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Tizio_82 www.juzaphoto.com/p/Tizio_82  |
The following opinions have been automatically translated with Microsoft Translator. | Nikon 24mm f/2.8 AI Pros: Great colors, CA contained if not absent, excellent tonal step handling. Good sharpness up to f4, very good at f5.6, while from f8 unimpeachable. Light and relatively bright. Precise focus dial, mechanically precise. Content diameter filters. Cons: low contrast, especially in full sun and waning sharpness in the subjects on the horizon indefinitely. Distortion at the edges a bit complex with whisk. Opinion: Premise 1: The lens is used on Nikon d3400, then on a very dense sensor and without focus aulisis; Premise 2: Anti-reflective treatment dates back to a different era and cannot be compared to current treatments. I really like the colors and the management of tonal steps. the black and white you can get is excellent. I don't see a great CA, in fact, and this contributes to the feeling of cleanliness of images and colors. Good sharpness up to TA, maybe all too good on short distances, and at f5.6 a portrait set will be really detailed. Weight is one of the strengths, as well as maximum openness. Mechanically the construction is unimpeachable. Focus can be difficult on a machine with a small, dark viewfinder like the d3400, but this is a problem all related to the machine body. sent on January 15, 2020 |
 | Nikon Ai-S 50mm f/1.8 Mark III Pros: Colors, tonal passages, planar scheme, impeccable metal construction and leaded glass, very well-spaced focus, compactness and weight minimized. Cons: Low direct sun resistance, generates flares. Loss of contrast and magenta saturation in counter-sun scenes. Manual focus - but you should know from the purchase Opinion: In summary: grade 9, because defects are known in this type of lenses and are similar for many lenses of the seventies-eighties. The resistance to flare is very low, with obvious decadence of contrast and dominant purple and magenta in every where in the countersshot. For the rest, a joy for the eyes ! Beautiful and vivid colors, sensations difficult to make objective to describe them. The images emerge pleasant and the detachment of the floors is remarkable. The tonal passages are natural, the skin is rendered with a sweetness and commendable realism. Sharp from f2, and then at 5.6 becomes very sharp; a f8 as usual for this type of lens impresses for cleanliness and sharpness. Chromatic aberrations in the norm, nothing of concern and is limited to small halos. I have done many portraits with this lens and i have always been very satisfied, both with the sunlight and with the flashes in the studio. Don't confuse this version with the E series. This version, where the "E" sign is missing on the edge of the lens, represents an end point for the development of optics. Subsequent versions introduced autofocus but progressively lost quality in lenses and materials. Compared to the current 50mm Af-s G there is no comparison in the rendering of colors and tonal passages. Where the G series surpasses the old man is in the correction of night lights, such as neon, and in the light shots, as modern coating paints are more effective in these kinds of photography. sent on July 23, 2019 |
 | Canon EOS 33 Pros: Robust, perfect ergonomics, top screen, good autofocus, bright crosshair, lots of automatic features, infinite battery, retractable flash, semi-professional Cons: Analog (but you already know what it is). The shot is not silent but it is not a real flaw. In spot mode the measured area is 10%, not so small, but not too big Opinion: With a few keys and dials you'll have everything under control, including shooting mode, bracketing and all the advanced features. The 9-point autofocus is reliable, even with the outermost points, but up to -2 EV, after which at -3 EV hooks often, but not always. Exhibitometer is very constant and consistent in the results, even in difficult light situations. In spot mode, the measured area is 10%. Maximum shooting time 1/4000, which may sometimes not be enough if you don't use a nd filter as part of portraits. Perfect compatibility with all Canon EF optics. In intellectual honesty I declare that I have put the machine in question on sale, just because I have to put the film aside in favor of digital; I predict that I will miss the feeling of immediate confidence that this EOS 33 gave me. sent on July 12, 2019 |
 | Sigma 17-50mm f/2.8 EX DC OS HSM Pros: Constant opening. Autofocus motor integrated into the lens and compatible with Nikon entry-level SLR cameras. Very, very limited chromatic aberrations. Focal excursion essential for a handyman zoom. Sharpness. Blurred acceptable for an economical zoom. Excellent price and performance ratio Cons: Not frated if resting and stretching along the severity. The weight, then not so high for the quality that expresses, however, does not balance the reflex that do not have a solid grip (Nikon d3400 for example). Not tropicalized. Focus ring with excursion too short and not well usable. Opinion: I use the zoom on Nikon d3400, and the reason for the purchase was to be able to shoot in the focal lengths that most use on APS-C (18mm, and 28mm) with good quality and wide openings. In the Nikon catalog I have not found solutions except at the cost of having to upgrade the camera body to preserve the autofocus. Excellent sharpness. Its best performance is between F4 and F 5.6 and between 17mm 20mm and 28mm. A possible defect of which it is important to be aware: the lens corrects many faults and this makes the image slightly flat in the subjects close together and with a little abrupt tonal passages. Obviously this is a compromise that I gladly accepted to have excellent flexibility, stabilization, and better quality of a kit lens at a very low price. No problem of back or front focus, precise autofocus in my case (I almost always use the center point or the automatic.) I would only replace it with a couple of high quality fixes. sent on May 13, 2019 |
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