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High end refractor telescope sale: APQ fluorite discounts

Wednesday, December 3, 2025 by Austin Harris

APQ has adjusted pricing on its line of fluorite polychromat refractors, covering six models with apertures from 100 mm to 200 mm. The series spans compact wide-field instruments to larger refractors built for detailed visual and imaging applications. Each model uses an oil-spaced, multi-lens object...

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TEC Yellow Submarine updates

Thursday, December 14, 2023 by Richard Harris

The newly released update to the classic TEC APO160FL “Yellow Submarine” offers a refractor telescope with 160 mm free aperture and 1760 mm focal length. This updated f/11 version introduces key design changes to optimize color correction offering an apochromatic doublet lens with a fluo...

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