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Sky-Watcher Professional ESPRIT 3-Element ED apochromatic refractors are instruments of the highest quality with optical performance rivaling or exceeding similar telescopes of even the most famous high-end telescope brands.
The ESPRIT Super Apo Triplets are designed for the most demanding astro-imagers, for use with the optional M48 field flattener, but are also fine telescopes for visual observations. The premium, superbly-corrected optical systems deliver high-contrast images full of detail and zero detectable color fringing, even on the brightest of objects.
FEATURES:
Optics | |
---|---|
Type: | Refractor |
Type of build: | Apochromatic Triplet |
Aperture (mm): | 80 |
Focal length (mm): | 400 |
Focal ratio: | F/5 |
Max. useful magnification: | 160 x |
Light gathering capacity: | 130 x |
Resolving capacity: | 1.44 |
Limiting stellar magnitude (mag): | 11.3 |
Focuser: | 2.7" Linear Crayford |
General | |
Series: | ESPRIT |
Weight (kg): | 3.97 |
Warranty: | 2 years |
Included accessories | |
Finderscope: | 9 x 50 |
2'' star diagonal: | 90° |
Recommended for: | |
Beginners: | Not recommended |
Intermediate: | Yes |
Advanced: | Yes |
Area of application | |
Nature observation: | No |
Moon & planets: | Yes |
Nebula & galaxies | Yes |
Astrophotography: | Yes |
Sun: | No (only with appropriate Sun filter) |