Focal reducer 0,5x 1,25 with filter thread extras opinie

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Focal reducer 0.5x 1.25 "inch with thread filter - a necessary addition to most CCD cameras and a very useful addition to the long-telescope (MAK, ACF, Schmidt - Cassegrain, refractors)

• reducer allows to shorten the focal length by a factor of 2, i.e. from the telescope of / 10 does f / 5, or from a focal length of 1000mm does 500mm
• allows you to shorten the exposure time by astrophotography 4 times
• the 0.5x focus reducer increases the observation / photograph area by a factor of 4
• a wider shooting area allows you to shoot larger areas of the sky and objects with larger angular dimensions
• fully covered with layers of two-lens optics in cell made of anodized aluminum screwed in camera adapter, into the eyepatch filter thread or filter thread projection connector
• construction: two elements, glued

The focal length reducer connects to the eyepiece as well as the eyepiece filters, i.e. screwing in the eyepiece: