Leica 90mm f/4 Macro Lens and Macro Adapter M Questions

Started 9 months ago | Questions thread
Godfrey Forum Pro • Posts: 29,509
Re: Leica 90mm f/4 Macro Lens and Macro Adapter M Questions

Just because you can use the lens in its collapsed position with the macro adapter ring installed doesn't mean that you should, regardless of what Leica says is possible.

It is nearly always better (for imaging performance and to minimize potential mechanical interference issues) to use the lens in its fully extended and locked position, and to use a macro adapter ring (or extension tube) with the fully extended lens. An extension tube should be considered a way to increase the close-focus capabilities of a lens, not as a bodge to allow a greater range including infinity focus.

Collapsible lenses are created in order to make the camera smaller and handier for carrying, that's all, not to provide shooting convenience.

G

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