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Lunt Etalons are precision crafted at our manufacturing facility in Tucson, Arizona. We start with precision cut UV grade Fused Silica blanks that we purchase from a glass supplier in Massachusetts. We use UV grade due to the higher specifications that UV grade material has for reduced bubbles [...]
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Instrument: SPEX 1.26M Monochrometer   Here is an image of one of our Etalons taken by an independent lab. Specifications: Lunt Solar 50mm Etalon Center Wavelength: 656.28nm Peak Transmission: 79.89% Bandwidth: 0.7 Angstroms (FWHM) FSR: 12.5 Angstroms Our etalons were [...]
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Lunt Solar products are a lot more than the specification that you see when comparing manufacturers. Lunt was started in 2007. Lunt had the advantage of being able to completely re-invent the Solar Telescope from the ground up. We were able to improve on issues that we had seen in previous [...]
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Step 1: Getting Started This guide will take you through the steps of building a Solar Telescope that fits your viewing expectations (whether they be Visual or Imaging or both) to your budget while answering the most common questions (along the way) about the various choices and the reasons [...]
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If you have an interest in getting into Solar Astronomy you probably have a lot of questions, and while searching through the online forums for answers is a good place to start, you will have to navigate the personal opinions and the facts. It is important to have a basic understanding of how [...]
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We were super excited to host our visitors from GEOASTRORV. Check out this portion of their article about their visit, and be sure to visit their page the full Article on geoastrorv.com. GEOASTRORV - Our Geology and Astronomy RV Journey Last fall, we purchased a Lunt 152THa solar [...]