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04-11-2009, 03:18 PM   #181
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QuoteOriginally posted by m8o Quote
My personal plight... If this Tammy wasn't reported as 'noisy' or 'slow to focus' I'd have my mind made up; .
I have never quite understood this criticism - mine wasn't any slower or noisier
than any other screw-drive lens I've owned. If it was slower, it was such a
small difference that I didn't notice it.

With the Tamron, Pentax's AF-lock speed is much more of a limiting factor
than the lens when it comes to AF performance.

Personally I wouldn't let that deter you. It's a very, very fun lens and a great
performer on Pentax.

It also doesn't get the credit for bokeh that it deserves:



And sheer resolution (this is a tight crop)




.

04-11-2009, 03:34 PM   #182
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QuoteOriginally posted by jsherman999 Quote
I have never quite understood this criticism - mine wasn't any slower or noisier
than any other screw-drive lens I've owned. If it was slower, it was such a
small difference that I didn't notice it.
....
It also doesn't get the credit for bokeh that it deserves:
I'm very glad you offered your informed opinion. I did indeed take the criticism as it being 'comparatively' slower and noisier to focus that equiv legacy Pentax lenses or even shorter zooms; I 'assumed' so as I didn't see a reason for those to say it if it wasn't slower or noisier than others. Should have listened to Felix Unger . So if that's not the case I'm very happy to stand corrected.

Yes, seriously excellent and lovely examples of bokeh and rez. Seriously nice! I was leaning slightly towards the Sigma w/the intent to use CA correction in Lightroom when necessary (perhaps often). But thanx for putting me back on the fence again. hahaha
04-11-2009, 05:28 PM   #183
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QuoteOriginally posted by m8o Quote
I'm very glad you offered your informed opinion. I did indeed take the criticism as it being 'comparatively' slower and noisier to focus that equiv legacy Pentax lenses or even shorter zooms; I 'assumed' so as I didn't see a reason for those to say it if it wasn't slower or noisier than others. Should have listened to Felix Unger . So if that's not the case I'm very happy to stand corrected.

Yes, seriously excellent and lovely examples of bokeh and rez. Seriously nice! I was leaning slightly towards the Sigma w/the intent to use CA correction in Lightroom when necessary (perhaps often). But thanx for putting me back on the fence again. hahaha

Sigma is making some serious lenses these days. The 50-150 2.8 HSM II,
100-300 f4 HSM II, 70 2.8 macro are outstanding, and I hear the 50 1.4 and
new 24-70 2.8 HSM are killer also. I have no doubt the 70-200 2.8 HSM is
top notch too. The Tamron is supposedly sharper, but in real-world apps
I'd bet you'd be hard pressed to see the difference.


.
04-11-2009, 08:03 PM   #184
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...and I do have a Sigma hat while I don't have a Tamron hat.
(it came w/my 300/2.8 & 1.4x & 2x TC purchase)

04-11-2009, 08:05 PM   #185
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QuoteOriginally posted by jsherman999 Quote
I have never quite understood this criticism - mine wasn't any slower or noisier
than any other screw-drive lens I've owned. If it was slower, it was such a
small difference that I didn't notice it.

With the Tamron, Pentax's AF-lock speed is much more of a limiting factor
than the lens when it comes to AF performance.

Personally I wouldn't let that deter you. It's a very, very fun lens and a great
performer on Pentax.

It also doesn't get the credit for bokeh that it deserves:



And sheer resolution (this is a tight crop)




.
Great images "j"

I have had my lens for the better part of three weeks and have not had it on my camera one time (I know, please don't yell at me ).
I'm waiting for the weather to warm up to use the "macro" function and seeing you images gets me all exited.
Have you tried your lens using a TC for a macro shot? I have a couple of TC's and was wondering how a 1.5 or 2X TC would work on this lens.

Thanks in advance,
Ray
04-13-2009, 08:09 AM   #186
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04-13-2009, 06:13 PM   #187
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Every lens has its quirks, but the IQ of this lens makes it worth owning as evidenced by the prior posts.

