The Canon EF 28-70mm f/3.5-4.5 II is a standard lens for FF and APS-C, manufactured from 1988 to 1991 (discontinued). The focus is done by Lens AF motor (non-ultrasonic), it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is €;
4 users have given it an average vote of 8.0 out of 10.
This lens is available with the following mounts:
Canon EF: this lens is compatible with reflex fullframe and APS-C Canon EF.
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The following opinions have been automatically translated with Google Translate.
Pros:Value for money, compactness and lightness, still decent picture quality.
Cons:Noisy afd engine, not always accurate focus with cmos af / dual pixel cmos hybrid systems, no spare parts
Opinion:This is one of the first standard zoom lenses introduced for the eos system. I do not know what has changed compared to the previous version, as spare parts catalogs are unobtainable and Canon's first "Ef lens work" release dates back to 1992 when the optics had long since been released for production ... There is therefore no information on the mtf graphics supplied by the manufacturer. rnrnOramai can be found at less than 100 euros (used only, obviously), and compared to today's 24-70 or 24-105 is considerably more compact and lighter.rnrnIs surprised me is the general optical yield: I had very modest expectations, considering the project's design, size and price at which the optic was sold, while still it is still quite usable in terms of the microcontroller offered. Clearly in the peripheral areas of the image, the drop is quite noticeable, especially at wide lenght focal lengths and high diaphragm apertures. Then, it depends on the expectations and the photocin use: With a 5ds / 5dsr, zooming to 100% of the files, the optic limits would be noticeable, especially in peripheral areas of the image. As with other dated optics, the flare resistance is not excellent, and contrast is fairly obvious: however, this is an optic designed at the time of the film reflexes, and not studied to work in coupling to sensors digital. rnrn Focusing is one of the weaknesses of the optic, as the af engine is rather noisy, and the speed is lower than that of a 24-70 or 24-105, though it is not very small. About the accuracy and precision of the focus, in one shot the results are not bad, while in the servo the issue is more delicate, since it depends a lot on the camera in use: curiously, with the 6d mark II the results are better compared to 1d mark IV. It would be interesting to try the optic coupled to a 1dx or 1dx mark II to evaluate the result. RnrnDettoFor street photography, I think that it may still be an interesting goal, as it is not visible, the range of focal lengths is quite versatile, and the image quality is still dignified, especially if the use of more recent optics and cumbersome, it would have the risk of losing the shot.rnrnIf the optic is no longer in business for more than 25 years, the spare parts are nowhere to come unavailable; it is therefore not a point I would recommend for a professional use, where the reliability and repairability both fast and primary. rnrnFor those who are interested in video, the problems I have encountered are essentially three: rnrn- the zoom ring stroke is short enough so it is difficult to handle the focal length changes so that it has progressive transitions. Unfortunately, since it is a very dated optic and with old-fashioned electronics, if you use cmos / hybrid dual pixel systems, cmos af the mass it wasooc may not always be accurate. rnrn- there is no full-time manual focus, and you must intervene on the switch, to switch to the manual focus.
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