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Riccardo Boldrini www.juzaphoto.com/p/RiccardoBoldrini  |
The following opinions have been automatically translated with Microsoft Translator. | Tamron 28-300mm f/3.5-6.3 Di VC PZD Pros: Focal hike, good stabilizer, light, tropicalized, Good construction Cons: dark, very inaccurate autofocus, mediocre quality Opinion: I bought this lens well 2 times because I wanted on my 6d a superzoom for the light outputs, and nothing, I can not use this lens that also has valuable points but so many, too many flaws. The focus is really inaccurate, I was wrong a click on 2 in one shot, in AI Servo can not work at all and even the stabilizer has unpredictable behaviors. Personally I was not satisfied at All. Unfortunately the only rival, the canon, weighs double and costs, even used, triple and no one else makes a similar. sent on October 08, 2018 |
 | Canon EF 70-300mm f/4-5.6 IS USM II Pros: Sharpness at all apertures and focal lengths, autofocus speed, stabilizer, yet light solid construction, button for minimum focal lock. Cons: The usual lens hood sold separately and at a disproportionate cost, the lock could also be fixed to other focal lengths (eg as it happens on Sigma Tele), it does not have full time MF. Opinion: The lens is definitely great. On recent Canon machines (I used it on 70D and 6d) It really does its job well and really makes the image well. The image is clean and clear even on the demanding and dense 70D. The autofocus is very fast, really lightning. The lens is built very well and is solid but contextually it is very light. Excellent stabilizer. Comparing with Tamron 70-300 VC USD: I had as many as 2 copies of the Tamron 70-300 VC USD and I can say I can do a lens comparison. The Tamron from its has only the lower cost, the more performant stabilizer (however in certain areas the one of the canon can be more useful) and the hood included. In everything else the Canon wins on the Tamron: solidity, construction, lightness, speed and precision autofocus and image quality, similar to 70, at 300 is significantly better. Visible to eye. If you find it on offer, as I found it, then it is a really convenient purchase. I don't know if, given the cost, the Canon 70-300 L IS worth the effort compared to this gem. Useful the informative display that compensates to the lack of the rangefinder of the focus, unfortunately only works on system. sent on June 12, 2018 |
 | Canon EF 24-105mm f/4 L IS USM Pros: Comfortable, clear already in TA, good construction from L series, f / 4 fixed, fast focus, you can find good-for-good occasion in the used. Cons: A little 'heavy, old unreliable conception stabilizer. Opinion: Purchased as a handyman for the 6D, is really his death. Purchased used, well maintained, I must say that is proving to be a great deal, among other things paid fairly. E 'already very sharp wide open, it closed 5.6 is really eccellente.rnSi performs well on the 70D where, after the fact evidence is roughly on par with my copy of 18-135 STM (apparently very good ), then to the eye in the central area if the caverebbe solve a well 5Ds.rnSecondo me the only defects that are to be a little 'heavy (only 6D 24-105 and neck are a good 1.5 KG after a while 'they weigh) and stabilizer which is not really efficient. A 105 mm effort to stabilize on 6D with a time of 1/25 of a second, when with the above-mentioned STM 18-135 I quietly 1 / 15-1 / 20 of a second to 135 of APSC (215 equivalents). From my point of view the stabilizer can not keep more than a stop and a half. sent on May 02, 2017 |
 | Canon EF-S 55-250mm f/4-5.6 IS STM Pros: Light weight, stabilization. Cons: Sharpness poor / very poor, slow af, is not a true f / 5.6 or 250. Opinion: I took this canvas when I still believed to remain on aps-c as a light intermediate between normal and 150-600, replacing the Tamron 70-300 VC. Profound errore.rnNon've never had a poorer goal. Not even worth the 110 euro that I paid (used). Fortunately resold without perderci.rnI advantages are that it is lightweight, compact and stabilized, the f is silenzioso.rnI defects instead are tremendous. First, the sharpness is very bad. There is a focal ratio that is decent, at any focal length. On focal where they cross, my 18-135 stm is incredibly migliore.rnL'autofocus is very slow, so not recommended for use where normally use a tele (sports, wildlife, birds, etc.) then .rnE is dark, tremendously dark. Cartoon crazy on APSC, in comparison to the 70-300 APSC not vignettava almost nothing. Also doing the math is not a true 250 f / 5.6. The front lens, measuring 40 mm in diameter. A 250 f / 5.6 would require a front lens of 44.7 mm. Assuming, however, is a 250 lufocal nghezza means that the true brightness ratio is 6.3 (not counting the absorption of the lenses) .rnPersonalmente strongly advise against this ciofeche. sent on April 17, 2017 |
