Sigma announces new flash unit and four lenses

Sigma announced three new "DG" series lenses, two standard 2.8 zooms, one spesialized 150mm macro and a ring-type speedlight, along with a 7x zoom lens for the Olympus' 4:3 system.

18-125mm F3.5-5.6 DC

THE SPECIFICATIONS

* Focal Length :18-125mm
* Minimum Aperture :F22
* Lens Construction : 15 Elements in 14 Groups
* Angle of View :62.0?- 9.9?
* Number of Diaphragm Blades :7pcs
* Minimum Focusing Distance :50cm (19.7in.)
* Maximum Magnification : 1:5.3
* Filter Size :62mm
* Lens Hood :Petal Hood
* Dimensions :Diameter 70mm (2.8in.)X Length 83mm (3.3in.)
* Weight :405gr/ 14.3oz

APO MACRO 150mm F2.8 EX DG HSM

THE SPECIFICATIONS

* Focal Length :150mm
* Minimum Aperture :F22
* Lens Construction :16 Elements in 12 Groups
* Angle of View :16.4?
* Number of Diaphragm Blades :9pcs
* Minimum Focusing Distance :38cm (15in.)
* Maximum Magnification :1:1
* Filter Size : ?Σ72mm
* Lens Hood :Petal-type hood
* Dimensions :Diameter 79.6mm (3.1in.)X Length 137mm (5.4in.)
* Mounts (AF) :Sigma, Canon , Nikon D, Pentax, Minolta D
* Weight :895gr/31.6ounces

28-70mm F2.8 EX DG

THE SPECIFICATIONS

* Focal Length :28-70mm
* Minimum Aperture :F22
* Lens Construction :14 Elements in 12 Groups
* Angle of View :75.4?-34.3?
* Number of Diaphragm Blades :9pcs
* Minimum Focusing Distance :33cm (13in.)
* Maximum Magnification :1:4.4
* Filter Size : ?Σ67mm
* Lens Hood :Petal-type hood
* Dimensions :Diameter 74mm (2.9in.)X Length 87.2mm (3.4in.)
* Mounts (AF) :Sigma, Canon, Nikon D, Pentax, Minolta D
* Weight :510gr/18.0ounces

24-70mm F2.8 EX DG MACRO

THE SPECIFICATIONS

* Focal Length :24-70mm
* Minimum Aperture :F32
* Lens Construction : 14 Elements in 13Groups
* Angle of View :84.1?-34.3?
* Number of Diaphragm Blades :9pcs
* Minimum Focusing Distance :40cm (15.7in.)
* Maximum Magnification :1:3.8
* Filter Size :?Σ82mm
* Lens Hood :Petal-type hood
* Dimensions :Diameter 88.7mm (3.5in.)X 115.5Length mm (4.5in.)
* Mounts (AF) :Sigma, Canon, Nikon D, Pentax and Minolta D.
* Weight :715gr/25.2ounces

ELECTRONIC FLASH MACRO EM-140 DG

<Main Specifications>
Guide NumberF 14@ISO 100/m (when the flash is fired at full power)
Power Level	1/1	1/2	1/4	1/8	1/16	1/32	1/64
2 tubes	14	10	7	5	3.5	2.5	1.8

Power Source	:	AA Alkaline Battery or AA NiCd Battery or AA Ni-Mh Battery x 4pcs
Angle of Coverage	:	Vertical / Horizontal 80 degrees
Weight	:	430g (without batteries)
Dimensions (Controller)	:	76.7mm~136.2mm~82.4mm
Dimensions (Flash Unit)	:	126.6mm~128.8mm~30.5mm
Compatible Cameras	:	Sigma-STTLEEOS-ETTL Nikon-iTTL, Minolta-ADI and Pentax A-PTTL (To Be Announced)

Compatibility with AF SLR and Digital SLR Cameras
Hot Shoe Type	Canon EOS	Konica Minolta AF	Nikon AF	Pentax	Sigma SA
TTL35?? Film SLR	TTL, ETTL, ETTL II*1	ADI	TTL-BL23	TTL	TTL
TTL Digital SLR	ETTL, ETTL II *1	-	TTL-BL23	PTTL	STTL
Distance Priority Manual Flash	-	-	?	-	-
High Speed SynchroiFPj	? *2	? *2	? *2	? *2	? *2
Multi Flash	?	?	?	?	?
Exposure Compensation Function	?	-	-	? *2	? *2
Modeling Flash	?	?	?	?	?
Wireless FlashiTTLj	? 2 4	? *2	? *2	? *2	? *2

*1F Compatible with E-TTL and TTL. Please note A-TTL automatic exposure is not supported.
*2F This function is not supported, by some camera models.
*3F Compatible with 3D-multi BL exposure.
*4F Manual Exposure is also possible.