On the K5 I find the AF works just fine with any of my lenses. Seldom
hunts. I use single point, spot focus. With situations like the Grey
Warbler you are more or less forced into MF - too much extraneous stuff
in the way.
Alan C
On 02-Apr-21 04:46 AM, David Mann wrote:
I did a bit of testing with the AF this morning, with fairly mixed results. In
my frustration I had thought the K10D had been better with that lens so I tried
it with both cameras. The K5ii is better but both cameras seemed to get
confused at times.
I can't quite put my finger on it just yet - strongly backlit subjects seem to
cause some issues. They'd both focus just fine on darker / lower-contrast
areas of the garden but sometimes they just wouldn't lock, often on bushy trees
with small leaves. It may just be the 3D nature of the subject making things
difficult.
I tested both cameras with just the central point.
The K5ii is definitely better at knowing which direction to move the focus. My
K10D nearly found itself at the bottom of a cliff at Norfolk Island because of
that.
I still wish there was a focus limiter on these long lenses so when they do
hunt it wouldn't take so long.
Cheers,
Dave
On Apr 2, 2021, at 2:08 AM, ann sanfedele <ann...@nyc.rr.com> wrote:
Looks like you did just fine! cute little guy.... If I were out shooting I'd
try your auto-select trick - or maybe inside in low light when Ashley does
something cute. the autor focus on the K-5 is pretty awful
ann
On 4/1/2021 3:47 AM, David Mann wrote:
A grey warbler came to visit our garden this evening. They're a very small
bird, smaller than a sparrow. And they don't really stop moving. You usually
hear them instead of seeing them (they have a wonderful song).
These aren't amazing but they're the best I managed to get from 22 photos.
Both are very heavy crops, shot at 3200ISO so there's also a bit of noise.
http://gallery.multi.net.nz/photo/1108/#peso
http://gallery.multi.net.nz/photo/1109/#peso
Pentax K5ii, FA*400mm f/5.6, both 1/500 at f/9.5 handheld.
This AF with this camera/lens combination is terrible for little birds. The
only way I can get it to lock on anything but the most obvious targets is to
let it auto-select its AF point. In that case it'll focus on any old thing and
it's a lottery as to whether your subject is actually in focus. But at least
it mostly stops hunting.
Cheers,
Dave
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