 | Sigma 8-16mm f/4.5-5.6 DC HSM Pros: Focal range of unique, very clear throughout the frame, af very good, durable and well-built barrel Cons: very low maximum apertures, filters usable only 16mm Opinion: I bought it on offer on Amazon and I was right. superb lens. The autofocus is very fast, quiet and precise. The range of focal lengths is very interessante.rnL'ottica is built in a very good. You can mount the filters on the ring of the plug adapter, but if the objective is mounted black cartoon except 16 mm. Only to that focal you can use filters. The lens has the disadvantage of being very dark, basically you should always use it between f / 5.6 and f / 8 except that you have no relations superiori.rnIl hood, integrated and non-removable, it is made of metal also to protect the lens that is sporgente.rnMi are very much amused to usaralo, I sold it because I switched to FF and I replaced it with the big brother 12-24 f / 4.5-5.6 II. Tame it is a pleasant intellectual effort as well by understanding how to use it, especially to 8mm, they learn a lot about photography and the geometries that lie behind. Perspective as there are few. sent on December 02, 2016 |
 | Canon EF 100mm f/2.0 USM Pros: maximum aperture of f / 2, clear already at TA, a blade turning a bit 'the diaphragm, small and light, solid and well built, fast and accurate af suitable barrel even at considerable use. Cons: minimum distance of 90 cm maf, hood sold separately and with mounting bad, not multipliable. Opinion: That bell'obiettivo. And what nonsense I did to sell it. At those prices where it turns, approximately 300 Euros, it is a gem. Of aps-c is a bit 'long for many applications, but on FF takes on its full meaning. It 'a gem and can not understand why the Canon does not put the red line. Now that I switched to FF I'll have to buy it again. sent on December 02, 2016 |
 | Canon EF-S 17-55mm f/2.8 IS USM Pros: Sharpness, f / 2.8 stabilized, af fast Cons: Built worst of 18-135 stm, af sometimes imprecise, very heavy and bulky compared to competitors, the older generation stabilizer sometimes inaccurate Opinion: I've had it for a few months but I've never taken the feeling. Despite the good sharpness he was never impressed. Mechanically, it is the lowest quality of the 18-135 STM I own. Maybe it will be the old project but not even gave me the idea of ??a great solidity. In addition to that it is very bulky and heavy compared to tamron and sigma competitors of equal focal lengths. rnLo stabilizer think is old enough as a model. There comes just 2 stops. A 55 mm (so with safety time of 1 / 80-1 / 100 of a second on APSC) 1/20 second if I mailed the photos were micromosse, on 18-135 135 (1/200 tds) can reach well 1/15 secondo.rnComplice switching to FF I decided to sell it, replacing it with the 24-105 L before versione.rnRitengo Canon has in his pocket an excellent optical design, which, however, should be revised in many respects, most notably the construction . Rated 7. sent on December 02, 2016 |
 | Sigma USB Dock Pros: Convenient to avoid travel to optics in service, great customization options, stable and nice software. Cons: It should cost no more than 15-20 Euros. You have to know how to fiddle around a bit 'for customizations. Opinion: Bought together with Sigma 150-600 C, it was detected immediately a very good buy. Just mounted I updated the firmware to a version with sull'autofocus improvements, and later passed another update. If I had not had them I would never have been able to apply unless the optical not pass dall'assistenza.rnRitengo dock an essential accessory for the use of Sigma lenses compatible (and in fact Tamron has followed, with years of distance, same street) also .rnNotevoli the possibilities for optical personalization thanks to Sigma Optimization Pro software, as well as manages firmware upgrades of the goals, you can adapt at will the stabilization functions, auto focus limiter and adjust if you prefer more or response the maximum depth precisione.rnMolto also the correction system of any front / back focus, which fortunately did not have to use as my was unaffected optics. The downside is that you are forced to do a little 'home laboratoryto adjust the lens (it must be done even if you do the micro with cameras that have, here is just deeper) .rnAltra thing I do not like is the price: in my opinion for what it is, 20 Euros are enough. sent on November 07, 2016 |
