Sigma launches a slew of new lenses

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

http://www.dpreview.com/news/0502/ [...] a10dgs.asp
- APO 50-500mm F4-6.3 EX DG
- APO 70-200 mm F2.8 EX DG
- APO 80-400mm F4.5-5.6 EX DG OS
- APO 100-300mm F4 EX DG
- APO 120-300mm F2.8 EX DG
- APO 300-800mm F5.6 EX DG
- APO 180mm F3.5 EX DG
- APO 300mm F2.8 EX DG
- APO 500mm F4.5 EX DG
- APO 800mm F5.6 EX DG
- Sigma 18-200mm F3.5-6.3 DC
- Sigma 10-20mm F4.0-5.6 EX DC HSM
- Sigma 30mm F1.4 EX DC HSM

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

Siddhartha Jain wrote:
> - APO 80-400mm F4.5-5.6 EX DG OS


That's $1,000 for the OS (Optical Stabilized)
http://www.shutterbug.com/test_reports/1104sb_sigma/

Nikon's 70-200 f2.8 is $1600

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

"Steven M. Scharf" <scharf.steven@linkearth.net> wrote in message
news:jh4Qd.157$VI5.25@newsread3.news.atl.earthlink.net...
> "Siddhartha Jain" <losttoy2000@yahoo.co.uk> wrote in message
>
>> - Sigma 10-20mm F4.0-5.6 EX DC HSM

> This looks like a good alternative to the Canon EF-S 10-22.

It's too slow and typical of their wides it's probably and too soft at
anything more than f/8. But I'll be tempted as it will fit a 1D, unlike the
Canon EF-S version, if they can get the price well under $500.

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

"Dave R knows who" <kilbyfan@spamnotAOL.com> wrote in message
news:bw4Qd.6748$m31.82272@typhoon.sonic.net...
>
> "Steven M. Scharf" <scharf.steven@linkearth.net> wrote in message
> news:jh4Qd.157$VI5.25@newsread3.news.atl.earthlink.net...
> > "Siddhartha Jain" <losttoy2000@yahoo.co.uk> wrote in message
> >
> >> - Sigma 10-20mm F4.0-5.6 EX DC HSM
>
> > This looks like a good alternative to the Canon EF-S 10-22.
>
> It's too slow and typical of their wides it's probably and too soft
at
> anything more than f/8. But I'll be tempted as it will fit a 1D,
unlike the
> Canon EF-S version, if they can get the price well under $500.

Yes, Sigma always seem to have slower lenses. I hesitated about the EFs
10-22 because I can't use it on my Canon film body, but since I already
have a 20-35 for the film body, it'll be okay. The Sigma EX lenses seem
to be moving down-market, no longer as good as the consumer lenses from
Canon or Nikon. But if the 10-20 Sigma is good at f/8 that'd have been
good enough for me, as long as it sold for $400-450 or so, rather than
the $650 of the Canon. But I have a feeling that Sigma is going to
price the 10-20 at $600-700.

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

Siddhartha Jain <losttoy2000@yahoo.co.uk> wrote:
>http://www.dpreview.com/news/0502/05021401sigma10dgs.asp

When Sigma tried to claim that the SD9 was a 10 megapixal
camera I concluded that they are liars and not to be trusted.

--
Ray Fischer
rfischer@sonic.net

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

Got to like the 30mm f:1.4 (Dimensions (dia x len) 76 mm (3.0 in) x 59 mm
(2.3 in) 62mm filter) I can't figure out why a APS-C/DX lens like that is
so big. Optics theory would indicate that a element diameter of 30mm should
yield a 30mm f:1.0 allow for some light loss (1 stop is generous) and you'll
get f:1.4. So I can't figure out why it's huge. Maybe Pentax will update
their old 30mm like they did with their old 40mm f:2.8 "Pancake" lens.


"Randall Ainsworth" <rag@nospam.techline.com> wrote in message
news:150220050544453979%rag@nospam.techline.com...
> In article <curuhf$mdt$1@bolt.sonic.net>, Ray Fischer
> <rfischer@bolt.sonic.net> wrote:
>
> > Siddhartha Jain <losttoy2000@yahoo.co.uk> wrote:
> > >http://www.dpreview.com/news/0502/05021401sigma10dgs.asp
> >
> > When Sigma tried to claim that the SD9 was a 10 megapixal
> > camera I concluded that they are liars and not to be trusted.
>
> Wise decision...

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

"Siddhartha Jain" <losttoy2000@yahoo.co.uk> wrote in message
news:1108374893.237642.263210@l41g2000cwc.googlegroups.com...
> http://www.dpreview.com/news/0502/ [...] a10dgs.asp
> - APO 50-500mm F4-6.3 EX DG
> - APO 70-200 mm F2.8 EX DG
> - APO 80-400mm F4.5-5.6 EX DG OS
> - APO 100-300mm F4 EX DG
> - APO 120-300mm F2.8 EX DG
> - APO 300-800mm F5.6 EX DG
> - APO 180mm F3.5 EX DG
> - APO 300mm F2.8 EX DG
> - APO 500mm F4.5 EX DG
> - APO 800mm F5.6 EX DG
> - Sigma 18-200mm F3.5-6.3 DC
> - Sigma 10-20mm F4.0-5.6 EX DC HSM
> - Sigma 30mm F1.4 EX DC HSM
>

I'm still not sure what the difference might be between the existing 70-200
f/2.8 and the 'DG' other than the designation; it's not a DC so it should
still work fine on a full-frame sensor w/o vignetting.

Mark

Archived from groups: rec.photo.digital.slr-systems,rec.photo.digital (More info?)

"Mark B." <mbohntrash54@comcast.net> wrote in message
news:W8CdnR2n9e9gso7fRVn-pg@comcast.com...

[regarding the Sigma 30mm f/1.4]

> It's not a DC lens so it can still be used on full-frame cameras, thus the
> size. There's no specifics on exactly what DG (digitally optimized)
> means.

Sorry, but it's a DC lens. See
http://sigma-photo.com/lenses/lens [...] avigator=6