Explore Scientific ED80 FCD1

1,099.95 $

Explore Scientific uses ED (Extra-low Dispersion) FCD1 (Dense Fluor Crown) glass developed by Hoya Optical of Japan to enable the production of lenses that offer superior sharpness and color correction by minimizing the color dispersion (chromatic aberration, or the “false” color fringing seen around bright objects that happens when light rays pass through standard crown-and-flint doublet objectives). This glass type offers a more durable and long lasting solution to produce an optic to minimize chromatic aberration over delicate fluorite crystal objectives that are prone to fracturing and absorbing moisture.

Standard Hardware:
-Retractable Dew Shield
-Front and Rear Dust Covers
-Universal Saddle Plate
-Two-Speed Focuser 2.0″ I.D.
-2.0″ 99% Reflective, Dielectric-Coated, Mirror Diagonal with 1.25 ” Adapter

-Clear Aperture: 80mm
-Focal Length: 480mm
-Focal Ratio: f/6
-Resolving Power: 1.45 arc seconds
-Coatings: EMD™ (Enhanced Multilayer Deposition) Coatings
-Limiting Stellar Magnitude: 12
-Maximum Practical Visual Power: 315x
-Lowest Useful Visual Power: 12x Finder NOT INCLUDED

SKU: 01EXP00001 Category:

Description

Explore Scientific uses ED (Extra-low Dispersion) FCD1 (Dense Fluor Crown) glass developed by Hoya Optical of Japan to enable the production of lenses that offer superior sharpness and color correction by minimizing the color dispersion (chromatic aberration, or the “false” color fringing seen around bright objects that happens when light rays pass through standard crown-and-flint doublet objectives). This glass type offers a more durable and long lasting solution to produce an optic to minimize chromatic aberration over delicate fluorite crystal objectives that are prone to fracturing and absorbing moisture.

Standard Hardware:
-Retractable Dew Shield
-Front and Rear Dust Covers
-Universal Saddle Plate
-Two-Speed Focuser 2.0″ I.D.
-2.0″ 99% Reflective, Dielectric-Coated, Mirror Diagonal with 1.25 ” Adapter

-Clear Aperture: 80mm
-Focal Length: 480mm
-Focal Ratio: f/6
-Resolving Power: 1.45 arc seconds
-Coatings: EMD™ (Enhanced Multilayer Deposition) Coatings
-Limiting Stellar Magnitude: 12
-Maximum Practical Visual Power: 315x
-Lowest Useful Visual Power: 12x

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