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The following opinions have been automatically translated with Google Translate.
  | sent on 13 Settembre 2022 Pros: Foveon Sensor Cons: High ISO Opinion: I will be very brief. The sensor is something incredible. And this is enough and advances to understand what we are talking about. If you are looking for the best autofocus in the world, look elsewhere; if the lens is to photograph in low light, it's not for you. But if you try it, you risk falling in love with it because the sharpness of the image is extraordinary. Fairytale black and white. |
 | sent on 28 Dicembre 2020 Pros: Immediacy of the menus, ergonomics and construction, superior materials, image quality, black and white close to that of the film, already good quality of raw b/n developed in the room Cons: operational slowness, even of the software, objectives that - in some cases - can be too cumbersome and heavy. It's certainly not the machine for all uses Opinion: After so many second thoughts, I finally decided and replaced the Sony RX1rII (fantastic, beautiful, but with "too hard" and "digital" files for my taste) with this Sigma, attracted as I was by the reviews that talked about a Foveon sensor so close to the film (which I continue to use in the medium format). And, in fact, I have to say that - albeit with only a few shots taken and with software, although simple, still to be understood - the quality seems to me to be there. true colors, analog black and white. Then, it is true that it is not the machine with which to shoot on every occasion, but on this topic there are already many reviews, so there is no point in repeating them; the only thing I would like to add - but it is an opinion referring to my way of photographing - is that already in the many years of Kodachrome 25 and 64 I did not despair for some shot lost for not having in the car a film of 1600 ISO.... With the film it is not that you could change the sensitivity at will and I don't think it was a drama. For the rest, there is perhaps a lack of a fixed objective of human dimensions. I now mainly use the Sigma 30mm f1.4 Art and - although it is not among those suggested for the APC-h sensor - I do not notice any particular problems. I continue the study and the fun... |
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 | sent on 10 Dicembre 2020 Pros: SDQ's own minus the price Cons: The same as the SDQ no longer exist Aps-H optics Opinion: The same one I wrote for SDQ but in this case something has to be added. It is identical to the SDQ, an additional item in the menu, self-on-off crop and a small part of the additional sensor. The photos are identical changes the file size. 6200x4152 vs. 5424x3616. In order to take advantage of the extra sensor portion, you need to use DG series FF optics or some for APS-C DC series that almost cover, and I stress almost, the APS-H sensor. the 18-35mm A on the 50-100mm A and 30mm A. the files are fuller and become even slower, both in recovery and development. It costs exactly twice as much, both new and used, is it worth it? Everyone will make their own comments. Incomprehensible that the H has a higher rating than SDQ. As I wrote for SDQ, it costs too little and many have matched us with an old 20-year-old Sigma lens by nullifying it. The H cost twice as much and "forcing" a more suitable purchase of lenses benefited. I preferred to have 2 SDQ bodies. |
  | sent on 01 Ottobre 2020 Pros: Ergonomics, image quality, solid construction, available quality optics, fantastic black and white, removable and removable ir filter with ease (2 real seconds). Sigma Photo Pro development software works wonders if you know how to use it and if you have proper hardware. Very well done Tethered Sigma Capture Pro shooting software. Cons: Single memory slot, no electronic shutter or first electronic curtain Opinion: To review this camera you must first of all understand what it is built for, otherwise you give bizarre judgments that sound like "this Ferrari is uncomfortable on the dirt road". Intended use: studio photography, landscape photography, architecture photography, product photography, macrophotography, portrait, reproduction of works of art, fashion photography Merits: construction quality, image quality, ease of use. Image quality: natural detail rendering, very high detail, very high color depth (reproduces shades of color that Bayer sensors simply do not see). This results in very three-dimensional images and with very natural tonal passages. The yield is medium format. With this camera my images need very little post production. Black and white: The characteristics of the Foveon sensor allow an unreliable black and white for a Bayer sensor, perhaps the Foveon is only exceeded by the Leica monochrome sensor (do two counts on costs and versatility). Infrared photography: the IR filter is removed (and then reassembled) in a few moments and a special filter in front of the lens is enough to shoot in infrared. Performance af: more than suitable for use, face recognition works well. Battery grip: done well, improves grip and autonomy. Flash compatibility: My godox flashes and Godox transmitter (all for Nikon) work well in manual, no ittl. What I would have liked: dual memory slot (for when not shooting thethered), electronic shutter or first electronic curtain (to eliminate shuttershock risk). It's not for everyone, it's for those who know what they want. To me it changed photography for the better (and photographer for 30 years). This camera really deserves, I invite you to try it for yourself, comparing it to a high-level Bayer sensor camera (I compared it to Nikon D850, 47MP without AA filter: it won the Sigma for image quality). I link to more discursive and complete review: http://forum.foveon.it/index.php?topic=9288.0;topicseen |
