CK's Lens Post: Vello Nikon F to Sony NEX Autofocus Adapter - First Impression

Started Jul 18, 2017 | Discussions thread
MOD Tom Caldwell Forum Pro • Posts: 38,437
Review is appreciated

CK,

Thanks for being a pioneer and passing your astute observations along.  The tripod mount shape and crackle paint finish scream "Commlite" and "Jintu" associations.  I would suspect that the Vello comes from a close source.

Nevertheless you have shown that it is probably just as difficult (probably more so) to develop a working oem competitive electronic Nikon adapter to a Mirrorless mount system.

It has taken quite a few years for Metabones (and others) to fully understand the Canon EF electronics over a wide range of lenses made and developed over a considerable number of years.  The manufacturer can digress, change, and improve their product over the years in full understanding of what they are doing and in control of their technical environment.  It must be a magical mystery tour for those trying to follow and re-create the twists and turns in a laboratory.  And so many lenses were made ... there are still some issues with EF lenses after years of refining - but the remaining difficulties are now much smaller (almost gone).

Welcome to the slow evolution of a Nikon AF adapter ...

Just a query - does this adapter support a full electronic interface between the Sony body and the lens?  If so it is a reasonable big step forward just to get full electonics and MF alone.

I have become interested in "cheap" MF-only Jintu electronic adapters EF to M4/3.  These must be preferred as the affordable way to obtain control of the lens electronics including aperture control from M4/3 and Sony E/FE bodies when using EF lenses.  Much better than the alternative and just as costly manual iris types which are otherwise completely dumb and locate the iris in the incorrect position.

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Tom Caldwell

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