Olympus OM-D EM-5 Discussion

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1 Sep 2012 - 2:13 AM

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StrayCat (e2 Member)

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1 Sep 2012 - 7:10 AM

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Thankyou Brian, taken this evening at the bird sanctuary. There was a bald eagle with a fledgling there this evening, but I could only get a distant shot of the adult.

Carabosse (e2 Member)

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1 Sep 2012 - 6:20 PM

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Well, Olympus are, on the face of it anyway, being rather brave: they have issued a challenge at Photokina - story here.

Basically you can put any DSLR up against the E-M5. Presumably they are confident the E-M5 can match or beat it?

What if someone turns up with a Nikon D4 or Canon 1D X. Lol!

Carabosse (e2 Member)

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1 Sep 2012 - 7:55 PM

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A0-sized prints: 47" x 33" prints............... which will no doubt be inspected very closely............ a bit like pixel-peeping.

StrayCat (e2 Member)

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1 Sep 2012 - 8:17 PM

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The colour version of the above B&W.

brian1208 (e2 Member)

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1 Sep 2012 - 8:58 PM

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I've been looking through more of my pictures and a pattern is emerging regarding what the EM-5 likes to AF on and what it doesn't.

No real suprises considering it uses Contrast Detection focus but it may be of use to someone else:

AF friendly:

- Contrasting blocks of colour such as the Red Arrows against any sort of sky (it was getting almost instant lock on solitary Arrows even at maximum zoom and extreme distance)

- Linear patterns, such as the black + white lines on the underside of one of the WW2 fighters at Bournemouth (Seafire?). A Spitfire in camouflage + this plane with the stripes came over in formation, high above the house. Instant lock on the B&W striped job but it couldn't find the Spitfire

- sharp edges as with the Lynx and Tornados, it was able to lock onto the Tornados very quickly even against grey cloud and at high speed (made even easier when the afterburners were lit )

AF unfriendly:

- bright colours but with random patterns, like Misdemeanour this one did suprise me

- smooth rounded shapes, like the Hurricane, made worse by

- drab low contrast colours and

- camouflage paintwork (this one is so obvious) yet even though the eye can see the plane clearly the EM5 really struggled with it

- any colour against a bright grey sky (apart from the Red of the Arrows and the bright orange of the Breitlings) yet the sharp profile of the Tornado overcame this to a large extent

brian1208 (e2 Member)

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1 Sep 2012 - 10:07 PM

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Thanks Paul, I had picked that up from somwhere or other and that's how I have the system set for these shots. I also read that having the colour set to Vivid is also supposed to help but I haven't tried that yet.

One thing that I've yet to sort out is shooting in Shutter Priority with this combo, without sticking an ND filter on the 75-300 (don't have a 58mm one yet) I was was running out of aperture to get slower shutter speeds (f22+ was needed for 1/250th when shooting against the sky) so I shot the entire show in Aperture mode and just put up with the high shutter speeds.

Even if I could have got higher f-nos I believe that the diffraction associated with working at much above f16 gets quite bad (the sweet spot with my lens seems to be around f8)