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INON Mount

All INON port series employ an optical glass lens with multi-coating

A multi-coating optical glass lens is totally different from a simple water-proof glass and is required highest homogeneity and transmissivity, precised refractive index and dispersing property to pursue sharp and clear images after clearing strict quality control including;

  • Well selected material
  • Prolonged polishing in manufacturing
  • Optical performance test

The multi-coating prevents decrease of permeable light to suppress ghost, flare caused by surface reflection.
A lens port without multi-coating will loose approximately 5% of total transmitted light by reflection due to difference of refractive index between air and a lens at inner surface of the lens.
Also inside of the lens port will cause ghost or flare by inner reflection.
So using a lens port without multi-coating or not using optical glass will inevitably lead to images, especially wide images with whity color tone or less sharpness especially just below surface in backlit.

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INON MRS Control Ring 60 / 60II / 100UII / 100UIII / Olympus 50
INON Control Ring for MRS60 Port, MRS100 Port Type UII, MRS100 Port Type UIII and MRS Olympus 50 Por..
INON Extension Ring 36 (36mm)
Compatible with Kenko teleconverter Teleplus MC7 AF 2.0X DGX for Canon EOS or 2X Teleplus MC7 D..


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