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Home > Classifieds > Astromart Classifieds > Antiques ASTRO ONLY > Classified #179279

For Sale: Criterion Dynascope 4" Reflector (Sale Pending) Thanks to all who responded)

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Dynascope by Criterion 4" f/11 reflector. All equipment is original. Criterion equatorial mount with manual dec slo motion, achromatic finder (5X20) with twin ring mount, solid brass rack & pinion focuser, hardwood tripod, 2 AR (achromatic ramsden) eyepieces 18 mm & 9 mm for 62X & 124X, respectively. Scope gives excellent images. Criterion used to advertise the mirror optics as "parabolic", but I'm sure it's a spherical mirror, which at f/11 has about a 1/8th wave rating. $150 shipped, OBO.

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