A6000- Just picked it up. Question on focus

Started 8 months ago | Discussions
starstreak
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A6000- Just picked it up. Question on focus
8 months ago

Ok, excited to get the camera today (Best Buy pre-order came in yesterday) and I'm shooting a stationary object with the default lens.  I have manual focus point on the object, I'm shooting in A mode at f10 @1/10 and it's about 1.5ft away.  I have anti-shake off, and camera is on the table as I push the shutter.

I HAD a 5n until the screen cracked I could do that same shot and it would be in focus.  I prefocus then click the shot.  The object is slightly blurry.  I tried a few shots and one of 3 shots came out sharp.  I went to F8 and still having same issue.  Am I doing something wrong or forgetting to turn off something?

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ryan92084
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

you say your are using a manual focus point does that mean you are using flexible spot autofocus or manual focus?

assuming the former a few have reported AF-s is less accurate than AF-C for focus (even though it should be the opposite) so give that a try.

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starstreak
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

you say your are using a manual focus point does that mean you are using flexible spot autofocus or manual focus?

assuming the former a few have reported AF-s is less accurate than AF-C for focus (even though it should be the opposite) so give that a try.

I'm using the flexi-spot where you can pick a spot to auto focus. I'll mess with the AF-C/AF-S. Not sure what I have it to.
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NeilJones
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

starstreak wrote:

Ok, excited to get the camera today (Best Buy pre-order came in yesterday) and I'm shooting a stationary object with the default lens. I have manual focus point on the object, I'm shooting in A mode at f10 @1/10 and it's about 1.5ft away. I have anti-shake off, and camera is on the table as I push the shutter.

1/10 shutter speed. Are you for real? Or is this a joke?

I HAD a 5n until the screen cracked I could do that same shot and it would be in focus. I prefocus then click the shot. The object is slightly blurry. I tried a few shots and one of 3 shots came out sharp. I went to F8 and still having same issue. Am I doing something wrong or forgetting to turn off something?

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starstreak
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Re: A6000- Just picked it up. Question on focus
In reply to NeilJones, 8 months ago

Neil- I think that's what the shutter speed was. ISO was 400. At the moment it was just to see how the focus was. Not so much for brightness or subject matter.
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ryan92084
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

starstreak wrote:

Neil- I think that's what the shutter speed was. ISO was 400. At the moment it was just to see how the focus was. Not so much for brightness or subject matter.
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What I think he's trying to get at (and a point I would have made if I had noticed) is that 1/10 isn't a particularly reasonable shutter speed to hand hold without at least some bursting to get one of the shots without motion blur from your own movement.  OSS helps but it doesn't mean you can shoot that slow and expect perfect shots.

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dquangt
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

Ok, excited to get the camera today (Best Buy pre-order came in yesterday) and I'm shooting a stationary object with the default lens.  I have manual focus point on the object, I'm shooting in A mode at f10 @1/10 and it's about 1.5ft away.  I have anti-shake off, and camera is on the table as I push the shutter.

I HAD a 5n until the screen cracked I could do that same shot and it would be in focus.  I prefocus then click the shot.  The object is slightly blurry.  I tried a few shots and one of 3 shots came out sharp.  I went to F8 and still having same issue.  Am I doing something wrong or forgetting to turn off something?

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As Neil pointed out 1/10 is really slow. I didn't see you mention that you are using the timer. I don't think the focus is the issue assuming you focused correctly, it's more like camera shake as you are pushing down the shutter button. Try to use 2 second timer, then get back to us.

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ryan92084
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

ryan92084 wrote:

starstreak wrote:

Neil- I think that's what the shutter speed was. ISO was 400. At the moment it was just to see how the focus was. Not so much for brightness or subject matter.
--
I make spelling errors. Ignore it. You're not my spelling teacher.

What I think he's trying to get at (and a point I would have made if I had noticed) is that 1/10 isn't a particularly reasonable shutter speed to hand hold without at least some bursting to get one of the shots without motion blur from your own movement. OSS helps but it doesn't mean you can shoot that slow and expect perfect shots.

Bah, my reading skills are way down tonight I didn't notice or just forgot about the table.  I'd edit or withdraw this post if I could but the time limits on this forum are really tight.

Anyway you used a table for the 1/10 which may or may not work depending on the stability of the table and the environment you are in.  Also, as another poster mentioned, use a timer otherwise your shutter press is moving the camera.

Good luck and sorry for sounding like a doofus in my quoted post.

