Photography Digest

The EF-S 18-200mm F3.5-5.6 IS is The concept eos newest contact for APS-C structure DSLRs, offered as a affiliate to the EOS 50D. Its announcement in Aug this interval came as no amazing shock, as extensive primary duration extensive variety 'superzooms' are clearly well-known amongst camcorders lovers looking for an all-in-one relationships for journey and daily getting. The most apparent example of this is the run achievements of Nikon's AF-S 18-200mm F3.5-5.6G VR, and a Rule comparative has almost certainly been the most-requested relationships on our boards.

With its 11x zoom ability capability ability extensive variety, the 18-200mm becomes The concept eos most devoted consumer-level zoom ability capability power to date; the organization has formerly shied away from generating relatively cost-effective superzooms, with its only past venture into this industry being the 28-200mm F3.5-5.6 (USM) for Drawbacks SLRs from delayed 2000. And while it's this mature relationships that the 18-200mm most incredibly seems to be to be, Rule has handled to press a lot more into the style in the all the encompassing eight decades. The zoom ability capability ability quantity has been prolonged to a 35mm-equivalent extensive variety of 29-320mm, and the new relationships features The concept eos newest lightweight picture support program (as seen on the EF-S 18-55mm F3.5-5.6 IS and the EF-S 55-250mm F4.5-5.6 IS), which provides automated panning recognition and (according to the company) four prevents of support. All this has been obtained using a effectively complicated graphics of 16 components in 12 categories, such as two UD cup components and two aspherical components which are developed to reduce chromatic aberration and make sure unique corner-to-corner details across the zoom ability capability ability extensive variety. Rounding off the requirements is a tiniest concentrate extensive variety of 45cm/1.5ft at all primary activities.

One style choice may however cause a stage of dismay; the relationships uses a relatively unsophisticated little web page program for auto-focus, in contrast to the ring-type USM style more usually seen on mid-range relationships such as the EF-S 17-85mm F4-5.6 IS USM. Consequently, audiences may battle to discover any apparent benefits over Tamron's lately declared 18-270mm F3.5-6.3Di II VC LD Aspherical (IF) Macro, which activities a time zoom ability capability ability extensive variety and Tamron's own visual support program. Aside from this, Rule have developed a relationships which is clearly developed to reverse the confirmed customer benefits Nikon's well-known 18-200mm VR head-on; so how does it go with up to the challenge?

Headline features

• 29-320mm equivalent focal length range; F3.5-5.6 maximum aperture
• Optical image stabilization � 4 stops, automatic panning detection 
• EF-S mount for Canon APS-C DSLRS only

Angle of view

The pictures below illustrate the focal length range from wideangle to telephoto:

18mm (29mm equivalent)	200mm (320mm equivalent)

Canon EF-S 18-200mm 1:3.5-5.6 IS specifications

Street price	� $699 (US) � �550 (UK)
Date introduced	August 2008
Maximum format size	APS-C
Focal length	18-200mm
35mm equivalent focal length (APS-C)	29-320mm
Diagonal Angle of view (APS-C)	74� - 8�
Maximum aperture	F3.5-5.6
Minimum aperture	F22-36
Lens Construction	� 16 elements / 12 groups � 2 UD elements � 2 Aspherical elements
Number of diaphragm blades	6, rounded
Minimum focus	0.45m/1.5ft
Maximum magnification	0.24x at 200mm
AF motor type	Micro motor
Focus method	Internal
Image stabilization	� 4 stops � Automatic panning detection
Filter thread	� 72mm � Does not rotate on focus
Supplied accessories	� Front and rear caps
Optional accessories	� EW-78D Hood � Case
Weight	600 g (21.2 oz)
Dimensions	79 mm diameter x 102 mm length (3.1 x 4.0 in)
Lens Mount	Canon EF-S only
Other	Supplies distance information for E-TTL II flash metering

* Supplied accessories may differ in each country or area

Original Article:www.dpreview.com