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The Canon EF 24–70mm lens is a family of professional EF mount wide-to-normal zoom lenses manufactured and sold by Canon. The first of the family, the EF 24–70mm f/2.8L, was introduced in 2002 to replace the well-regarded 28–70mm f/2.8L. Two later versions were announced in 2012. The first of these, the EF 24–70mm f/2.8L II, was ...
ConsumerAffairs.com reports that the "lens has a feature called bellows claw, which is a gear that physically extends and retracts the lens. A piece that holds the lens, the barrier plate, is not large enough and can sometimes cause the bellows claw to malfunction, resulting in a stuck lens". [1] The result is a black screen that only contains ...
As it is designed for Canon APS-C bodies, its field of view is equivalent to a 38mm lens on a full-frame sensor, and operates similar to the Canon EF 40mm f/2.8 STM pancake lens. Compared to the EF 24 f / 2.8 IS USM, the EF-S lens loses IS, but lists for about a fourth of the price.
The EF 24–85mm f / 3.5–4.5 USM is an EF mount wide-to-normal zoom lens. It was introduced by Canon in 1996. [1] The lens was originally sold with the Canon EOS IX, an APS film SLR, [2] although it was fully compatible with Canon's 35mm film SLRs. The lens was available in two colour schemes: silver when sold with the EOS IX, and black when ...
The EF 24–105mm f/4L IS USM and IS II USM version use a ring type ultrasonic motor, whereas the new EF 24-105mm f/3.5-5.6 IS STM uses Canon's STM stepper motor, which is quieter during video usage. The new EF 24-105mm f/3.5-5.6 IS STM weighs slightly less (525 g / 18.52 oz versus 670 g / 23.6 oz) and costs roughly half the price of the EF 24 ...
Nikon AF-S 24-70mm f-2.8G ED. The Nikon 24-70mm f/2.8G ED AF-S lens was announced in 2007 by Nikon, in Japan.It is a dust- and moisture-resistant professional wide-angle to short-telephoto high-performance zoom, featuring internal focusing with constant aperture of f/2.8 throughout the focal range, closest focusing distance of 0.38 m/0.9 ft with a filter size of 77 mm and a Silent Wave Motor ...
The degree of image blurring for a given amount of focus shift depends inversely on the lens f-number. Low f-numbers, such as f /1.4 to f / 2.8, are very sensitive to defocus and have very shallow depths of focus. High f-numbers, in the f / 16 to f / 32 range, are highly tolerant of defocus, and consequently have large depths of focus.
They ranged from a fisheye FD 15 mm f/2.8 SSC to a FD 800 mm f/5.6 SSC, plus special purpose lenses such as a 7.5mm circular fisheye and a 35 mm tilt and shift lens. Accessories for the AE-1 include the Canon Winder A (motorized single frame film advance up to 2 frames per second), the Canon Databack A (sequential numbering or date stamping on ...