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Claudio Cortesi www.juzaphoto.com/p/ClaudioCortesi  |
The following opinions have been automatically translated with Microsoft Translator. | Sony A1 Pros: Very high-performance viewfinder, similar to that of a good SLR. Dense stacked sensor, 20 mega crop in the room, lightness and excellent autofocus, improved compared to that of the a9. Commands and customization. Much improved and understandable menu. File quality. Cons: Battery life without booster. Translation of menu items that is still coarse (e.g. "still image" instead of "photograph"). Opinion: After ten days in the countryside and the development of about twenty files starting from jpeg and / or raw with sony proprietary editor, I got an idea of this ml devoted to action photography. I used the camera with 200-600G. The 30 ft/s is a pleasure for those who have few opportunities in terms of passes in flight. Even at distances of more than 30 meters up to 50 the percentage of sharp photos is very high (compatibly with weather conditions). When a snipe flew towards me, I got 30% sharp shots, a percentage that would have increased if it had passed closer. Autofocus superior for tracking to that of the a9 with good recognition of the eye of birds. During the discharge of the buffer you can change all the commands, passing for example from the crop in the room to full format even with the full buffer. The viewfinder set to 1/250 refresh looks remarkably like a reflex viewfinder. Improved ignition compared to the a9, but still improvable compared to a professional SLR. Autofocus and control responsiveness similar to professional SLRs. The weight of 700 grams is very important for prolonged freehand use. Pairing with 200-600 very recommended, the crop in the room offers a file of about 22 mega to 900 mm, with further possibility of cropping 20% higher than the file of the a9. The use of 1.4x is advisable for stationary subjects, in remote flight it does not seem to improve the detail compared to the crop. Rating 9, but I am very critical. Probably using it with 600 GM the vote would be 10. sent on March 15, 2022 |
 | Sony FE 200-600mm f/5.6-6.3 G OSS Pros: Optical quality that allows the use of extenders in conditions of excellent light. Weight of just over two kg (760 g less than the Sigma 150-600 S) and internal zoomed that can be performed with the eye in the viewfinder, among other things excellent perfectly calibrated ring. Robust construction and excellent value for money. Best-buy of its segment. This zoom offers the best performance at the longest focal point, which is the most used in bird life. Cons: Discreet vignetting with full openness especially at the major focal points. Sensitive chromatic aberration at the edges. Both also automatically correct themselves in Adobe Camera Raw and Sony's proprietary software. For this reason they are defects that do not affect the final result in any way. Opinion: For those who do naturalistic, a lens that alone is worth a kit. Impeccable optical quality at all focal points, which further improves by closing the iris of a stop. The cost, given its optical performance and internal zooming is no less than 40% less than its real value. An optics that it is advisable to have, transportable even in the mountains thanks to the weight of just over two kilos. The sharpness at a great distance is also extraordinary, while maintaining a slightly lower detail than the fixed lens. The foot disassembles easily. It is a lens born for freehand use. I immediately found myself well even without the shoulder to which I am accustomed. Even though I'm going to buy a fixed in the future, when one of equal weight is available, I'm never going to sell this zoom. sent on August 15, 2019 |
 | Sony A9 Pros: High percentage of photos in focus with fast and unpredictable moving subjects, thanks to the frame totally covered with very precise af sensors. Great maintenance of the maf after docking on uniform backgrounds, a little less on contrasted backgrounds such as rippling water or trees or mountains. Great responsiveness also at very closed diaphragms. Glaciers that never accidentally rotate, apart from the over/underexposure one. Embarrassing shutter silence compared to 1dxmkII. Immediate awareness of over or underexposure thanks to the electronic viewfinder. Cons: Small body, suitable for small hands. Stabilization with 200-600 can be improved, it happens to get some micromox files even with times of 1/3200 of a second. Opinion: After 4 years of use of the Canon 1dxmkII with 500 is II and extender, I must recognize that the a9 is at least 10 years ahead for consistency af in the action photo, and of course by weight. As my interest in flying birds, responsiveness at f/9 and accuracy are embarrassing, compared to all Canon reflexes. My 1dxmkII barely made it to 30-40%. This may be due to the lack of the mirror, which by lifting during the shots interrupts the reading of the Af. The a9 body looks robust and compact, but without exceeding the weight. A camera easy to be transpoted and suitable for long working sessions in the countryside, but carrying a spare battery. High-quality mechanics with high-quality materials and high-precision dials. It struck me that they require a lot of pressure to rotate: practically unlike many SLRs, they never accidentally rotate. I find the file a bit noisy in raw, good the jpeg. sent on August 13, 2019 |
