground glass of the focusing screen first. Most screens, which seem quite bright for daytime work with fast lenses that focus with the diaphragm wide open at f/2.8 or so, suddenly seem quite dark at prime focus of an f/8 telescope.
Barlows as it relates to prime focus: Astrophotography …
- https://www.dpreview.com/forums/thread/4105101
- Barlow lenses can be considered simple tele extenders. Main problem with Barlow lenses and APS-C or FF cameras is reduced image quality towards the corners. Triplets are better than dublets here. Tele converters usually give better over all correction but are not as sharp as a Barlow lens in the center of the field.
Planetary prime focus astro-photography - YouTube
- https://www.youtube.com/watch?v=BhC5L24rIR8
- Learn how to attach your camera to the telescope for planetary photography. Depending on your particular telescope and camera, there is sometimes more than o...
Eyepiece Projection - Astronomy Source
- https://astronomysource.com/eyepiece-projection/
- The image is 4 times larger than that of a prime focus setup. Focal Length overall EP setup (FLoEPs) FLoEPs = Mopf * FLtele FLoEPs = 4 x 900mm = 3600mm This setup has a focal length of whopping 3.6 meters (141 inches)! The number shows that eyepiece projection focusing can really be a challenge and has to be done carefully in minute steps.
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