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Topics - fotofool

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Lenses / Stacking drop-in filters?
« on: October 12, 2014, 11:11:49 PM »
Lately I've been shooting motorsports with my 200 f/2.  I've found that, to get the look I want, I need to use a polarizer (to manage glare) and a slow shutter speed (for motion blur of the background and spinning wheels).

So, what I want is both a CPL and an ND filter.

The problem is, there doesn't appear to be room in the slot for drop in filters to stack filters.  And the Canon drop in CPL doesn't have threads to hold another filter anyway.

Does anyone know of a solution to achieve both polarizing filtering and additional ND filtering in a Canon super-tele?


EOS-M / EOS-M with Rokinon 300mm EF-M lens
« on: July 01, 2014, 12:07:24 AM »
I just got the new Rokinon 300mm EF-M lens.

When I go on landscape trips I carry my Leica with a couple wide primes.  I use the EOS-M with Leica lens adapter as a small/light back-up camera.  I want to have a wildlife lens for those occasions when a great shot presents itself, but there is no way I'm going to carry a conventional long telephoto.  This little mirror lens for the EOS-M seemed like a great option so I gave it a try.  I took it out shooting this afternoon for the first time.  I found that, to focus effectively (it is manual focus) I had to press my Hoodman loupe to the screen and treat it as a viewfinder.  Not very elegant, but it works.

I was really surprised by the clarity and character of this simple lens.  It can't handle a bright back ground (strong flare and loss of contrast) and it needs a little adjustment in ACR to boost the contrast even in the best light.  Also I found the colors very muted but a custom color profile with a color checker passport completely resolved that.

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