Reviews written by Claudio Mattiuzzo

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Claudio Mattiuzzo
www.juzaphoto.com/p/ClaudioMattiuzzo

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Reviews of cameras, lenses, tripods, heads and other accessories written by Claudio Mattiuzzo

The following opinions have been automatically translated with Microsoft Translator.

Hoya HD Circular Polarizer

Pros: It takes away only one stop, it removes very well the reflections on the windows, on the water, etc... Not vignette at the corners, does not create internal reflections of any kind,

Cons: Thread that does not lock well on the lens, tends to unscrew lightly yellowish shades on the whites does not create too saturated blue framing the sky

Opinion: In total a great product. It removes reflections optimally. A very transparent glass that lets a lot of light pass mounted on the lens. But I noticed that it gives a slight yellow/warm shade to some colors, especially whites, easily adjustable in post production. The sky doesn't make it as blue as other polarizers. It is necessary to tighten it firmly to fix it to the objective otherwise it unscrews a little at a time as it works, it is good practice to rotate it for adjustment in the direction of screwing to the objective. The frame that supports the lens is in aluminum. The glass has a treatment that does not emit reflections even holding it in your hand. In conclusion a good last generation polarizer.

sent on November 04, 2018

Kenko Pro 300 DGX 1.4x

Pros: It works with the Sigma 500 EX F/4.5. It focuses in outdoor even over at f/11

Cons: Slightly soft

Opinion: Tried with Nikon D750 + Sigma 500 EX f/4.5. All the automations work. It is preferable to use it with the tripod and absolutely use a button for the shot, so as not to move the lens, because since it softens the photo slightly (like almost all teleconverters) if we add the micro moved then the photo is to throw. While if used as I explained the photos remain good. Almost precise coupling, remains a slight slack once hooked to the camera body but I have not found defects in the photos. The autofocus works pretty well, being not very fast that the Sigma does not notice the live performance decrease. Excellent product and at an honest cost. A greeting

sent on June 01, 2018

Sigma 24-105mm f/4 DG OS HSM Art

Pros: Sharpness-autofocus-color

Cons: Vignetting with a FF

Opinion: EXCELLENT in almost everything. It seems to have a goal macro.rnE an all do ... 24-105 in FF is an excellent compromise in viaggio.rnHo noticed a slight loss of definition by stopping down. Up to F.11 all ok then there is a little bit of loss. Another small negative is a slightly pronounced vignetting at 24mm with my FF.rnHo made a fairly accurate comparison and can say that it is only slightly ... but really ... a trifle less by definition at 70-200 f, 2.8 VR II.rninoltre autofocus and fast and does not make any noise, even if the ear closer to the objective ... eccellenternLa setie Art Sigma is really something else.

sent on March 25, 2016