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  Previous versions of JohnJ's message #11262654 « Flare spot (hot spot) with Mamiya 120/4 »

  

JohnJ
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Flare spot (hot spot) with Mamiya 120/4


I've come across a few flare spots with various lenses. A pox on them. Found this flare spot with the Mamiya A 120/4, on a 5D2 with Mirex adapter. The flare spot, or hot spot, can bee seen fairly clearly in the gifs below. This might depend on magnification too. Note that this test was a high contrast scenario where the black subject is on a white background, a situation likely to provoke flare.

F4 and F32 only. The round spot in the centre of the F32 image is a flare spot.






This gif shows every aperture, F4 all the way to F32, and it can be seen that the flare spot is really only visible at F16 and smaller.






I use this lens all the time and have never noticed this although I tend not to stop it down very much.



Jan 12, 2013 at 12:14 PM



  Previous versions of JohnJ's message #11262654 « Flare spot (hot spot) with Mamiya 120/4 »