Canon EF 70-200mm f/2.8 L IS II USM Огляд - Сторінка 7
Переглянути онлайн або завантажити pdf Огляд для Об'єктив камери Canon EF 70-200mm f/2.8 L IS II USM. Canon EF 70-200mm f/2.8 L IS II USM 14 сторінок. Canon lens ef 70-200mm f/2.8 l is ii usm lens
Друкувати сторінку18/04/13
Need more magnification from the same focus distance? The 70-200 f/2.8 L IS II is compatible with the
and
Extender EF 1.4x III
Canon Extender EF 2x III
focal lengths you need natively in them - they usually provide better image quality and focus speed. Such lenses
included the
Canon 100-400mm f/4.5-5.6 L IS USM Lens
. But, two of the three Canon EF 70-200mm f/2.8 L IS II USM Lenses I tested perform
400mm f/5.6 L USM Lens
especially well with extenders (again, I strongly suspect the other lens to be an outlier). See the results first
hand in the ISO 12233 chart tool (here is a
The 1.4x reverses the 200mm pincushion distortion (resulting in very low distortion) and adds some CA and
slight full frame corner softness. The 2x causes a noticeably softer image at 400mm.
The in-focus flower above measures slightly over 2" (50mm) in diameter. It was shot at MFD using a
(a full frame sensor body) at 280mm (using a 1.4x extender). APS-C/1.6x body users can expect even
5D Mark II
tighter framing at 200mm.
I am finding that the Canon EF 70-200mm f/2.8 L IS II USM Lens autofocuses fast enough for sports with either
extender attached (on a
Canon EOS 1D Mark IV
98-280mm f/4 IS-equivalent lens the the 1.4x extender creates.
When you get the 70-200 f/2.8 L IS II box, the first impression is - wow, this is a big box. The box has grown
immense relative to the previous version. Fortunately, only the packing has grown significantly. The lens arrives
very well packed in foam and other padding - including the very nice Canon LZ1326 Lens Case.
www.the-digital-picture.com/Reviews/Canon-EF-70-200mm-f-2.8-L-IS-II-USM-Lens-Review.aspx
Canon EF 70-200mm f/2.8 L IS II USM Lens Review
Lens Only
1.4x Extender III
2.0x Extender III
|
|
as shown above. I generally recommend buying a lens with the
,
Canon 300mm f/4.0 L IS USM Lens
), - images are sharp wide open at 280mm (f/4).
comparison
body at least). I am especially pleased with the results from the
Canon
and the
Canon EF
Canon EOS
7/14