Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-03 Thread steve harley

on 2014-10-30 9:48 Sandy Harris wrote

I am trying to put together a lightweight kit for travel. Looking at
web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
want. However, the Pentax 15mm is considerably lighter and reportedly
very good.

i am looking for comments on those two lenses or on alternatives.


my two-lens travel kit is usually SMC (pre-HD) DA 15/4 and DA 35/2.8 ltd 
macro; i use the 35 a lot more, but the 15 is all i use for wide shots these 
days; there are many reviews that dissect the technical qualities better 
than i can, but i can just say that it's the right wide lens for me because 
it is very light and compact and i can depend on it in many lighting 
conditions; i often put the sun in the frame and still get great results 
(with care on the exposure)




My current walking around combo is A 50 1.4 on K-X. That is likely to
get upgraded to DA 50 1.8 on K-3


before getting the 35, i shot tens of thousands of frames on an SMC-A 50/1.7 
which remains a favorite, but now gets little use; i like how 50mm (on APS) 
isolates subjects, but i find 35 makes me think more




I have the 16-45 f4 which goes more-or-less wide enough, but it
is heavy and not all that wide,


i shot a lot with the 16-45 and enjoyed it; it's not as heavy as the 16-50, 
which i tried to like, and yet it is still quite bulky; once i got the 
A-50/1.7 the 16-45 became disused and it's now on extended loan to a friend




so I will likely leave it with my
daughter who also shoots Pentax. I also have the A 28 2.8 but it is
not wide enough to be the main lens for this and is not autofocus


before i got the 35 i really enjoyed an FA 28; in fact i like the focal 
length better than 35 (it is a perfect "normal" on APS), but the other 
qualities of the 35 won me over





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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-03 Thread Ralf R Radermacher

Am 03.11.14 12:30, schrieb Alastair Robertson:


You do get a starburst effect - perhaps that's what you mean?


Yes, and definitely some of the more crude kind. Certainly more than 
what I'd want in my pictures.


It's not as pronouced in your shots but what I'd seen in the Pentax 
Photo Gallery looked really grizzly.


Ralf

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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-03 Thread Alastair Robertson
Ralf
I don't see much flare in the night pictures I have taken with the 15

https://www.dropbox.com/sh/gnjd82fijffi9lt/AACBX9s4oEpWajDqKbM-MYjta?dl=0

You do get a starburst effect - perhaps that's what you mean?
Admittedly most of these are at dusk rather than night and there does
seem to a little flare in second last one from the moon and that was
the one shot in here that really was at night.

Alastair

On 3 November 2014 11:00, Ralf R Radermacher  wrote:
> Am 30.10.14 16:48, schrieb Sandy Harris:
>>
>> I am trying to put together a lightweight kit for travel. Looking at
>> web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
>> want. However, the Pentax 15mm is considerably lighter and reportedly
>> very good.
>
>
> I have the Sigma and it's quite decent although rather bulky and heavy.
>
> I had also considered the Pentax 15 mm, not lastly because I prefer primes
> to zooms in general, but a look at the night photos available in the Pentax
> Gallery showed a strong flare tendency which makes it unusable for my
> purposes, just as bad as the old SMC-A 15 mm lens I had years ago. Pity
> really.
>
> If you don'rt do night photography with strong light sources inside or
> immediately outside of the frame, the 15 might be fine for you.
>
> Ralf
>
> --
> Ralf R. Radermacher  -  Köln/Cologne, Germany
> Blog  : http://the-real-fotoralf.blogspot.com
> Audio : http://aporee.org/maps/projects/fotoralf
> Web   : http://www.fotoralf.de
>
>
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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-03 Thread Ralf R Radermacher

Am 30.10.14 16:48, schrieb Sandy Harris:

I am trying to put together a lightweight kit for travel. Looking at
web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
want. However, the Pentax 15mm is considerably lighter and reportedly
very good.


I have the Sigma and it's quite decent although rather bulky and heavy.

I had also considered the Pentax 15 mm, not lastly because I prefer 
primes to zooms in general, but a look at the night photos available in 
the Pentax Gallery showed a strong flare tendency which makes it 
unusable for my purposes, just as bad as the old SMC-A 15 mm lens I had 
years ago. Pity really.


