Sigma 180mm F2.8 macro


MartynUK

Link Posted 11/05/2012 - 08:06
This was announced some time ago and as I see it won an award last month (though I don't know how!!) I e-mailed Sigma to get a date for release (and I specifically highlighted Pentax mount). This is their reply:
..........................................
Good afternoon,

We are very excited about the arrival of the lens too.

Unfortunately at this stage we are currently availing an arrival date
from Sigma Japan.

As soon as we know, we will update our website.

Kind regards

Rob Gooch
rob@sigma-imaging-uk.com
Sigma Sales Department
Sigma Imaging UK Ltd
..........................................................
So it still seems they are planning a Pentax version, as he didn't say otherwise. Hope it's here for the butterfly season!


Martyn
Martyn

http://www.flickr.com/photos/northamptonshirecouk/

Hyram

Link Posted 11/05/2012 - 13:16
MartynUK wrote:
....................Unfortunately at this stage we are currently availing an arrival date
from Sigma Japan...................

Presumably he means waiting for, when he uses the word 'availing'
Hyram

Bodies: K20D (2), K10D, Super A, ME Super, Auto 110 SLR, X70, Optio P70
Pentax Glass: DA* 300, DA* 60-250, DA* 50-135, DA* 16-50, DA 70 Ltd, FA 31 Ltd, DA 35 Ltd, DA 18-55 (2), DA 12-24, DA 10-17, M 200, A 35-70, M 40, M 28, Converter-A 2X-S, 1.4X-S, AF 1.7, Pentax-110 50, Pentax-110 24
Other Glass: Sigma 105 macro, Sigma-A APO 75-300
Flash: Metz 58 AF-1 P, Pentax AF160FC ringflash, Pentax AF280T

Mike-P

Link Posted 11/05/2012 - 14:11
MartynUK wrote:

So it still seems they are planning a Pentax version, as he didn't say otherwise.



No equipment list here but thanks for taking an interest. My Flickr

Frogfish

Link Posted 11/05/2012 - 16:53
MartynUK wrote:

So it still seems they are planning a Pentax version, as he didn't say otherwise. Hope it's here for the butterfly season!

DA*300
http://frogfish.smugmug.com/ Pentax. Pentax DA*300/4, Cosina 55/1.2, Lens Baby Composer Pro & Edge 80, AFA x1.7, Metz 50 af1.
Nikon. D800. D600. Sigma 500/4.5, Nikon 300/2.8 VRII, Sigma 120-300/2.8, Zeiss Distagon ZF2 21/2.8, Zeiss Distagon ZF2 35/2.0, Sigma 50/1.4, Nikkor 85/1.8, Nikon TC20EIII, Nikon TC14EII, Kenko x1.4, Sigma 2.0

eenymac

Link Posted 11/05/2012 - 21:06
Much as I'd be very interested in a new 180mm Macro, I too will believe it when I see it attached to my K5.

In the meantime, as Frogfish says, DA*300! (my favourite butterfly lens)


Col K10

Link Posted 11/05/2012 - 22:24
eenymac wrote:
Much as I'd be very interested in a new 180mm Macro, I too will believe it when I see it attached to my K5.

In the meantime, as Frogfish says, DA*300! (my favourite butterfly lens)

Cracking Marbled White. Have you tried the DA*300 with extension tubes?



Colin
"If a picture paints a 1000 words why have I run out of bookshelves."

eenymac

Link Posted 11/05/2012 - 22:32
Hi Colin, nice shot too. The DA*300mm does a very good job being such a great lens and the short minimum focusing distance is great, even if it means cropping.

I've not tried any extension tubes yet. Seen plenty advertised but at the price I see them at, I do wonder at the quality. Any recommendation?

Col K10

Link Posted 11/05/2012 - 23:46
Ideally I would recommend a set which permits full communication with the lens. But I've not seen a set for a little while, and they tend to be about 140, but they do support all modes and metering.



Note I deliberately short out the Data pin to fool the K-5 into thinking that any lens attached is an "A" type to gain focus trapping. Without the contacts you'll run any attached lens as a manual lens... so it better have an aperture ring. But, again if you ensure there is clean metal at the data pin position, to short it out, you'll get focus trap to work.
Colin
"If a picture paints a 1000 words why have I run out of bookshelves."

MartynUK

Link Posted 12/05/2012 - 09:18
eenymac wrote:
Much as I'd be very interested in a new 180mm Macro, I too will believe it when I see it attached to my K5.

In the meantime, as Frogfish says, DA*300! (my favourite butterfly lens)

That's what I'm currently using and loving it! But I'd like a dedicated macro that allows a bit closer working, although not to the extent of the Sigma 70mm I have.

The DA*300mm is great for flowers too! The sharpness drops of quicker than with a shorter focal length lens I think.



I had wondered about extention tubes... might give that a try a some point - useful info from Colin - thanks!.
Martyn

http://www.flickr.com/photos/northamptonshirecouk/

Mike-P

Link Posted 12/05/2012 - 09:55
I use my Pentax 100mm macro with a 1.7x Pentax Tc which gives the extra length and a little more magnification as well. I am so impressed with the combo I sold my Sigma 180mm macro last year.
No equipment list here but thanks for taking an interest. My Flickr

Algernon

Link Posted 12/05/2012 - 10:13
This was a close up shot taken with the
K-5 + Pentax DA 55-300mm + Pentax 1.4x-S TC

400ISO FL =300mm (x1.4) 1/400th at f/9

Not cropped and hardly any PP just a bit of sharpening.

I'd had a 28mm lens on prior to this and the SR was
still set WRONG at 28mm which will have softened the
shot slightly.





-
Half Man... Half Pentax ... Half Cucumber

Pentax K-1 + K-5 and some other stuff

Algi

Mike-P

Link Posted 12/05/2012 - 10:15
Algernon wrote:

I'd had a 28mm lens on prior to this and the SR was
still set WRONG at 28mm

Don't you just hate it when that happens.
No equipment list here but thanks for taking an interest. My Flickr

Algernon

Link Posted 12/05/2012 - 10:28
Ay least the Pentax 1.4x-S lets you set the focal length, even
though it's manual focus. Most TC's fix it at 300mm or whatever.

The Kenko 1.5x TC's seem OK with the 55-300mm as well.
Half Man... Half Pentax ... Half Cucumber

Pentax K-1 + K-5 and some other stuff

Algi

EricR

Link Posted 14/05/2012 - 07:44
Same story as the Sigma 120-300mm in Pentax mount, could take a while before these lenses are released for Pentax DSLR's (if ever). Luckily I have the Sigma 180mm f3.5 already, won't hold my breathe for the f2.8 version.
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