This is a fiber-fed, grating spectrometer with the following stats:
Telescope Coupling: Fiber optic bundle with 30 fibers, each 50 um in diameter.
CCD Camera Compatibility: 1¼ inch diameter bore for your 1¼ inch CCD camera head to eyepiece tube adapter.
Grating: 1200 groove/mm plane.
Resolution: <8 angstroms FWHM with 1200 groove/mm grating.
Additional grating supplied is 300 grooves/mm.
Spectral Range: Adjustable over range of 385 nm to 900 nm with micrometer.
Dispersion: 14nm/mm at H beta.
Spectral Field of View: 95 nm range on chip in one exposure with CCD camera with a KAF-0400 chip.
Sensitivity: 8th magnitude stellar spectra in 20 minutes with a S/N of 10:1 (with a 10-inch telescope and CCD camera
with KAF-0400 chip).
Size: Approx 3 x 4 x 6 inches.
Weight: Approx 5 lbs.
The system is in excellent condition with no functional problems. There are no blemishes other than normal wear from
sliding CCD camera in and out of the unit. In other words, this is in truly excellent condition. This is an advanced
astronomical instrument for those wanting to dive into some very neat research from your back yard or observatory.
I would be happy to email you web links to some of the spectra taken with this instrument.
Asking Price (USA Dollars): $2000.00
New, this sells for $2525.00 with the 300 lpi grating.
Also available is an SBIG ST-237a imager, which I have used with the spectrometer. If interested, I will sell the
ST-237 as well for a nominal package price of $2700.00 Camera comes with 1.25" nose, control box, power supply, and
Buyer pays shipping and insurance. CONUS or local pickup would be best.
Bank Check or Paypal please.
For more information, please contact John Blackwell