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I am working with a SV-80mm f/6.9 scope, i already purchased your mark iv 8-24mm zoom eyepiece. My question is will this diagonal, and your Hyperion® Zoom Barlow Lens set up work with my scope and or will i need any additional accessories for it thanks again for helping out.
Question by: darrell on Jan 9, 2021 2:43:00 AM | 1 Answer(s)
I am looking for a 45 degree 1-25" correct image diagonal. I want it to look at the view across the bay, and the image to be the same as looking through a pair of binoculars.
Would your article part no.2956150 do the business. Is there any other options.
Would your article part no.2956150 do the business. Is there any other options.
Question by: John O Sullivan on Oct 12, 2016 10:43:00 PM | 1 Answer(s)
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Spikes with Astro-Amici Prisms
I see spikes on bright objects - is my prism defective? Concerning Amici prisms, there are two factors which can limit the use for astronomy. The first one is the optical quality, i.e. how good is the alignment of the optical surfaces. Most Amicis are made for terrestrial use, where our atmosphere limits the useable magnification to ca. 60x or 70x, anyway. So, it's fine if they don't show a double image up to ca. 100x, as such high magnifications can't be used. Those prisms which are designed for astronomical use are designed for those magnifications which we can use for the night sky – ca. 300x or even more. This high precision makes our Astro-Amici star diagonals so expensive. But all Amici-prisms – no matter how good they are – suffer from one design feature: There is a line going through the center of the image, where both sides of the prism surfaces com together. This may cause reflections or spikes. To some extent, this will always happen when a bright object like a star is viewed in front of a dark background like the night sky. This should be obvious only with very bright stars or planets, while... -
Overview and Recommended Use: Baader Star Diagonals
The most versatile tools: Baader Star Diagonals (T-2 and 2") Manual and Recommended Use A Baader star diagonal (both prisms and mirrors) can show you impressive images for a lifetime and offers more connection and configuration options than standard star diagonals. Baader Planetarium's star diagonals not only offer the highest mechanical and optical quality, but also have the additional advantage of being part of a large, modular system. They enable very short adaptations as well as threads for direct connections to a telescope or a Baader focuser, as well as adaptation to a wide range of threads for torsion-free use with heavy or long accessories, such as binoviewers. Decades of customer feedback led Baader Planetarium to create a seemingly overwhelming amount of adapters. But each adapter has its purpose. This is the reason why you can always find the optical length of each part in the product description, so that you can find the best solution for your needs. To get the most out of them, we recommend that you spend a few minutes reading this brochure. On the following pages you will find a guide on how to choose coating and star diagonal type an overview of the different...
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Additional Information
| Manufacturer | Baader Planetarium |
|---|---|
| SKU (#) | 2956150 |
| EAN Code | 4047825007636 |
| Net weight (kg) | 0.16 |
| Optical Design | Erecting Prism |
| Inner Connection (lens sided) | Thread, 1,4"(35mm) |
| Outer Connection (lens sided) | Barrel, 1¼" |
| Inner Connection (eyepiece/-camera-sided) | Clamp, 1¼" |
| Reflection surface | Total reflection |
| AR-Coating | Multi-Coated (MC) |
| Image Orientation | Erect image, Non-reversed |
| Optical length (mm) | 99 |
| Clamping System | Screw clamps |
| Deflection angle | 45° |
| Inner Diameter / Clear Aperture (mm) | 24 |
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