Last edited by ivoire; 10-04-2010 at 03:59 PM.
04-13-2009, 10:35 PM   #188
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I too am seriously considering this lens. My biggest concerns are whether it's really any slower than any other Pentax lens. I've rented the DA*50-135, used it for 5 weeks and found it focused just about as fast/slow as any other lens I own.

In regards to noise, that's also a turn-off, particularly when you're shooting a quiet moment whether in church or on the field.

So I'm leaning towards the Sigma 70-200/2.8 HSM, but still trying to get more feedback on that lens.


For those of you that think Tamron/Sigma have QA problems - a few months back, some people spent nearly 7000US on a Canon 1Ds MkIII body only to find out there were autofocusing issues out of the box...

Here's a side by side review of 4 70-200 lenses, with links to each indepth review:
Tamron SP AF 70-200mm Di LD (IF) Macro Lens Review: 2. Compared to...: Digital Photography Review

04-14-2009, 06:09 AM   #189
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QuoteOriginally posted by Frogroast Quote
I too am seriously considering this lens. My biggest concerns are whether it's really any slower than any other Pentax lens. I've rented the DA*50-135, used it for 5 weeks and found it focused just about as fast/slow as any other lens I own.

In regards to noise, that's also a turn-off, particularly when you're shooting a quiet moment whether in church or on the field.

So I'm leaning towards the Sigma 70-200/2.8 HSM, but still trying to get more feedback on that lens.
If I were routinely shooting weddings or in crowds, I would own the Pentax 50-135 as it is small and quiet. If I needed the xtra reach for weddings and crowds it would be the Sigma as it is whisper quiet. The Tamron will get noticed by some, not all. But I have to say that the SIZE of the Tamron and Sigma alone gets them noticed. The Tamron offers image quality close to that of the f*300mm... that alone sold me on the Tamron
04-14-2009, 11:14 AM   #190
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I happen to have my whole kit here at work with me this morning.. Just put them all on the K20d to make a very scientific comparison

From nearly Silent 0 to pretty loud 10

Pentax 12-24 2 (surprisingly quiet and fast)
Pentax 31 ltd 4 (surprisingly loud actually)
Tamron 28-75 5
Sigma 100 Macro 6 (a bit unfair due to the macro feature)
Pentax 50-135 1 (quietest lens by far and the fastest)
Tamron 70-200 8 (it is pretty dam loud)
Sigma 50-500 6

I was surprised to find the Tamron louder than Bigma. However, at 200mm the Tamron is noticeably sharper than Bigma at 200,,, both wide open.

As far a speed goes.. the Tamron has never let me down,,even capturing birds in flight that surprised me on occasion.

I personally have never cared about how loud a lens is.. but then again I have never shot a wedding or other event where it might make a difference.

I rarely use the Pentax 50-135 because the Tamron is just as sharp and gives me a bit more reach.
04-14-2009, 11:59 AM   #191
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QuoteOriginally posted by quickiekuchen Quote
Sigma/Tamron are cheap, because oft the never happened quality-control (since 2004). So adjusting is pure chance!

Sigma/Tamron are going very very wrong with these kind of production! Believe me! In Germany, only people without knowing these fact are buying these lenses.
For the moment, let's say it IS pure chance. So you buy a Tamron/Sigma, get a lemon, send it back, get a replacement. Maybe you have to do that 2 or 3 times to get a good one. Is that small amount of effort worth saving several hundred dollars? I think most people would say yes.
04-14-2009, 01:31 PM   #192
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Even with a 2xtc this lens produces very good images. Taken handheld on an overcast day

Last edited by ivoire; 10-04-2010 at 03:59 PM.
04-15-2009, 08:20 AM   #193
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05-02-2009, 11:06 AM   #194
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I admit that I haven't spent too much time searching, but does anyone knows what's the frame coverage of this lens? Is it FF-compatible or totally-cropped?
05-02-2009, 11:45 AM   #195
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its FF lens.
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