Evostar 72 APO Refractor - SKU# S11180

by Sky-Watcher
$490.00
  • 72 mm apochromatic refractor with matched lens assembly with one ED element
  • 420 mm focal length (f/5.8)
  • Dual-speed 2” Crayford-type focuser
  • Tube-ring attachment hardware with V-style dovetail plate
  • Aluminum case

Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography.

Specifications

SKU S11180
UPC 050234111805
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)

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