 | Canon 1DX Mark II Pros: Af spectacular even with 500 is II and 2X III: speed and accuracy are impressive even hundreds of meters away from the subject. File well usable even at 3200 ISO: it is easy to reduce the noise without sacrificing the detail. Price quality ratio significantly better than 5div, plasticosa and buffer and rather embarrassing burst in the action picture. Maybe I will say 'something obvious, but IQ and latitude of laying the file are notable compared to the 7d2 that I have used so far. Buffer with cfast absolutely satisfying in the action picture: more than 10 consecutive seconds of 14 raw per second without stopping. Cons: I would have expected a cleaner file above 1600 ISO. In theory the weight. Actually, I found it better to wield the 500 with the duplicators with the 1dx II compared to the 7dii. Burst of 14 ft / s very noisy and usually canon exposureometer not very reliable in photography of birds in flight. Opinion: After 15 years return to series 1. Accuracy of af and readiness not comparable with 7dii: just touch the key of maf and shoot: from the first frame you immediately get a shot in focus. So far I have used all the sensors, noting the almost absolute precision even of the outer sides. Exposure meter more usable of the 7 series but still unsatisfactory in naturalistic: one is forced to make continuous adjustments of the automatic exposure. As mentioned in the pros, the use of the 500 is II with 2XIII does not greatly reduce the speed and accuracy of AF: in particular the accuracy af small subjects at great distances is really amazing. Even in backlight the af has no indecisions and is more 'accurate than 7dii.rnTime of response in the action picture surprising and fully satisfactory. Discreet battery life even with the machine always on. Good with automatic shutdown: re-ignition is much faster than 7dii. I did not find the intuitive controls as you read around. I noticed a% 3B excellent quality and workability of the raw file: a good step forward compared to the 7dii even if the color balance is very similar. Shadows opening at least double compared to 7dii. As QI you gain at least two diaphragms of really usable sensitivity, working accurately on the noise you can easily get to 4. In an absolute sense I would rate 9: a few more mega would have been useful. In the Canon world for action photos vote 10. sent on November 14, 2016 |
 | Canon EF 500mm f/4 L IS II USM Pros: Splendid optical quality optimized at full aperture with both a smooth lens and 1.4 x and 2x. Well distributed and reduced weight of 700 g compared to the previous version that allows the use freehand even with 1.4 x and 2x. With FF's latest generation fast and extremely precise autofocus with smooth lens and with both teleconverters. Cons: With Canon 7DmkII The autofocus slows down appreciably with 2x even if third generation. With 1DXmkII or with 5DmkIV there is no slowdown. Like all Supertele is II also in this lens the focus ring does not allow disabling during auto focus, which would be preferable. Opinion: After using a 300 2.8 for 25 years with the two dedicated multipliers, I switched to the 500 4.5 old and then to this second stabilized version: The weight is felt in prolonged use freehand, but the stabilizer helps and the number of sharp photos of birds in flight It is significantly higher than the duplicate 300 and also of the 500 4.5 old. The price is worth the expense considering that the sharpness is spectacular even with 2XIII at full opening: The results confirm the excellence of this optics in nature photography in our country, where hunting disorder and wild urbanization are among the most Invasive in the world. sent on May 03, 2016 |