If you don'rt do night photography with strong light sources inside or 
immediately outside of the frame, the 15 might be fine for you.


Ralf

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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-02 Thread Bill

On 02/11/2014 7:50 PM, Sandy Harris wrote:

Rob Studdert  wrote:


I have the Sigma 10-20/3.5 lens, it's pretty damned good, ...
That all said it's
neither particularly light or small so maybe not great for travel
unless you really need the versatility that the zoom affords.


Yes, and neither that lens nor the Pentax 12-24 is cheap either.
I wrote in the original post:


The Pentax 21 f3.2 limited looks good but may not be wide enough.


After some experimentation with the 16-45 set for 20mm or so,
I now think my best choice is the 21mm Limited. Versatility is
good, but the 21 is much smaller and lighter and a bit cheaper
as well.



I will sell you mine if you like. It's pretty gently used...

bill

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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-02 Thread Sandy Harris
Rob Studdert  wrote:

> I have the Sigma 10-20/3.5 lens, it's pretty damned good, ...
> That all said it's
> neither particularly light or small so maybe not great for travel
> unless you really need the versatility that the zoom affords.

Yes, and neither that lens nor the Pentax 12-24 is cheap either.
I wrote in the original post:

>>> The Pentax 21 f3.2 limited looks good but may not be wide enough.

After some experimentation with the 16-45 set for 20mm or so,
I now think my best choice is the 21mm Limited. Versatility is
good, but the 21 is much smaller and lighter and a bit cheaper
as well.

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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-11-02 Thread Rob Studdert
Late to the party here Sandy, I have the Sigma 10-20/3.5 lens, it's
pretty damned good, I managed to produce some pretty spectacular
images using it. It's known to be a bit soft at the edges at 10mm but
it's not insurmountable,10mm is extremely wide. That all said it's
neither particularly light or small so maybe not great for travel
unless you really need the versatility that the zoom affords.

Cheers,


On 1 November 2014 05:16, Bob Sullivan  wrote:
> Sandy,
>
> Got the DA15mm Pentax and it's wonderful -
> Small enough to carry in your pants pocket,
> great flare resistance, Pentax lens quality.
>
> Here's a shot from last December with the sun in the frame.
> http://photo.net/photodb/photo?photo_id=17624225&size=lg
>
> My go to kit right now is the DA60-250/4, FA31/1.8, and DA15/4.
> They cover lots of territory with quality.
>
> Regards,  Bob S.
>
> On Thu, Oct 30, 2014 at 10:48 AM, Sandy Harris  wrote:
>> I am trying to put together a lightweight kit for travel. Looking at
>> web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
>> want. However, the Pentax 15mm is considerably lighter and reportedly
>> very good.
>>
>> i am looking for comments on those two lenses or on alternatives.
>>
>> Background, for anyone who cares:
>>
>> My current walking around combo is A 50 1.4 on K-X. That is likely to
>> get upgraded to DA 50 1.8 on K-3; Adorama have a bundle that includes
>> both and I'll buy it unless they cancel before next week when I'm
>> expecting funds. That is my favorite focal length, all I need for most
>> street shooting.
>>
>> I need a wider lens for landscapes and architecture including interior
>> shots. I have the 16-45 f4 which goes more-or-less wide enough, but it
>> is heavy and not all that wide, so I will likely leave it with my
>> daughter who also shoots Pentax. I also have the A 28 2.8 but it is
>> not wide enough to be the main lens for this and is not autofocus;
>> I'll bring it since it is light but will probably not use it much.
>>
>> The Pentax 21 f3.2 limited looks good but may not be wide enough.
>> Tokina 11-16 f.2.8  does not seem to be available for Pentax.
>>
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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-10-31 Thread Bob Sullivan
Sandy,

Got the DA15mm Pentax and it's wonderful -
Small enough to carry in your pants pocket,
great flare resistance, Pentax lens quality.

Here's a shot from last December with the sun in the frame.
http://photo.net/photodb/photo?photo_id=17624225&size=lg

My go to kit right now is the DA60-250/4, FA31/1.8, and DA15/4.
They cover lots of territory with quality.

Regards,  Bob S.

