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03-01-2016, 02:39 PM   #1
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Will K-1 SR handle 150-450 + 1.4xTC?

Hello All,
I posted a thread https://www.pentaxforums.com/forums/172-pentax-k-3/315084-k-3-ii-shake-reduct...ctiveness.html hoping to find some solution for the problems I have encountered using this combination handheld on the K-3 II, and the best I have got thus far seems to imply that the K-3 II can't handle this FL.
Is there any possibility that the K-1 SR will be able to cope with the 150-450 + 1.4xTC?

Cheers,
Terry

03-01-2016, 02:55 PM   #2
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Well, it's 5-axis now (compensating for roll) plus it's rated for an additional stop (up to 5), so I'd expect it to fare better.

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03-01-2016, 02:56 PM   #3
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QuoteOriginally posted by tduell Quote
Hello All,
I posted a thread https://www.pentaxforums.com/forums/172-pentax-k-3/315084-k-3-ii-shake-reduct...ctiveness.html hoping to find some solution for the problems I have encountered using this combination handheld on the K-3 II, and the best I have got thus far seems to imply that the K-3 II can't handle this FL.
Is there any possibility that the K-1 SR will be able to cope with the 150-450 + 1.4xTC?

Cheers,
Terry
Why not?
Let's just wait and see.
Some people here surely will have this gear to test it on when available.
03-01-2016, 03:31 PM   #4
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Although if you are talking about the DA 1.4 x TC, I think I read that it is not FF compatible.

03-01-2016, 03:34 PM   #5
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QuoteOriginally posted by kiwi_jono Quote
Although if you are talking about the DA 1.4 x TC, I think I read that it is not FF compatible.
It is...
03-01-2016, 03:49 PM   #6
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QuoteOriginally posted by bertwert Quote
It is...
Oh ok. Because DPReview were reporting it as crop only (see: Worth the wait? A look inside the Pentax K-1: Digital Photography Review )
03-01-2016, 05:09 PM   #7
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QuoteOriginally posted by bertwert Quote
It is...
Not according to the latest 2016 Pentax lenses and accessories catalogue [PDF, 15MB], which explicitly flags it as an APS-C product ...

I think, however, that Ricoh may be too cautious about whether the DA 1.4 TC will produce good results on FF. In real life, it probably will do OK under most conditions and settings, I suspect.
03-01-2016, 05:32 PM   #8
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The HD 1.4x will work for short focal lengths but sadly will darken the corners with longer lenses (~300mm and more) so that will request a small crop to be ok.

03-01-2016, 06:28 PM   #9
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Why not? The K3 does.
03-01-2016, 07:27 PM   #10
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QuoteOriginally posted by VoiceOfReason Quote
Why not? The K3 does.
If you mean the K-3 SR handles the 150-450 +1.4xTC OK, then it must be better than my K-3 II, as have had a lot of difficulty getting sharp handheld shots with this combination.
I would really like to hear about your technique and settings as they may be the answer to my problems.

Cheers,
Terry
03-01-2016, 07:34 PM - 1 Like   #11
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QuoteOriginally posted by tduell Quote
If you mean the K-3 SR handles the 150-450 +1.4xTC OK, then it must be better than my K-3 II, as have had a lot of difficulty getting sharp handheld shots with this combination.
I would really like to hear about your technique and settings as they may be the answer to my problems.

Cheers,
Terry
Sure, I simply brace my hand under the tripod mount on it, go to a kneeling position, and put my elbow on my knee. I breathe in, hold my breath, make sure all is steady, and go for it. I also use a higher shutter speed. here's one I got of the moon handheld.

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03-01-2016, 07:40 PM   #12
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QuoteOriginally posted by VoiceOfReason Quote
Sure, I simply brace my hand under the tripod mount on it, go to a kneeling position, and put my elbow on my knee. I breathe in, hold my breath, make sure all is steady, and go for it. I also use a higher shutter speed. here's one I got of the moon handheld.

Attachment 300849
OK, I use a similar technique when possible, but that doesn't always suit when bird shooting.
How high a shutter speed do you reckon you need? I can't see any exif attached to that moon shot.

Cheers,
Terry
03-01-2016, 08:10 PM   #13
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QuoteOriginally posted by tduell Quote
OK, I use a similar technique when possible, but that doesn't always suit when bird shooting.
How high a shutter speed do you reckon you need? I can't see any exif attached to that moon shot.

Cheers,
Terry
It is on my other computer, but I was shooting around 1/400 or so for that and wide open. Normally when doing birds and such I will be up around 1/800-1/2000 depending on the light. I use TAv, set auto ISO to where it is between 100-3200 (sometimes 100-6400), and with this set up I leave it wide open.
03-01-2016, 10:59 PM   #14
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QuoteOriginally posted by VoiceOfReason Quote
It is on my other computer, but I was shooting around 1/400 or so for that and wide open. Normally when doing birds and such I will be up around 1/800-1/2000 depending on the light. I use TAv, set auto ISO to where it is between 100-3200 (sometimes 100-6400), and with this set up I leave it wide open.
OK, thanks for that info.
I haven't really had any sharp pics at speeds at speeds that low.
Not even at 1/1000, and hard to get above that without high ISO.
I also shoot TAv a lot of the time.
I guess that real answer is that you must be much steadier than I am.
I'll have to spend more time trying to come to grips with this.

Cheers,
Terry
03-02-2016, 02:45 AM - 1 Like   #15
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I am using the 150-450mm with HD TC1.4x on K3 handheld, the results were very acceptable! The small butterfly was 1/125s and the dragonfly was 1/1000s. The two photos are straight from camera without any post-processing.
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