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Lhires III ºÐ±¤±â
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Lhires III is a very high resolution spectrograph designed for amateur and educational astronomy. Numerous projects are within reach thanks to the technology involved in this instrument. Professional/amateur collaborations have been done with Lhires III spectrographs.

* power of resolution R ~18000
* resolution of 0.035nm near Halpha
* wavelength selected by micrometer
* mirror slit 15-35µm, reflective for guiding
(other slits available in option)
* Schmidt-Cassegrain telescope adapter delivered in standard (two inch available)


 * NEW: internal argon-neon or neon lamp for calibration
* NEW: internal tungsten for flat
* NEW: motorised calibration for remote operations
* NEW: improved C-mount guiding port (focal ratio: 0.8x)
The guiding camera backfocus range is 15.5mm to 21mm with a C-thread (1inch diameter, 32 threads per inch).


* switchable grating modules (2400 gr/mm in standard; 1800 gr/mm, 1200 gr/mm, 600 gr/mm, 300 gr/mm and 150 gr/mm in option)
* possibility to put an eyepiece
* photo tripod adapter available for public outreach (visual solar spectrum)

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