On Thu, Oct 30, 2014 at 10:48 AM, Sandy Harris  wrote:
> I am trying to put together a lightweight kit for travel. Looking at
> web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
> want. However, the Pentax 15mm is considerably lighter and reportedly
> very good.
>
> i am looking for comments on those two lenses or on alternatives.
>
> Background, for anyone who cares:
>
> My current walking around combo is A 50 1.4 on K-X. That is likely to
> get upgraded to DA 50 1.8 on K-3; Adorama have a bundle that includes
> both and I'll buy it unless they cancel before next week when I'm
> expecting funds. That is my favorite focal length, all I need for most
> street shooting.
>
> I need a wider lens for landscapes and architecture including interior
> shots. I have the 16-45 f4 which goes more-or-less wide enough, but it
> is heavy and not all that wide, so I will likely leave it with my
> daughter who also shoots Pentax. I also have the A 28 2.8 but it is
> not wide enough to be the main lens for this and is not autofocus;
> I'll bring it since it is light but will probably not use it much.
>
> The Pentax 21 f3.2 limited looks good but may not be wide enough.
> Tokina 11-16 f.2.8  does not seem to be available for Pentax.
>
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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-10-30 Thread Mark Roberts
Sandy Harris  wrote:

>I am trying to put together a lightweight kit for travel. Looking at
>web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
>want. However, the Pentax 15mm is considerably lighter and reportedly
>very good.

I tried out a Sigma 10-20 once and found it had barrel distortion that
bothered me. It seemed to me that it distorted differently on the
horizontal and vertical axes. Fixable in post, of course (and normal
barrel distortion even easier to fix) but I'd just rather not if I can
avoid it). So I went with the Pentax 12-24 even though it is 2mm
longer at the wide end. Splendid lens.

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Re: Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-10-30 Thread Paul Stenquist
Pentax 12-24/4 is very good and not unwieldy.

Paul via phone

> On Oct 30, 2014, at 11:48 AM, Sandy Harris  wrote:
> 
> I am trying to put together a lightweight kit for travel. Looking at
> web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
> want. However, the Pentax 15mm is considerably lighter and reportedly
> very good.
> 
> i am looking for comments on those two lenses or on alternatives.
> 
> Background, for anyone who cares:
> 
> My current walking around combo is A 50 1.4 on K-X. That is likely to
> get upgraded to DA 50 1.8 on K-3; Adorama have a bundle that includes
> both and I'll buy it unless they cancel before next week when I'm
> expecting funds. That is my favorite focal length, all I need for most
> street shooting.
> 
> I need a wider lens for landscapes and architecture including interior
> shots. I have the 16-45 f4 which goes more-or-less wide enough, but it
> is heavy and not all that wide, so I will likely leave it with my
> daughter who also shoots Pentax. I also have the A 28 2.8 but it is
> not wide enough to be the main lens for this and is not autofocus;
> I'll bring it since it is light but will probably not use it much.
> 
> The Pentax 21 f3.2 limited looks good but may not be wide enough.
> Tokina 11-16 f.2.8  does not seem to be available for Pentax.
> 
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Any comments on Sigma 10-20 f3.5 or Pentax 15mm?

2014-10-30 Thread Sandy Harris
I am trying to put together a lightweight kit for travel. Looking at
web reviews, I'm inclined to think the Sigma 10-20 f3.5 is a lens I
want. However, the Pentax 15mm is considerably lighter and reportedly
very good.

i am looking for comments on those two lenses or on alternatives.

Background, for anyone who cares:

My current walking around combo is A 50 1.4 on K-X. That is likely to
get upgraded to DA 50 1.8 on K-3; Adorama have a bundle that includes
both and I'll buy it unless they cancel before next week when I'm
expecting funds. That is my favorite focal length, all I need for most
street shooting.

I need a wider lens for landscapes and architecture including interior
shots. I have the 16-45 f4 which goes more-or-less wide enough, but it
is heavy and not all that wide, so I will likely leave it with my
daughter who also shoots Pentax. I also have the A 28 2.8 but it is
not wide enough to be the main lens for this and is not autofocus;
I'll bring it since it is light but will probably not use it much.

The Pentax 21 f3.2 limited looks good but may not be wide enough.
Tokina 11-16 f.2.8  does not seem to be available for Pentax.

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