CHAPTER 1. DISCOVER YOUR ALPY 600
Description Value Unit Comment
Dimension Alpy 600 mm See drawing below
Weight 200 g with 1,25” nosepiece & without CCD camera
Resolution Power (R) @ 650nm ~600 - with 25µm slit
Resolution Power (R) @ 450nm ~400 - with 25µm slit
Spectral domain 370 - 750 nm
CCD min length 8.5 mm if smaller, only a partial spectrum is visible
Optical dispersing element Grism - grating + prism
Grating density 600 l/mm
Typical spectral dispersion 480 Å/mm
Input beam F-ratio F/4 - Telescope beam can be from F/4 to F/10
(optimal luminosity performance is at F/5)
Slit width (standard) 25 µm also included : hole 3mm, slit 300µm,
100µm 50µm, hole 25µm
Slit length 3 mm except for hole 25µm
Mechanical interface M42 x 0.75
thread
- Standard T-mount (or T2)
Table 1.1: Alpy 600 specifications
Figure 1.1: Alpy 600 dimensions (in mm)
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