| Carrier | Description | Estimated Delivery | ||
|---|---|---|---|---|
 |
Home delivery - International | Home delivery - International |
Friday, 4 October - Friday, 11 October |
|
Home delivery - International
Home delivery - International
Estimated delivery:
Friday, 4 October - Friday, 11 October
The apochromatic ED refracting tubes of theBLACK DIAMONDseries from SKYWATCHER represent a range of refracting astronomical telescopes with a fairly well corrected field and with a highly corrected chromatic aberration. Their low dispersion ED optics allow light to refract through the lens so that the light beam does not scatter much (does not open up) and therefore the image definition is greatly increased. SKYWATCHER BLACK DIAMOND refractors are constructed with a two-element air-spaced objective lens. The second objective element is constructed with the high quality fluorized glass FPL-53 (O'HARA version).
The ED optics of the BLACK DIAMOND refractor telescopes are made of SCHOTT glass. This combines the efforts of two market leaders, Synta as a manufacturer of astronomical telescopes and SCHOTT as the world's leading manufacturer of the highest quality optical glass.
Technical Specifications tube:
Optical Design: Apochromatic Refractor
Diameter: 80mm
Focal Length: 600mm
Focal Ratio: f/7.5
Maximum recommended magnification: 160x
Stellar Magnitude Limit: 11.6
Resolving Power: 1.5 arcseconds
Eyepiece holder: 2" (with 1.25" adapter)
DS DUAL SPEED precision focuser.
Tube dimensions: 116 x 580mm
Weight: 3.21Kg
Eyepieces: 28mm
Prism: Diagonal 2" with 1.25" adapter
Finder: 9X50mm straight
Includes: Carrying case.
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