Photography Digest

The EF 70-200mm F2.8 L IS II USM was declared in Jan 2010 instead The rule eos fast image-stabilized telephoto zoom capability ability capability, the EF 70-200mm F2.8 L IS USM, which programs from 2001. With the fast improve in SLR indication pixel problems putting lenses' visual features under ever better analysis, the company clearly believed it was here we are at an upgrade for this expert program vehicle, and has renewed the style accordingly. In the procedure, it statements to have improved almost every aspect of the relationships, such as the optics, auto-focus, picture support, and the specific style.

The visual system is effectively complicated - 23 components in 19 categories - and contains no less than five ultra-low distribution (UD) cup components, plus one designed from fluorite, to reduce chromatic aberration. The tiniest concentrate wide range has been reduced providing improved highest possible possible magnifier, the IS system personalized to offer a described 4 prevents of support, and the auto-focus system improved to fulfill up with the requirements of The rule eos newest fast, high-resolution DSLRs such as the EOS-1D Stage IV. The relationships is also, as is regular for The rule eos L sequence optics, definitely enclosed against dirt and water.

Of course all this comes at a significant cost - as regular with a new launch, the 'II' relationships buys a significant top fantastic over past times edition of the relationships, which also creates it around four times as costly as its (non-image stabilized) third celebration competitors from companies Sigma and Tamron. Indeed with an starting cost well over the $2000 level, many prospective upgraders will definitely be considering whether the upgrades can probably be value the money. Over the next few sites we'll do our best to find out.

Headline features

• 70-200mm focal length range; fast F2.8 constant maximum aperture
• Optical image stabilization � 4 stops
• Ring-type USM focusing with full-time manual override
• EF mount for Canon 35mm full-frame and APS-C DSLRS

Angle of view

The pictures below illustrate the focal length range from wide to telephoto, on 35mm full-frame and APS-C camera bodies:

70mm (full frame)	200mm (full frame)

70mm (APS-C; 112mm equivalent)	200mm (APS-C; 320mm equivalent)

Canon EF 70-200mm 1:2.8 L IS II USM specifications

Price	� US: $2500 � UK: �2200
Date introduced	January 2010
Maximum format size	35mm full frame
Focal length	70-200mm
35mm equivalent focal length (APS-C)	112-320mm
Diagonal Angle of view (FF)	34� - 12�
Diagonal Angle of view (APS-C)	23� - 8�
Maximum aperture	F2.8
Minimum aperture	F32
Lens Construction	� 23 elements/19 groups � 5 UD elements � 1 Fluorite element
Number of diaphragm blades	8, rounded
Minimum focus	1.2m
Maximum magnification	0.21x at 200mm
AF motor type	� Ring-type Ultrasonic Motor � Full-time manual focus
Focus method	Internal
Zoom method	Internal
Image stabilization	� 4 stops claimed � Dual mode - Normal and panning
Filter thread	� 77mm � Does not rotate on focus
Supplied accessories	� Front and rear caps � ET-87 Hood � LZ1324 Soft Case
Weight	1490 g (3.3 lb)
Dimensions	89 mm diameter x 199 mm length (3.5 x 7.8 in)
Lens Mount	Canon EF only
Other	Dust and moisture resistant Supplies distance information for E-TTL II flash metering

* Supplied accessories may differ in each country or area

Original Article:www.dpreview.com