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Magnification
- https://www.astroshop.eu/magazine/information/telescope-knowledge/the-right-telescope/magnification/i,1063#:~:text=Magnification%20depends%20on%20the%20ratio%20of%20the%20lens,of%20the%20eyepiece%3A%20M%20%3D%20fo%20%2F%20fe
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Magnification in astrophotography? - Cloudy Nights
- https://www.cloudynights.com/topic/157213-magnification-in-astrophotography/
- If I would use a 2x barlow 864/35=~24x. If I would use the 2x on the camera and not use the barlow the telescope would be a 800mm …
Magnification in astrophotography and EAA - Syracuse Astro
- http://www.syracuse-astro.org/2021/11/06/2228/
- Where the focal plane of the primary objective and the eye piece meet is the focus. Magnification is calculated by dividing the focal length of the telescope by the focal length of the eyepiece. An eyepiece or your eye has a focal length, so it …
What Magnification Is That? - Sky & Telescope
- https://skyandtelescope.org/astronomy-blogs/imaging-foundations-richard-wright/what-magnification-is-that/
- If an object looks twice as large, it is magnified 2×. You can also make an object look twice as large just by getting closer to it, exactly by half. …
How to Focus your Camera For Astrophotography
- https://astrobackyard.com/how-to-focus-astrophotography/
- In astrophotography, the magnification and scale of your image will vary widely depending on the optical instrument used. Sometimes, you …
In Astrophotography, Bigger Is Not Always Better! - Sky
- https://skyandtelescope.org/astronomy-blogs/imaging-foundations-richard-wright/astrophotography-bigger-not-better/
- Higher magnification spreads the light out, making for a much fainter signal that takes longer to properly expose. Most nebulae, star clusters, and a handful of nearby galaxies are all well within the reach of a backyard instruments with focal lengths of around 1,000 mm or less. Not to mention, you can't beat the seeing for where you live. If you really want to take high …
Understanding Telescope Magnification & Choosing The …
- https://americaneclipseusa.com/guides/understanding-telescope-magnification/
- The first calculation is a universal telescope magnification formula that gives you a magnification with any given telescope and eyepiece. Magnification = Telescope focal length / Eyepiece focal length Example: 48x = 1200 mm / 25 mm Magnification = Aperture in mm / Exit pupil Formula Factors Required for the Calculations Telescope Focal Length
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)!
Astrophotography For Beginners: A Complete A-Z Guide …
- https://nightskypix.com/beginners-guide-to-astrophotography/
- Let’s use a Rokinon 14mm f/2.8 lens on a full-frame DSLR camera for an example. You divide 500 by 14 (14mm Focal Length), which equals 35.71 seconds. Round it down a little and 35 seconds is the shutter speed (exposure) you should use …
Astrophotography with a Dobsonian Telescope | High …
- https://www.highpointscientific.com/astronomy-hub/post/astro-photography-guides/astrophotography-with-a-dobsonian-telescope
- To be able to capture the planets, we need a lot of magnification! If you’re using a smartphone or a DSLR, your best bet is to use eyepiece projection or a 3-5x Barlow lens to be able to capture the planets. Do be aware though that as you increase magnification, you also increase how quickly the planets drift through the field of view.
My planetary photos appear tiny in my DSLR. Do I need more magnification?
- https://www.skyatnightmagazine.com/advice/planet-photos-appear-tiny-dslr-magnification/
- With your 9mm eyepiece and 2x Barlow lens, you will achieve a magnification of 145x. The theoretical maximum magnification of your telescope is 250x. However, the reality is that in typical seeing conditions, the useful magnification is about 150x so you are already at the point where there would be no useful gain for planetary observing. For deep-sky observing, …
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