Macro rail

I bought a budget macro rail / macro focusing rail online not too long ago and have been testing it out for the last few natural light macro/close up outings. Here's what I think.

 
Macro focusing rail attached to my tripod collar / mount ring of my  Sigma 150 F2.8, non OS, and tripod/camera mounting plate fastened to the rail. This is a budget model so the movement is not perfectly smooth. Also

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UV Flashlights Comparison

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