 | Canon EF 500mm f/4.5 L USM Pros: Classical Canon super telephoto with first fluorite lens: 5.6 great sharpness and contrast; high color quality, thanks to the optical scheme of only 8 lenses. Weighing only 3 kg well distributed, with moderate imbalance forward: perfect for use freehand without shoulder. Excellent duplication with 1.4 III. Speed ??and accuracy of focus: the speed of af is not smaller than that of the later models. Cons: Soft at full aperture. Lens without stabilizer. Hood unusable freehand (it weighs almost 700 grams). Opinion: I took one of the last products, practically never used by the previous owner. The sharpness and f do not regret later models. The photos have the most beautiful colors and vibrant 300 II is duplicated. The af 7 II provides with a very high percentage of photos in focus (birds in flight). In this type of photography using very fast shutter speeds, which do not need stabilization. I paid this lens almost four times less of the latter type, and given the quality of the photos, they are very happy with the purchase. I recommend it to those who want to photograph birds in flight free hand. sent on August 02, 2015 |
 | Canon 7D Mark II Pros: Af: high percentage of photos fast moving fire. 10 frames / second, files with possibility 'to open the shadows schiarendole up to 3 stops, speed and wide adaptability af in photographs of azione.Mirino 100%, silent shutter to 4 frames / second. Cons: Shutter lag for improvement, af inaccurate when well set on the characteristics of the movement of the individual and not when the calibration end of AF. Battery less durable 7d old. Opinion: It 'a good and effective update of 7d old. Af nervous and very reactive, able to focus when focus very well with all 65 sensors used together. In the photograph of birds in flight using the 5 houses, getting files very etched in a significantly greater percentage of 7d old, (with which I was comfortable only with 5 sensors af center). It is advisable to calibrate the end of 'af for all super telephoto with and without extender. Files for use with fine up to 1600 ISO. Robust body and ergonomic controls similar to those of 5dIII and 7d old. sent on April 26, 2015 |
 | Canon EF 300mm f/2.8 L IS II USM Pros: Lightness, sharpness, micro-contrast and fast autofocus guaranteed even with both duplicators. MAF a minimum of 2 m. Optical equilibratissima that can be used easily by hand. Cons: I found indecision in af camera with 2X III and 70d. Opinion: Using this optical exclusively freehand and I find it light and fully usable with APSC with 2X III with subjects such as fast shorebirds in flight. The improvement over previous versions is the net especially with 2X III. He disappointed me a bit 'the speed of maf without extender, is slightly greater than that of the USM 25 years ago. But with the 2XIII the speed does not slow down at all, on condition of use cameras of the latest generation. In C aps sharpness it is unsurpassed even by the use of duplicating machines, right to the edges of the frame. Absolutely amazing 600 mm (960 with APS C) with the weight of just over 2.5 kg to which I add the 900 7dmk2. Great for shooting birds in flight, like swallows and bee-eaters. sent on August 03, 2014 |
 | Canon 70D Pros: Which provides more accurate predictive autofocus clear images of subjects in the lively than you get with the 7d. Less noisy sensor of the 7d especially in underexposed areas. Cons: Too small, tight controls. Opinion: Nell 'use sports or nature is very advanced compared to previous models. The 4y.o. from 'out of the 7 d led innovations incorporated by sensitive 70d which is very prompt in switching and nell'agganciare the fast-moving subjects. Light meter accurate and rational layout of the controls. The precision in the operation of the same makes the use of 70d pleasant. sent on March 20, 2014 |
 | Canon EF 300mm f/2.8 L USM Pros: Objective razor sharp, autofocus speed appropriate to the natural subjects in motion. rnDopo 25 years yet precise autofocus and optical quality insuperata.rnColori magnificent, typical of artificial fluorite. Cons: My lens suffers from inaccuracy in the manual that do not use maf mai.rnObiettivo heavy (2850 g) when compared with the current model (2250g). RnMaf autofocus a bit 'slow 2X.rnLeggera with slight underexposure and vignetting at full aperture (1 / 3 stops). Opinion: It was a great purchase, even considering that paid him as a family car. rnAncora today I do not feel the need to replace it. RNLA highest quality allowed me to use it almost always with the 1 .4 X old.rnCon buying the 2X III, the yield is quite good and use with this duplicator has become very frequente.rnPur having a very strong objective, we must consider before you buy that used the canon (written with a lower case c) no longer manufactures replacement parts for this model. It will be more than enough to test it thoroughly before buying, in particular the efficiency and accuracy of autofocus. sent on March 08, 2014 |
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