Sky-Watcher’s Evostar apochromatic doublet refractors are the perfect blend of superior extra-low dispersion glass and affordability.
Key features:
$799.00 Original price was: $799.00.$399.00Current price is: $399.00. inc GST
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Add to cartThe Evostar 72ED refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack-sharp stars with charcoal-black, contrast-rich skies. All ED glass elements are fluorite-based and feature our proprietary Metallic High-Transmission Coatings™ (MHTC™), virtually eliminating all false color while the internal baffle helps prevent stray light from affecting your photography. Like the optics, the tube is beautifully crafted using aluminum and finished with a black diamond metal-flake finish.
Using a doublet refractor instead of a triplet has some advantages: less glass means less weight, less weight means a less expensive telescope, so you can dedicate more money for your camera or laptop while benefiting from a lightweight astrophotography rig.
The Evostar 72ED comes in a foam-lined aluminum case with tube rings and a V-style dovetail plate.
Optical Info | |
---|---|
Optical Design | ED Doublet |
Lens Coatings | Fully Multi-Coated |
True Aperture (mm) | 72 |
Primary Aperture (mm) | 72 |
F/Ratio | 5.9 |
Focal Length (mm) | 420 |
Observational Info | |
Dawes Limit | 1.61 |
Rayleigh Limit | 1.94 |
Limiting Mag. | 11.7 |
Minimum Magnification | 10 |
Maximum Magnification | 142 |
General Info | |
Focuser | 2″ Dual Speed Crayford |
OTA Length (Retract/Ext.) | 16.5″ |
OTA Outer Diameter | 3.5″ |
OTA Weight (with accessories) | 4.3 |
Accessories | |
Mounting Accessories | Rings/V-Rail |
Included Case | Yes |
Corrector | No (optional) |