{"id":16198,"date":"2025-07-19T16:23:45","date_gmt":"2025-07-19T14:23:45","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=16198"},"modified":"2026-03-03T20:25:07","modified_gmt":"2026-03-03T19:25:07","slug":"omegon-66-400-pro-apo-ed-ota","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/omegon-66-400-pro-apo-ed-ota\/","title":{"rendered":"Omegon 66\/400 Pro APO ED OTA"},"content":{"rendered":"

The Omegon 66\/400 Pro APO is a compact, high-performance ED refractor for those who combine mobility and optical precision. At just 1.6 kg, this apochromatic is perfect for astrophotographers traveling or looking for an ultra-widefield system for stargazing. Thanks to the use of FPL-53 glass, this telescope delivers razor-sharp images - without chromatic aberration.<\/p>\n\n\n\n

\u2713 ED lens with FPL-53 glass for color error-free images
\u2713 Only 1.6 kg - perfect for travel or trackers like Star Adventurer
\u2713 2\u2033 Crayford focuser with fine adjustment and 360\u00b0 rotation
\u2713 Also suitable for nature observation or solar use (with filter)
\u2713 All-metal construction, compact and robust<\/p>\n\n\n\n

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The 66 mm aperture and 400 mm focal length (f\/6) make this a very bright system. Combined with a flattener or reducer, you capture impressive widefield deep-sky images on DSLR or CMOS camera - without vignetting.<\/p>\n\n\n\n

Technical specifications<\/h3>\n\n\n\n
Feature<\/th>Value<\/th><\/tr><\/thead>
Type<\/strong><\/td>Refractor<\/td><\/tr>
Optical design<\/strong><\/td>Doublet Apochromatic<\/td><\/tr>
Glass<\/strong><\/td>FPL-53 ED<\/td><\/tr>
Opening<\/strong><\/td>66 mm<\/td><\/tr>
Focal length<\/strong><\/td>400 mm<\/td><\/tr>
Opening ratio<\/strong><\/td>f\/6<\/td><\/tr>
Max. magnification<\/strong><\/td>132x<\/td><\/tr>
Focuser<\/strong><\/td>2\u2033 Crayford with 1:10 reduction, 360\u00b0 rotatable<\/td><\/tr>
Connections<\/strong><\/td>2\u2033, 1.25\u2033, T2 thread<\/td><\/tr>
Tube length<\/strong><\/td>approx. 31 cm (retracted)<\/td><\/tr>
Tubular material<\/strong><\/td>Aluminum<\/td><\/tr>
OTA weight<\/strong><\/td>approx. 1.6 kg<\/td><\/tr>
Accessories<\/strong><\/td>2 tube clamps, dovetail, transport case<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Application and use<\/h3>\n\n\n\n

This apochromatic excels in:<\/p>\n\n\n\n