 | Sigma 150-600mm f/5-6.3 DG OS HSM C Pros: Sharpness and excellent optical quality, excellent construction and barrel, speed and precision autofocus, outstanding stabilizer, great opportunity to upgrade and customization functions via the dock, satisfactory Heaviness, lock possibility at all focal written on the ring (150-180-200- 250-300-400-500-600). Cons: of short and uncomfortable support bracket for the hooking to a tripod and to hold it by hand, but it is not a serious problem. Opinion: I spent a year studying everything I could find on the super telephoto 150-600 (even trying them) and at the end I chose this. And I'm super contento.rnIl Sigma C is really very sharp. Since I've so far been able to experience the aberrations are corrected well. The building is great and I did not detect any problem on my copy of the front / back focus (I've thoroughly tested with the focus chart) .rnI 2 weight KG are not unreasonable for the traveling fighter even if extended by several hours, to Instead of big brother Sport who, after 5 minutes of testing, I was doing to be wrong braccio.rnIl cost is slightly higher than the Tamron hand side, but in my opinion worth the price difference. Upon arriving, via the dock, I updated the firmware to version 1.02 which has improved compatibility and speed and precision autofocus. I also compared the shots, always made with my Canon 70D, with Sigma S and I have not seen notable differences. Probably to a laboratory test Sport is really more qualitativo, but in practice this difference did not see her. My copy is really good, in my opinion, even at 600 mm. Going to shoot in very humid areas (salt marshes of Comacchio, the Po Delta or embankments, etc.) the biggest problem on medium to long distances is not the lens, but the atmospheric humidity, temperature and pressure, so I think in these cases laboratory tests have a relativa.rnDiscorso validity except I do it for the stabilizer, which allows you to take a static subjects even at 1 / 35-1 / 40 of a second, becoming in fact a stabilizer 4 stops. It 'also the panning mode. The stabilizer is customizable via the USB dock and C1 and C2 mode with the button, allowing a visual stabilized in the camera viewfinder, which I consider very utile.rnL'autofocus function is very fast and extremely precise. I had the chance to try also the excellent Canon 100-400 IS2 (thank you for the NumeroQuattro exchange that we metin a trip to the Delta), and how we li.rnUno autofocus speed and accuracy of the reasons that led me to the choice of Sigma C rather than the Tamron it is the ability to update the firmware (something made just purchased) of ' Camera, in which Sigma improves efficiency and compatibility; I consider this a better option when Sending assistance in the target, resulting in detention for an indefinite period (the time difference is five minutes against 2-6 weeks !!!). In contrast I chose the Sigma Sigma C compared to S, tried directly, because of the huge difference in weight, and I really tried eccessiva.rnL'ho found in combination of 50D and 70D with x1,4 x2 multipliers and Kenko PRO DGX 300 and works with both. The normal course autofocus stops working while in live view has no problem, even with both cascaded multipliers, which becomes a 1680 f / 18 and maintaining an acceptable sharpness. With only x1,4 sharpness in my opinion remains ottima.rnIlplastic hood is light but very strong, so for me it bene.rnLa most of the barrel is made of plastic, to reduce weight, which, however, seems well made and gives strength and solidity to the barrel. I did not detect any play between the various filler can or lens parts. The bayonet is metal, very solid and correlated with a silicone sheath for the protection of the graft with the camera. The optical unofficially tropical conditions, in my experience has excellent resistance to agents (dust, moisture and water splashes) .rnUnico negative neo has the support bracket which, although made of metal, durable and easily removable , is a bit 'too short for the goal; I would welcome a second hole to screw and a little 'longest for a hand-grip plus final agevole.rnrnConsiderazione: super telephoto recommend this to anyone who does not want svenarsi with bianconi Canon or Nikon equivalent and do not want to shoulder1.3 KG more for Sport.rnrnVoto version: 10/10. sent on August 24, 2016 |
