BA2459260


in stock
in stock

SolarSpectrum Research Grade H-alpha 0.4x Telecompressor 2"


273,11 EUR
excl. VAT
excl. 4,65 € Shipping costs

 

SolarSpectrum Research Grade H-alpha 0.4x Telecompressor 2"


The telecompressor reduces the focal length of the light beam coming out of the filter, therefore a much larger portion of the solar surface comes into view.

♦ Alike the TZ-3 telecentric, also the RG 0.4x Telecompressor features 46 mm clear aperture throughout, perfectly suitable even for large SolarSpectrum RG46 Research Grade H-alpha Filters

♦ 74 mm focal length, optimized for videography and full solar disc imaging. Ø 16 mm corrected image field in conjunction with the TZ-3

♦ mounts straight onto the body of the SolarSpectrum filter and reduces f/30 f/ratio back to f/10, thanks to the factor of 0.4

♦ 2" male threads on both sides, fitting the SolarSpectrum Universal Flange Adapter #2958240 (included as standard on both sides of the SolarSpectrum H-alpha filters)

♦ The RG 0.4x Telecompressor serves to adjust the focal length in order to improve poor seeing conditions and / or to enlarge the field of view for photographic or lucky imaging applications


 
 

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