Flaming Nebula & SONY E-mount Adapter

This is an another image taken with BORG 90FL/new reducer + SONY A7H.

ic40510 x 5 minutes at ISO1000 with IDAS LPS-V4 filter, dark/flat applied

Finally all of parts for SONY are commercially available.


E-mount ring is replaced with an original bayonet ring. This ways most likely eliminates the possible reflection and vignetting issues due to the limit of E-mount opening. This mounting ring maximizes the effective aperture inside for full frame sensor.
eef1Taper holder is directly set onto a body. EF adapter allows to set CANON EF lens and 52mm IDAS filters(48mm one is also available. 52/48mm Stepping ring can’t be used because of no space for it). One extra benefit is this adapter system works as camera rotator too. The biggest advantage in this filter system is to allow to use IDAS filter for SONY with wide-angle lens.


~ by tedishikawa on December 26, 2014.

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