 | Manfrotto MT 055 X PRO3 Pros: quality construction, weight (explain below), adapt to situations, folding central column at 90 °. Cons: Lack of a carry bag in the package purchase Opinion: Great tripod that I bought at a good price along with the ball head Sirui K30X (excellent choice suggested by other reviews in the forum). Since it also use as the basis for astrophotography one of the things that I appreciate is the weight not too low that stabilizes more camera and lens from the vibrations. And 'stable and sturdy in all situations. The telescopic legs are solid and comfortable to use with quick release clips practices. sent on February 20, 2016 |
 | Tokina AT-X 11-20mm f/2.8 PRO DX Pros: Exceptional sharpness, very good even at f / 2.8, suffering little of the coma, little chromatic aberration, bright f / 2.8 constant, solidly built, included in the sales package the lens hood and a hoya 82mm filter neutral protection. Cons: Lack of a switch to AF / MF, the focus ring is sometimes not fits well ('ll explain below), lack of full time MF, big and cumbersome, suffers a bit of flare. AF a bit 'noisy, bulky and expensive mounts 82mm filters. Opinion: The goal is great apart from AF to MF pass system (attention no autofocus, which works fine). If you focus at a distance automatically and then you want to manually correct the focus must switch to manual to fix it up. But to switch to manual you have to move in June the focus ring doing well fit the internal gears. These gears are sometimes not well aligned and moving it slightly messes up the fire took first, thwarting the work. Being a wide-angle is not a great defect given the still extended pdc but the method chosen by Tokina is not the best. The problem referred to is not always done, just sometimes, but when it fits well there are no problems. Doing astrophotography use the af aimed at a star with live view to focus on and then off, the passing system is really hurt. Cancels all the lavoro.rnPer the rest is the exceptional optics. Sharpness at the top already at f / 4, however, very good at f / 2.8. Few optical aberrations, suffers alittle 'flare but personally I can stand them, and sometimes I do indeed anche.rnE' quite bulky and heavy. The building is a bit 'plasticky but is solid. The autofocus does a little 'noise but nothing annoying, if you make video you could hear the rumore.rnCome zoom range I would have preferred one or two millimeters less than its predecessor rather than 4 extra. The ring of the Focal has the right hardness and wheel well 11 to 20. Also I own the Sigma 8-16 and I had the canon 10-18 .stm and both prefer questo.rnConsigliatissimo. sent on February 01, 2016 |
 | Canon EF-S 18-135mm f/3.5-5.6 IS STM Pros: Speed ??and quiet focusing, excellent sharpness, excellent stability, lightweight, af focusing even in low light. Cons: Little light, lacking the scale of distances, the focus ring does not by limit feedback, slight chromatic aberration. Opinion: C often combined with extension tubes of 13 or 21 mm (RR x0,44 and x0.53 respectively), obtaining excellent risultati.rnCiò you do not like about this is that it is very dim, it does not have the scale of distances (as all stm) and the ring nut of the focus does not have a feedback hardening at the end of the race. Objectively with this objective it is more difficult to manually fire. Chromatic aberration is quite marked but can be corrected quite well in post produzione.rnSe sell it will only be for a brighter lens zoom, sacrificing versatility for a focal f / 2.8 constant. sent on December 12, 2015 |
