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03-19-2012, 09:38 PM   #1
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K-01 focus speed: DA*300 F4, DA*200 F2.8, DA*16-50 F2.8

Saw this on youtube, thought I might share here.


The DA 300*F4 is slow, but not unreasonable from what I see. The DA*200 is freaking fast! And the DA*16-50 is quite quick as well. So F2.8 and SDM a good combo on the K-01? Looks like it to me...

Also: DAL 18-55

I don't see problems with the 18-55, but I guess he may not have actually gone to 55mm? The scene doesn't seem amazingly lit, but does have a good bit of contrast.

03-19-2012, 09:51 PM   #2
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I have the first edition of the DA 18-55 that came with my K100D. Works fine for my use, and at least as fast as the K100D.
03-20-2012, 02:32 AM   #3
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Wow the DA*300 looks around the same speed as with K-5 in LiveView.

That DA*200mm is amazing. I returned my copy because of slow AF, since it was slower then this on my K-5. I must have had a very bad SDM engine in it.
03-20-2012, 02:54 AM   #4
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I could never use that 300mm for sports with that speed, sadly.

03-20-2012, 04:30 AM   #5
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If focus speed were ever a consideration in certain events; I would simply switch over to manual focusing. Unfortunately very few camera lens offer the depth of field gauges, but even with the lens wide open there's still depth of field. On might very likely not have to fucus the lens much; if at all.

It's the exact way that most Panaflex Hollywood cameras work - the cameras lock in the fucus ranges.

Is it as quick at focusing as some of the higher end P&S's - possibly not, but... I haven't run into any real world issues with focusing myself
03-20-2012, 05:41 AM   #6
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The 300 is slow, but it is long and F4, two combinations that no doubt affect the K-01. i'd love to see the comparison with the 300 F2.8, but I suspect the 300 F2.8's longer throw will make it equal.

I'm pretty amazed by the 200 F2.8 though, and the 16-50 looks good. If anyone can test it with the 16-45, that would be great - considering that is the kit lens replacement.

As for the kit lens itelf, it seems to focus quite ok. I understand that a few users have had problems in the 50-55mm range. Hopefully that is something the firmware fixes.
03-20-2012, 07:04 AM   #7
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QuoteOriginally posted by VisualDarkness Quote
I could never use that 300mm for sports with that speed, sadly.
Lucky me it is faster when using normal AF in K-5 instead of the LiveView. This is to slow to be helpfull in real life.

There is also one other thing different:
I see tha K-01 goes from one end of the focus to the other end and then back, while K-5 goes from one end to the other and then stops. You need to press the button again.
03-20-2012, 07:07 AM   #8
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QuoteOriginally posted by RonHendriks1966 Quote
Lucky me it is faster when using normal AF in K-5 instead of the LiveView. This is to slow to be helpfull in real life.

There is also one other thing different:
I see tha K-01 goes from one end of the focus to the other end and then back, while K-5 goes from one end to the other and then stops. You need to press the button again.
That's true - my k-x "gives up" after not hitting focus. Anyone with a K-01 can comment?

03-20-2012, 10:24 AM   #9
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I have experienced the "Quit" using DA55~300, 40Ltd, FA35/2, FA50/1.4, F70~210, F35~70 in a dim (1 60 watt shaded) walnut paneled room focusing on a beige couch. Real world I would never take a photo without flash under such conditions anyway.

I have become somewhat annoyed at running the full throw to move 1" if I am on the "wrong": side of in focus.
03-20-2012, 10:47 AM   #10
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QuoteOriginally posted by monochrome Quote
I have experienced the "Quit" using DA55~300, 40Ltd, FA35/2, FA50/1.4, F70~210, F35~70 in a dim (1 60 watt shaded) walnut paneled room focusing on a beige couch. Real world I would never take a photo without flash under such conditions anyway.

I have become somewhat annoyed at running the full throw to move 1" if I am on the "wrong": side of in focus.
Sorry if it is a bit much to ask, but can you clarify:

1) Which of those lenses "quit" constantly, and which have "quit" a few times?
2) What lenses have "worked" under those conditions?

Thanks!
03-20-2012, 11:17 AM   #11
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The 40Ltd was the worst. 55-300 next. Everything else would lock after a try or two. 40 would sometimeS not even lock on the lamp wih focus assist.

Please understand EVERYTHING in the room including walls and bookshelves is walnut or dark cherry or red leather except the sofa. I intentionally made it as dark as possible. I have no other focus lock issues anywhere.
03-20-2012, 11:21 AM   #12
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QuoteOriginally posted by monochrome Quote
The 40Ltd was the worst. 55-300 next. Everything else would lock after a try or two. 40 would sometimeS not even lock on the lamp wih focus assist.

Please understand EVERYTHING in the room including walls and bookshelves is walnut or dark cherry or red leather except the sofa. I intentionally made it as dark as possible. I have no other focus lock issues anywhere.
If I were a camera in that situation I would also give up.
03-20-2012, 11:22 AM   #13
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That sounds pretty good to me, my k-x would have trouble locking in dark rooms with my Sigma 17-70
03-20-2012, 11:29 AM   #14
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QuoteOriginally posted by JinDesu Quote
That sounds pretty good to me, my k-x would have trouble locking in dark rooms with my Sigma 17-70
Yep!! I'm delighted with this camera. I wish more people could get their hands on one. The K-5 deal price is big competition but for me this is actually better for many uses due to focus peaking. I'll probably get the next dslr body.
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