ASA Electronics 0200630A, Руководство пользователя

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AZ800 user manual - hardware
Created by: MPuchner 07.2019
version: 9600021A
Original user manual
page 16 of 68 printed: 04.03.2020
2.5 Optical specifications
Guaranteed surface quality
λ/24 RMS wave front accuracy (>90% Strehl)
A quality certificate including an interferogram comes with the telescope.
If you want to learn more about ASA’s optics manufacturing and outstanding testing methods click here .
Focal length 5476mm
f-number 6.8
optical Diameter ≥ 800mm
Mirror Material Fused Silica (JGS2 Quartz), ultra-low thermal expansion 0.55e-6/°C
Image scale 37.67 ” per mm
2.6 Backfocus
The following figure describes the position of the optical focus for each of the nasmyth focus ports.
Figure 4 - backfocus for nasmyth ports [mm]