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Knife edge focusing - Film Astrophotography - Cloudy Nights
- https://www.cloudynights.com/topic/14111-knife-edge-focusing/
- Knife edge focusing - posted in Film Astrophotography: Hello,I finally built myself a knife edge focuser out of an old junk camera body the same as my main body. I took my time and did everything according to the articles that were recommended here on CN. I tried to test it out the other night but had difficulty seeing the star let alone the greying that is supposed to be …
NGC5907: The Knife Edge Galaxy - Deep sky …
- https://deepskyworkflows.com/gallery/ngc5907-knife-edge/
- This is a spiral galaxy viewed edge-on from 50 million light years away.
Knifeedge and Ronchi focusing In theory - Digital Astrophotography
- https://www.astronomyclub.xyz/digital-astrophotography-2/knifeedge-and-ronchi-focusing-in-theory.html
- Astrophotography for the Amateur. Knife-edge or Ronchi focusing gives a very precise result - you can't be off by even 0.1 mm - and is totally unaffected by the focus of your eyes. You need not have sharp vision at all; if you need glasses, you can leave them off, and the results will be the same. In practice. The trouble with Ronchi or knife-edge focusing is that you …
Knife edge focusing - Film Astrophotography - Cloudy Nights
- https://www.cloudynights.com/topic/2197-knife-edge-focusing/
- Knife edge focusing - posted in Film Astrophotography: Hello again its me the question man.....I was wondering since I have done Prime Focus shots of the Moon, and found it very easy to focus using my 35 mm Pentax, I know that when my eyepiece adapter arrives it will be difficult to get an accurate focus while looking through the standard viewfinder of the camera.
Building A Knife Edge Focuser - howardedin.com
- http://howardedin.com/articles/knife-edge.html
- Place the 'emulsion side of the knife-edge down on a piece of wax paper. Apply a few small drops of super glue to the blade and gently lower the clear back onto it. Press firmly to spread the glue out evenly and hold for recommended glue …
Focusing Methods - Astrophotography and Image …
- https://www.astropix.com/html/astrophotography/methods.html
- The knife edge is positioned so it is perpendicular to the scope's movement, either in right ascension or declination, and the telescope is moved so the knife edge cuts into the light cone. If the telescope is exactly at focus, the star's disk will wink out all at once.
Knife Edge Galaxy - NGC 5907 : astrophotography
- https://www.reddit.com/r/astrophotography/comments/uz71zo/knife_edge_galaxy_ngc_5907/
- Acquisition: Location: Queen Creek, AZ Bortle 7 Dates: 2022-05-01 to 2022-05-03 Lights (Dithered, Cooled 0°C, Gain 100): 175 x 120s Bias: 200 Flats: 25. Hardware: Camera: ZWO ASI 2600MC PRO Scope: Celestron EdgeHD 11" Focal Reducer: Celestron 0.7x Focuser: Prodigy Microfocuser Guide Camera: Unguided Guide Scope: Unguided Mount: GM2000 HPS II ...
Best 5 Astrophotography-Type Telescopes To Buy In …
- https://besttelescopesreviews.com/best-telescope-for-astrophotography/
- Knife Edge Baffles Another great thing about this astrograph refractor telescope is that it features knife-edge baffles all the way down the optical tube. The baffles are designed to reduce any stray light from getting inside the optical tube and damaging the beautiful view that this telescope provides. Additional Accessories
The 16 Best Astrophotography Accessories | Everything …
- https://astrobackyard.com/astrophotography-accessories/
- Some of the most essential astrophotography accessories include a portable power supply, red headlamp, optics cleaning kit, and a Bahtinov mask. ... you should achieve a flat field image with sharp stars from edge to edge. It is quite remarkable to be able to shoot a new focal length and f-ratio with the same telescope. Widening the field of ...
A New Ritchey-Chrétien Telescope for Astrophotography
- https://astrobackyard.com/ritchey-chretien-telescope/
- The iOptron Photron RC6 was built for astrophotography. Its steel tube includes internal knife-edge baffles that reduce the stray light entering the objective of the scope. In a long exposure photo, the smallest amount of stray light can become quite bright, and it reduces the overall contrast of your image.
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