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Stefanotshcki www.juzaphoto.com/p/Stefanotshcki  |
The following opinions have been automatically translated with Microsoft Translator. | Tamron SP 17-50mm F/2.8 XR Di II VC LD Pros: Quality / price ratio, good optical quality, f2.8, effective stabilizer Cons: Soft wide open, focus quite slow, not FTM Opinion: The construction is pretty good, in line with other Tamron lenses that I got to try, zooming the lens barrel extends, but there is a simple (and effective) mechanical lock to close to the minimum length. As optical quality is acceptable f2.8, but surely closing of 1 or 2 stop is greatly improved. Personally I try to use it from f5.6 down, but if I open more than one survives :) The stabilizer is effective, 50mm you get to shoot at 0 "7 with a little 'luck. Autofocus is not the faster, but it is accurate. MF In the race of the ring is a bit 'too short and it is difficult to focus accurately on short distances. Having the ultrasonic motor, full time manual remains a dream: ( sent on October 01, 2011 |
 | Tamron SP 90mm f/2.8 Di Macro Pros: Optical quality, quality / price ratio, construction Cons: Barrel which extends in the focusing, AF Opinion: Excellent optical quality, both as a macro as portrait lens with the aperture f2.8. Very sharp in the center, a hair worse at the edges, however, is resolved by closing the apertures used for macros. Barely noticeable chromatic aberration at the widest apertures. The construction is very good, only flaw is that the barrel nearly doubles the length to the minimum focusing distance (the working distance is reduced considerably). The front lens is recessed and well protected, so that I do not hardly ever use with the lens hood attached. The focus is implemented by a micromotor classic, slow and above all noisy. Not bad, in macro allows you to focus manually, but if you use it as "telephoto spare" you can help with the convenient focus limiter. The price is unbeatable. sent on October 01, 2011 |
 | Canon EF 70-200mm f/4.0 L USM Pros: Construction, general optical quality, fast autofocus and always accurate price. Cons: Lens hood, tripod ring not included. Opinion: For 600 euro is a lens of the highest quality: relatively light but well built, the optical quality is high, and some tests I did I would say that is comparable all'f2 .8 closed to a stop as sharpness. As reflections and chromatic aberration no problem. The brightness f4 constant is not a big deal (at full aperture is perfect) and can greatly reduce size and weight compared all'f2 .8. The autofocus is fast and accurate thanks all'USM ring, with the inevitable correction manual always available. The price is very beneficial, I paid 600 euro but it is also 500, and the ratio q / p I think it is one of the best lenses available. It is not sealed, but in light rain does not give no problems. The tripod mount ring can be very useful, unfortunately, is not included and the original cost the earth (150 euro I think), fortunately if they are of the same at 20 euro :) The shade of the old type, not very robust and above is hard to put on well. But if major faults are these two, you will understand that it is a lens to have ;) sent on October 01, 2011 |
 | Canon 500D Pros: Size and weight, software, intuitive controls Cons: Noise at high ISO, AF, continuous slow Opinion: I had the car for two years, and gave me a lot of satisfaction especially when I had to learn how to use, very intuitive. The autofocus is very fast and accurate, but it is of good quality. Exposure metering you do not bat an eyelid. As the 50D (which I use now, and with which it shares the sensor) suffers heavily noise in high ISO, and it is not possible to increase the sensitivity in fractions of a stop time. The construction is cheap, but all in all gives solid feel when compared to the size and range of the market economy in which it is located. In conclusion, it is a good machine to learn, but after a while 'you definitely want something more. With the subsequent 550D have made considerable progress in the aspect of image quality, and video mode (which is pretty good already in the 500D) was completed and brought almost to the level of the 7D. sent on July 22, 2011 |
 | Canon 50D Pros: Rugged design, excellent ergonomics, full of functionality, good image quality, fast 6.3fps burst, accurate AF with micro Cons: High noise at high sensitivity, high pixel density, lack of sealing, a bit 'heavy Opinion: The machine is suitable for the amateur photographer who wants something more than the standard # # # D but do not want to spend a fortune with the 7D or the full format: full, great customization possibilities (two wheel positions for user-mode), also suitable for sports photography or action, even if 9 AF points are a bit 'reductive ... The most important flaw is the noise, far too marked and visible even at low sensitivity if shooting in the dark; in good condition, however, the output is acceptable, at least up to 800ISO, and the loss of detail is not consistent. 15 megapixels on a sensor so small unfortunately make only if there are mounted optics of a certain level, otherwise highlight the defects of the lens. As the body is much better than its replacement 60D, although the latest technology allows greater image quality, I do not think the absence of a video flaw, but someone may be important. Too bad it's already impossible to find in stores, I have bought used a couple of months ago, this could also be a good second body for professionals, though obviously less than the 7D sent on July 22, 2011 |
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