F/4 is the golden aperture: any wider and center sharpness gives way to corner softness, where the lens relies heavily on distortion correction. Plastic components are the trade-off for a ...

Sigma does not include a USB-C cable or power adapter with the BF, only the BP-81 battery and an aluminum body cap. Body caps ...

The Sigma BF draws attention with its modern industrial design and woos creative photographers with a streamlined interface and gorgeous color profiles, but it offers fewer features than mainstream ...

After hours: March 13 at 5:43:52 PM EDT Loading Chart for NGG ...

Abstract: This paper discusses the problem of the minimization of the distortion of a signal by a quantizer when the number of output levels of the quantizer is fixed ...

CBS has asked the FCC to reject a complaint by a right-wing public interest law firm alleging a “60 Minutes” interview with Kamala Harris represented “news distortion” — with the ...

H / L Selectable Other Focus Features Focus Sensitivity Range -1 EV - 20 EV ISO 100 Equivalent with F2.0 Lens Attached, AF Mode AF-A Automatic AF, AF-S Single-shot AF, AF-C Continuous AF, DMF Direct ...

For landscape astrophotography, start with a lens with a focal length of between 50-100mm lens. This will produce an image with a mid-focal length and depth of field to resolve details on the ...

Focus Points 9-point AF Center Point Cross-type and Vertical Line Sensitive When Supporting f/2.8 Metering Modes Evaluative Metering 315 Zones, Partial Metering 6.0% of Live View Screen, Spot Metering ...