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EXCERPT page containing first few paragraphs. 2022-01-22 18:51:16

Sigma dp2 Quattro

Real World Shooting: Lack of an EVF

Lacking an EVF, the dp2 Quattro must be held at arm’s length to shoot (but see below on the optical viewfinder). But shooting at arm’s length introduces tremendous shaking: zoom in to 8X and it looks like an earthquake is in progress. All cameras without an EVF and only a rear LCD suffer from this issue, though some at least have image stabilization.

Shooting in low light such as at dusk presents a serious challenge to obtaining sharp images when shooting handheld. The implication is that image quality will suffer either from camera shake (sharpness) or noise and sharpness (higher ISO). No conventional test captures this practical reality, which exerts a powerful influence on image quality.

But it’s worse—when shooting portraits, particularly at f/2.8, the iris must be crisp (spot AF mode is best). But to lock focus and then expose while holding at arm’s length with zero movement is quite a challenge; a slight change in distance by is almost a certainty when holding the camera out in front. It makes the job far harder than it need to be.

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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

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  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

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