Baader Hyperion Finetuning-Ring 28

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Focal lengths Fine Tuning for Hyperion eyepieces (all focal lengths) Optical path length 28mm Spacer rings fit between the negative lens and the 2 "barrel, so that it matches the r espective eyepiece to your needs. The 13 mm eyepiece transform e.g. no loss of quality in a 9- or 11 mm eyepiece. MANUFACTURER Baader Planetarium SKU (#) 2958228 WEIGHT (KG) 0.052 OPTICAL TUBE LENGTH 28 INNER DIAMETER / CLEAR APERTURE (MM) 45 OUTER DIAMETER 2" (50,8mm) INNER CONNECTION (LENS SIDED) Thread, M48 OUTER CONNECTION (LENS SIDED) Barrel, 2" INNER CONNECTION (EYEPIECE/-CAMERA-SIDED) Barrel, 2" OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread, M48 ADAPTABLE TO Not suitable for Morpheus® 76° eyepieces COMPATIBLE BRANDS Baader Planetarium TYPE OF ADAPTER Extension Show more