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starstreak
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

starstreak wrote:

Neil- I think that's what the shutter speed was. ISO was 400. At the moment it was just to see how the focus was. Not so much for brightness or subject matter.
--
I make spelling errors. Ignore it. You're not my spelling teacher.

What I think he's trying to get at (and a point I would have made if I had noticed) is that 1/10 isn't a particularly reasonable shutter speed to hand hold without at least some bursting to get one of the shots without motion blur from your own movement.  OSS helps but it doesn't mean you can shoot that slow and expect perfect shots.

As i mention,I turned off the OSS. And the camera is sitting on the table. ALSO, I'm putting slight pressure down either one hand and pushing the shutter with other hand so I don't move the camera.
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starstreak
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

ryan92084 wrote:

starstreak wrote:

Neil- I think that's what the shutter speed was. ISO was 400. At the moment it was just to see how the focus was. Not so much for brightness or subject matter.
--
I make spelling errors. Ignore it. You're not my spelling teacher.

What I think he's trying to get at (and a point I would have made if I had noticed) is that 1/10 isn't a particularly reasonable shutter speed to hand hold without at least some bursting to get one of the shots without motion blur from your own movement. OSS helps but it doesn't mean you can shoot that slow and expect perfect shots.

Bah, my reading skills are way down tonight I didn't notice or just forgot about the table.  I'd edit or withdraw this post if I could but the time limits on this forum are really tight.

Anyway you used a table for the 1/10 which may or may not work depending on the stability of the table and the environment you are in.  Also, as another poster mentioned, use a timer otherwise your shutter press is moving the camera.

Good luck and sorry for sounding like a doofus in my quoted post.

I replied to your previous post. Lol. But the table doesn't move. It's mounted to the wall.

Btw, camera was set to AF-A. When I get back to work tomorrow, I'll try setting it to AF-S. Maybe it was trying to re-focus as I pushed the shutter down completely?
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Bart Hickman
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

ryan92084 wrote:

assuming the former a few have reported AF-s is less accurate than AF-C for focus (even though it should be the opposite) so give that a try.

This blows my mind.  I've been doing a lot of precious AF-S accuracy testing and it is absolutely bullet-proof perfect.  I can do macro shots that were previously impossible with my NEX-6.

Bart

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ryan92084
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Re: A6000- Just picked it up. Question on focus
In reply to Bart Hickman, 8 months ago

Bart Hickman wrote:

ryan92084 wrote:

assuming the former a few have reported AF-s is less accurate than AF-C for focus (even though it should be the opposite) so give that a try.

This blows my mind. I've been doing a lot of precious AF-S accuracy testing and it is absolutely bullet-proof perfect. I can do macro shots that were previously impossible with my NEX-6.

Bart

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I've seen two fairly solid tests (one here and one on a French forum) showing it with the 18-200.  The user who reported it here also says they have it on some other lenses.  Can't say I've noticed it myself but I don't have an 18-200 to test.

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Bart Hickman
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Re: A6000- Just picked it up. Question on focus
In reply to ryan92084, 8 months ago

ryan92084 wrote:

Bart Hickman wrote:

ryan92084 wrote:

assuming the former a few have reported AF-s is less accurate than AF-C for focus (even though it should be the opposite) so give that a try.

This blows my mind. I've been doing a lot of precious AF-S accuracy testing and it is absolutely bullet-proof perfect. I can do macro shots that were previously impossible with my NEX-6.

Bart

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I've seen two fairly solid tests (one here and one on a French forum) showing it with the 18-200. The user who reported it here also says they have it on some other lenses. Can't say I've noticed it myself but I don't have an 18-200 to test.

Interesting.  I only have the "trio"--10-18, 16-50, and 55-210.  All perfect.  Maybe there's some lens or camera bug pertaining to some lenses.

Bart

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starstreak
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

Ok, I set it to AF-S (single focus).  I think it was AF-A(it chooses if its on a stationary or moving object).  And now it focuses correctly.  5 shots are clear.  When I had it on AF-A, 2 of 5 shots was slightly out of focus.

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Bart Hickman
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Re: A6000- Just picked it up. Question on focus
In reply to starstreak, 8 months ago

starstreak wrote:

Ok, I set it to AF-S (single focus). I think it was AF-A(it chooses if its on a stationary or moving object). And now it focuses correctly. 5 shots are clear. When I had it on AF-A, 2 of 5 shots was slightly out of focus.

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I make spelling errors. Ignore it. You're not my spelling teacher.

Unless someone has found a good use for it (I haven't), it's best to just avoid AF-A IMO.

Bart

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