 | sent on 12 Ottobre 2019 Pros: spatial resolution, photographic approach to which it "forces", unique character Cons: not for everyone, limited usage range for the less-navigated Opinion: After almost 10 years of Canon I am gradually migrating from the reflex system to the mirrorless one and the Sigma immediately conquered me for 3 motvi: 1 the foveon sensor and more generally the yield to 100 iso 2 slow grafts and reflex batteries 3 solidity , singular appearance and build quality Bonus- the ability to easily remove the infrared filter to experience this type of photography I used this machine for still life and studio portraits and is not comparable to any ff on the market. photos of this quality you can see only with the medium format I also tried a little wedding and reportage and I have to say that it gets away but you see that it is not a machine designed for too dynamic use the real treat is to use it with m42 adapter for still life in the studio with vintage lenses... the sharpness that develops in combination with the 35 mm sgma art catapults you into another dimension!!! |
 | sent on 17 Marzo 2019 Pros: Foveon sensor, great resolution and chromatic rendering in the appropriate shooting conditions, is a machine that forces you to think before shooting and allows you to devote the right time to search for the composition, without being taken by the heat of having to shoot. Cons: Foveon sensor, abnormal behavior when sunlight or at least a strong source of lighting enters directly into the frame (color spots and dominant green or magenta that appear randomly in the whole image): just slightly angle the lens and everything disappears... Even with everything possible activated, in the crosshairs there is no real response with the final image, so you have to think about a period of learning and closeness with the use of the lens/machine pairing in order to achieve results that, at that point, become excellent. SA optical attack, virtually non-existent adaptors rings to use lenses equipped with other bindings, with the sole exclusion of the M42 and Hasselblad medium-format attack. Opinion: I have inserted the Foveon sensor both among the pros and cons of this mirrorless, because the particular construction architecture of the sensor is the best value and the worst defect of this machine, which I love unconditionally. It is a machine dedicated to those who are not in a hurry to shoot and run away, so forget about the action or sports photography. When used according to its own characteristics (in my opinion fantastic, once you understand), the sensor offers the best of the market in the yield of detail and colors. Since, for constructive reasons, a charge amplifier on the individual photoreceptor, it is not possible to adjust the gain (forget to use the medium and high ISO), since raising the ISO would only serve to underexpose during the shooting phase and then have to regain in pp the underexposure, resulting in exponential increase in noise. Remember when you "pull" the films with analog machines? Well, the mechanism is the same, with the proper technological differences. If you are working on ISO 100 the sensor offers a truly exceptional performance and I say this as it is used to using reflex and ml equipped with Bayer matrix sensors with very high number of pixels. The yield of the files, especially in the monochrome, is very high, at the level of the best realizations on the market. I bought the machine equipped with battery grip and, since it is equipped with APS-H sensor, I matched the brand new lens "Sigma 40mm f:1.4 Art DG HSM - SA mount", which in my opinion is among the best lenses made by Sigma in the Art series. I collected the shots made with sigma Sd Quattro H on this Flickr album: https://www.flickr.com/photos/henry62/albums/72157690414585203 |
 | sent on 25 Luglio 2017 Pros: Machine body quality, unrivaled jpeg (if not in the MF), ease of use, the right conditions made by the pro without compromise in quality, b / n comparable only to the leica monochrome. Cons: Battery life, "iso" iso hold (color no more than 400 iso, in b / n even 1600 where it generates a pleasant grain), difficulty in finding optics and accessories. Opinion: I recently bought this car body, aware (thanks to the few discussion forums) of the field of use. I decided to make it the only body, selling the previous kit (d300 + various optics). 100 bucks the breath. Every generated photo ranges from 65 mb to 500 that came out with the SFD option. Great yield up to 400, beyond becomes good for the web, but loses a lot in print. Slow processing program (for file size) needs a good pc behind it. Precise but slow autofocus (already budgeted, so I do not bother you). The only chance that made me lose my nose was during the first session; The battery life is embarrassing (I had to buy two spare parts in anticipation of a trip). For the rest, as previously estimated by the previous review, is not a system comparable to the Bayer technology flow. You acquire aware of what you can offer. And in its comfort zone, the yield is better than any current ff systemYou trade. |
 | sent on 18 Maggio 2017 Pros: Superb file quality, great dynamic range, detail and amazing color. Rugged body and excellent finishes, simple menu and well-arranged controls. Very accurate electronic viewfinder. Cons: Absolutely none for the kind of device. Not easy to find on the market. Opinion: For those who already know and appreciate the Foveon sensor, this machine is its consecration. Turning it in his hands reveals an absolute sense of solidity and robustness. The detail you can record is something you've never seen before, and the file malleability is far bigger than that generated by the compact "DP" series and the old flagship Sigma Sd1 Merrill. For those who are accustomed to shooting in analogue to find work with this sensor will be a joy. The operating speed is lower than the various reflexes on the market but we are talking about a tough product comparison. I only had it for a few weeks and as soon as possible I will regain it, probably greeting the reflex system definitively. If you have the chance to test it, bring the file home, open it and you will not be back. RnProduced with MTrading warranty of 3 years if purchased in a physical store, you spend more but you sleep quietly. |
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