11" Starmaster E.L.
Starlight Instruments Feathertouch Focuser
Rigel Systems Quick Finder
Tectron Collimation Tools
Focal length: 60.1
Focal Ratio: 5.47
Eyepiece height is 63" when pointed at the zenith
Zambuto Mirror data:
Relative Transverse Aberration 0.26
Peak to Valley Wavefront 1/34.0
Wavefront RMS 1/91
Strehl Ratio 0.995
Scope has only been used a few times.
Mint condition. Always stored indoors. Mirror never cleaned.
Comes with original documents & packaging.
Will sell without collimation tools if not required.
Can deliver or meet to a reasonable distance from Chicago or ship at buyers expense.
Scope was purchased July 31, 2001 (original / only owner)
A comparable new ELT delivered would cost:
Feathertouch upgrade $ 195
Collimation tools $ 110
Shipping $ 145