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How to calculate the magnification in Prime Focus? - Beginning De…
- https://www.cloudynights.com/topic/74646-how-to-calculate-the-magnification-in-prime-focus/#:~:text=In%20prime%20focus%20astrophotography%2C%20the%20CAMERA%20is%20the,film%20camera%20%28my%20tool%21%29%20you%20get%2018X%20magnification.
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The Prime Focus Method (Astrophotography)
- https://www.astronomyforbeginners.com/astrophotography/the-prime-focus-method/
- The magnification you get is actually surprisingly low. It is roughly your telescope’s focal length divided by 50.
how to calculate the magnification in prime focus? - Film ...
- https://www.cloudynights.com/topic/74647-how-to-calculate-the-magnification-in-prime-focus/
- In prime focus astrophotography, the CAMERA is the eyepiece and the scope is the lens. So you simply divide the focal length of the scope by the diagonal size of the film plane. With a 35mm film, that's actually 43mm. So.. with a LXD75 8" Schmidt Newtonian (812mm focal length) and a 35mm camera (my tool!) you get 18X magnification. 812 / 43 = 18X
PRIME FOCUS METHOD And The Chuck Norris Effect
- https://astronomerguide.com/prime-focus-method/
- The method of prime-focus in astrophotography means the telescope gathers light and magnifies the picture captured by the camera. This implies that it must maintain precise alignment with the stars. The prime focus approach is more challenging to master than the other methods. It entails utilizing your telescope as a very long camera lens to do this.
Prime Focus - Prescott Astronomy Club
- http://prescottastronomyclub.org/astrophotography/prime-focus
- The magnification you get is actually surprisingly low. It is roughly your telescope’s focal length divided by 50.
Prime focus magnification - Imaging - Tips, Tricks and …
- https://stargazerslounge.com/topic/17114-prime-focus-magnification/
- 50mm focal length seems to be about life size (x1 magnification) So 1200mm focal length would be about x24. You also take into account any effect re the size of your DSLR chip (a x1.6 magnification on a Canon 300D, 350D or 400D) So with one of them your 1200mm focal length prime focus exposure would be about x24 x1.6 = x38.
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 the stars perfectly. That’s why experi- …
Magnification at prime focus - IceInSpace
- https://www.iceinspace.com.au/forum/showthread.php?t=59394
- Your magnification factor is always referred to a 50mm lens on 35mm film. Therefore 1200/50=24x and 1920/50=38x. Now you can print an image taken with a film camera on standard 10x15cm paper and get a nice picture.
Eyepiece Projection vs Prime Focus- Which is Better for ... - Starry …
- https://starrynova.com/eyepiece-projection-vs-prime-focus/
- The prime focus approach is preferred if you have a high-quality telescope and camera with flat field characteristics. Eyepiece projection is a simpler design that works well with consumer telescopes or DSLR imagers, making it the more popular option for astrophotography amateurs. Most astronomers prefer eyepiece projection to prime focus because of the imaging …
Eyepiece Projection - Astronomy Source
- https://astronomysource.com/eyepiece-projection/
- Magnification over prime focus set up (Mopf) Mopf= (Depccd-FLep)/FLep Mopf= (100mm-20mm)/20mm = 4 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)!
prime focus - ayton.id.au
- https://ayton.id.au/gary/Science/Astronomy/Ast_PhotoDigital_prime_focus.htm
- some maths for digital prime focus: image scale = 206 * (pixel size in microns) / (focal length in mm) the Canon 300D pixels are about 7.2 microns so assuming an LX200 10" f/10 telescope you would get: 206 * 7.2 / (25.4 * 10 * 10) = 0.58 arcseconds per pixel. So your field of view would be:
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