adapter ring
1)High precision (Ai) to EF
Minimum Order Quantity: 20 Piece/Pieces
Supply Ability: 500 Piece/Pieces per Week
Payment Terms: T/T,Western Union
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Product description
High precision Nikon (Ai) turn EOS(adapter ring)
in order to make you more in-depth understanding of the working principle of autofocus chip in this I explain:
The first on the fuselage of electricity to detect when it has been installed
The second at work to provide the data in the fuselage focus to signal the position and feedback
When in use manual camera used as a bad the lens of the motor as press shutter half Canon lens focusing ring to the appropriate position twisting together. Has scorched
So this ring is not influence after the installation of metering and focus machine etc. Function and more focus lens in manual can achieve such as two to one point will focus together with automatic camera lights as convenient as direct exchange lenses
Electronic focus lens no assistant, manual distressed!
In the era of digital photography into today, more and more people chase the ancient manual lens photography, in their view of manual camera is really to spend money on the edge, fine workmanship, imagination, the imaging result invincible cost-effective became the first player relish manually, they treat as a group of alternative, but it was the beginning of a happy, because only in one