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High Quality 127 mm ED Apo by Explore Scientific.
The optical design shows a polystrehl value of 0,97, indicating a level of correction that is absolutely top of the line.
The three-lens design of the EXPLORE SCIENTIFIC ED-Apochromats provides everything an amateur astronomer desires - at a reasonable price.
The three-lens design of the EXPLORE SCIENTIFIC ED-Apochromats provides everything an amateur astronomer desires - at a reasonable price.
Because of the extra long focal length ratio F/13.2 this telescope offers incredible sharpness and contrast but extremly low color-aberration.
Omegon 121mm/678mm Quintuplet Apochromat, flat field and 4" focuser
For better quality photos: The large 140mm triplet with two ED lenses
Five lenses, two times ED and a flat field that everyone marvels at
High-quality APO refractor for photographic applications
High-quality APO refractor for photographic applications
Für außergewöhnliche Fotos. 94mm Triplet-Apochromat mit zwei ED-Linsen
Perfect for wide field observations as well as observations of moon and planets at high magnifications