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The 400mm f / 4 DO IS II USM, which replaced an earlier version of the same lens in 2014, [3] is one of only two Canon lenses that make use of diffractive optics (the other is the EF 70–300mm f/4.5–5.6 DO IS USM). The use of diffractive optics allows the lens to be significantly lighter than it might otherwise be.
When used with a Canon APS-C (1.6× crop) DSLR camera or APS-H (1.3× crop), the field of view of this lens is equivalent to a 160–640 mm on an APS-C sensor, or 130–520 mm on an APS-H sensor. This is due to the crop factor inherent with APS-C or APS-H sensor digital SLR cameras.
The Panasonic Leica DG Vario-Elmar 100–400 mm f / 4.0-f / 6.3 lens is a digital compact telephoto zoom lens for Micro Four Thirds system cameras. It is a varifocal lens branded with the German label Leica , but is currently manufactured in China by Panasonic , previously Japan.
The extender, when engaged, increases the lens' focal length by a factor of 1.4×, while decreasing the aperture by a single stop, changing the lens to a 280–560 mm f/5.6 lens. The extender is activated and deactivated by a mechanical switch close to the lens mount.
This lens was made in three series: Series III, IV and V, with maximum apertures of f/7.2, f/12.5, and f/18 respectively. In 1891, Series I, II and IIIa appeared with respective maximum apertures of f/4.5, f/6.3, and f/9 and in 1893 came Series IIa of f/8 maximum aperture.
Even people who love the character of an old house can be scared by the thought of keeping one thriving in the face of age, weather, and regular wear and tear. Money Pits: 15 Expensive Problems of ...
Answer: 20%. Following the 50/30/20 rule, 50% of your income should go toward necessities, 30% goes toward disposable income and 20% should go into savings.
In 1994, Home Interiors and Gifts was sold to the investment firm of Hicks, Muse, Tate & Furst in a $1 billion leveraged buyout. [ 1 ] [ 8 ] The company sold more than $850 million annually in silk and polyester flower arrangements, porcelain puppies and other decorative household items at home parties .