Hyperstar back focus
Web30 okt. 2024 · To calculate how much back focus spacing you need to add, take the thickness of the filter and divide it by 3. So, if you have a filter that is 3mm thick, you … WebThis a customer return, it is like new in box. The optics are clean and the body is unmarked. It is in the original box with packing. The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 925 one full f-stop faster than f/10, doubling the equivalent exposure at f/10 4-element lens design Maintains similar flat-fi
Hyperstar back focus
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Web30 okt. 2024 · Back focus, in its simplest definition, is the measurement between the last optical component, such as a corrector or reducer, of your telescope and the focal plane. When using your telescope stock without any accessories, you can easily reach focus because the telescope’s focuser travel is designed to move around this distance. WebAstrógrafo Askar 151PHQ Flatfield APO. El 151PHQ tiene una apertura 21 mm mayor que el 130PHQ. El objetivo triplete con dos cristales ED ofrece un excelente control de las aberraciones cromáticas y de otro tipo. Con su diseño autoaplanante, debido al cuarto elemento óptico, el 151PHQ ofrece grandes ventajas en la fotografía astronómica.
Web22 nov. 2024 · Hello all, I have the Hyperstar for C14 edgeHD. I can't tell which version (if it matters for my question), but it's ~3-4 years old. (I bought is second hand) It came with a … WebI measured the secondary obstruction on the Hyperstar and it was 104mm, so I was safe. I also worried about tilt due to the weight, but the ASI2600mc-pro had a built-in tilt …
Web17 aug. 2024 · Backfocus Issue? - posted in Beginning Deep Sky Imaging: In all the images Im taking with my C11, Im getting kind of weird star shapes: Originally I thought it was a collimation issue but I put a Duncan mask on the other night and all the spikes are converging at the center. So I think my collimation is good or at least pretty close, without … Web4 feb. 2024 · The Hyperstar came preconfigured from Starizona with the 4.5mm spacer and the filter drawer, this combination should be fine to reach the required back focus distance. I've also collimated the Hyperstar and …
WebOn this very topic, most Starizona adapters have a provision for a M48 (2 inches) mounted filter. Both my C6 and C9.25 v4 Hyperstars were delivered with that kind of adapter for …
Web11 jan. 2024 · The backfocus of a camera is the distance from the plane of the sensor to the front of the camera. These measurements are available on all of our astrophotography … navy federal credit union raleigh nc hoursWeb23 apr. 2024 · No, reducing the focal length increases the field of view. With a given aperture you can reduce integration time by using a more sensitive camera, binning the … navy federal credit union rates for cdsWeb20 feb. 2009 · Posted February 18, 2009. Steve, the Canon EF-S lenses actually use an even shorter back focus distance than EF lenses. It means they can be made smaller … marko dragoslavic twitter officialWebThis HyperStar 4 is designed for the Celestron 9.25" SCT or EdgeHD. Max useable sensor diagonal is 28 mm (APS) Back focus is 59.7 mm. Choose your camera model from … navy federal credit union rates iraWeb29 sep. 2015 · The HyperStar can be used for narrowband imaging; however, the high optical speed and the location of the camera in the entrance pupil present some … mark of alunethWeb29 apr. 2013 · It says the Hyperstar back focus distance is 39.8mm for a C8. I was wondering if there's any difference between the Hyperstar and the (as far as I can tell) … navy federal credit union rates personal loanWeb7 sep. 2024 · Steeds meer professionele fotografen gebruiken de back button focus-techniek om automatisch scherp te stellen. Via een aangewezen knop op de achterzijde … navy federal credit union rates refinance