:Observing wavelength|360 - 1000nm
:Reciprocal resolution|65,000 for 0.76 arcsec slit width.100,000 was achieved when the slit width was 0.38 arcsec.
:Detector|CCD:13.5μm square pixel, 2048x4096 pixels
:Collimator|off-axis parabola (D=100mm, FL=2850mm)
:Camera|spherical lens system (D=200mm, FL=855mm)
:Echelle grating|31.6 gr/mm (R=2.14, θbl=65°),ruled area|254mmx128mm, Zerodur used with ε=3.6°, γ=8°
:Echelle grating|31.6 gr/mm (R=2.14, θbl=65°),ruled area|254mmx128mm, Zerodur used with ε=3.6°, γ=8°.
:Cross-disperser|
(1).250 gr/mm (red), λbl=700nm, θbl=5.0°, (2).400 gr/mm (blue), λbl=415nm, θbl=4.76°, ruled area: 150mmx210mm, Zerodur for both, used with ε=0°, γ=45°for both
(1).250 gr/mm (red), λbl=700nm, θbl=5.0°, (2).400 gr/mm (blue), λbl=415nm, θbl=4.76°, ruled area: 150mmx210mm, Zerodur for both, used with ε=0°, γ=45°for both.
:System efficiency|3%@500nm
:Limiting magnitude|~12mag at V-band
