Manual focus issues with rx10 m4

Discussion in 'Sony Cameras' started by ralph isaacs, Sep 30, 2018.

  1. ralph isaacs

    ralph isaacs TPF Noob!

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    I'm using manual focus for dark sky photography without a telescope. I've turned off manual focus assist as it is inappropriate. The scale that appears when adjusting the focus ring is wildly out of calibtration. For instance if set to infinity, a bright star appears doubled. I'm resorting to taking an illuminated resolution target with me, focussing on that in a high telemode. Then I tape down the focus ring and go to lower zoom lengths, example 24mm equiv for milky way and 200 mm for nebulae. If I power off, I have to redo the focussing procedure. Am I missing anything?


     

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