 | Tamron SP 70-300mm f/4-5.6 Di VC USD Pros: Very clear from 70 to 200-250, discretely at 300 f / 5.6, good at f / 8, best price performance ratio, sensational stabilizer, good and included hoods.rnBen correct chromatic aberration and coma. Cons: Zoom ring that turns in reverse, a little 'soft at 300 af / 5.6, a bit' cumbersome as a dimension. Opinion: It was my first telephoto zoom. It is light enough and fits comfortably with other objectives in the bag for an excursion.rnThe image quality is good, not exceptional but satisfying, especially considering the price at which it is located.rnFrom 70 to 200-250 is clear and well resolved already at full aperture, at 300 unfortunately becomes a bit 'softer at f / 5.6 while improving a bit' closing af / 8, which is always his sweet spot. As far as I could see in my copy, the optical aberrations are correct, there are no problems of front or back focus and the vignetting is modest and easily solved in pp.rnrnThe really strong point of this goal, however, is the stabilizer. It is exceptional and allows you to take pictures on dense sensors like that of my 70D (20Mpx apsc) even at 1/20 of a second, or about 4 stops. This of course framing still and static objects. If you take pictures of moving objects, the stabilizer must be switched off.rnThe stabilizer, in thisI'm objective, it's also great for solving any problems of micro moved.rnComodo also the fact that the stabilizer is activated when you activate the AF, then while the lens focus, in the viewfinder (or on the screen of the live view) you see the image well and steady.rnConsigliato who, without wanting to faint, wants a telephoto discreet / good at a good price. sent on October 18, 2015 |
 | AmazonBasics - Zaino per fotocamera e accessori Pros: Great, durable and roomy. Solid and interchangeable dividers, various pockets and hooks for the easel. Competitive price. Cons: It has a net external side for water bottle. Opinion: Great backpack sold at a price objectively honest. In general stores that price do not give you nearly niente.Lo backpack is sturdy and well built with various hooks in order to remain well-anchored in the back. Internally it has dividers Interchangeable objectives, possibly removable if you want to use it for another. Only lack I found is an outside pocket to insert a bottle of water handy for hiking. sent on June 17, 2015 |
 | Canon EF-S 10-18mm f/4.5-5.6 IS STM Pros: clear, low distortion (except to 10-11 mm), motor stm inaudible and fast, stable, lightweight, good construction, very low cost. Cons: objective very dark ring of maf not graduated and still without a full scale (it applies to all stm unfortunately), sold without a lens hood (canon beggars for a piece of plastic could include it). Opinion: The lens is very valuable, very good. I've had it for about a month and I've made some great shots. As long as there is light all goes well, then in low light you can not work very well if stabilized take 0.2-0.3 seconds or more is always a gamble especially it fits people moving. rnValido to use both on the stand that freehand stabilizzatore.rnLa thanks to the construction and the bayonet in plastic are not a problem, is built bene.rnE 'almost impossible to make us starry skies as not having the grid distance maf not able to work well with the maf.rnSicuramente if one does street and / or panoramas daytime has problemi.rnNonostante did several photos against the sun I've never had problems of flare, even though they speak the reviews on line.rnSe it already has 18-135 stm canon like me, he shares the diameter of the filter and would be compatible as mounting for the hood, but ends up in the visual field at 10-11 mm. sent on June 07, 2015 |
 | Canon EF-S 24mm f/2.8 STM Pros: Light, crisp, af lightning resistant to flare, good solid construction, small and great for the street. Cons: The minimum focus distance is false, af slightly noisy. Opinion: I bought it on occasion to reduce size and weight of the 70D. It behaves very well in almost all situaizoni.rnSpecifico the problem of maf: trying to photograph very close objects (flowers, insects, etc.), the lens can not control the focus on the subject even if they are at a cut from the same (ca 20 cm) and you have to take a little 'further away (it takes about 25 cm) but means that the decrease dell'ingrandimento.rnPer the rest all ok is great. sent on May 31, 2015 |
 | Nikon Coolpix P50 Pros: Lightweight, with good light pictures are good and crisp, choice of auto shooting with personalized, compatible with SD up to 32 GB. Cons: Lower bound to ISO medium high (over 800 you see so much), little opportunity to customize the shot, consumes lots of batteries, even without flash, slow autofocus. Opinion: Was given to me for graduation in 2008. It was my first (and so far only) compact digital. Now bequeathed fixed in automatic mode to my parents for their trips. 'A good car to be light and to learn a bit'. Good for souvenir photos and if you want something more than just click and go. sent on May 09, 2015 |
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