Takahashi TOA 130 and 150
Spot diagrams of Takahashi TOA 150 in near-UV (393 nm) - Source : Takahashi
Spot diagrams of Takahashi TOA 130 in near-UV (393 nm)
According to the approximate OSLO
model, the Takahashi TOA 130 is diffraction limited at 393 nm up to
0.258° (= 4.5 mm) away from the optical axis. This is enough
to cover the solar disk:
Spot diagram up to 10 mm from optial axis at 393 nm:
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