Is added adapter similar to extension tube?

Started 3 months ago | Questions thread
grsnovi
OP grsnovi Senior Member • Posts: 1,229
Re: Is added adapter similar to extension tube?

Having used extension tubes in the 1970's I was familiar with the simple mechanical difference in the distance from the lens to the camera. My question was prompted by the possibility of purchasing a new (Sony) camera and the need to use a new (Sony) adapter to use my 8 year old (Sony) lenses. I understand the additional functionality provided by the electrical connections in facilitating AF and AE, what I was curious about was the impact of the added (mechanical) offset between the lens and the body/sensor.

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