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an astroimager no longer needs to be physically near the telescope to focus an image
5mm thick)
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"I was sufficiently confident in the design and purposely decided to attach my name to the zoom
Photron 8 inch Ritchey-Chretien (RC8) Autoguider an astroimager no longer needsOptical tube ONLY. This is not a beginner telescope. No diagonal, eyepieces, mount, or other accessories. The iOptron Photron Ritchey Chretien design telescopes, feature low thermal expansion quartz primary and secondary mirrors with ninety nine percent reflective dielectric coatings. The RC optical design delivers coma, spherical and chromatic aberration free results, perfect for color or monochrome imaging. A fixed position primary mirror eliminates
