William Optics Diffraction Spikes Masque de mise au point Bahtinov pour télescopes Dew Shield (BM-DS-GR)
William Optics Diffraction Spikes Masque de mise au point Bahtinov pour télescopes Dew Shield (BM-DS-GR)
Option de plage de diamètre - 75mm-110mm (BM-DS-GR45)
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Description du produit
La nouvelle feuille acrylique optique offre 92 % de transmission de la lumière qui vous a donné les pointes de diffraction les plus élevées et les plus lumineuses pour la mise au point.
Il est environ 3 fois plus brillant que le type de métal traditionnel.
Métal traditionnel vs feuille optique
