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 ...

These landscape photography tips will have you itching to head into the hills with your tripod and filters to capture ...

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 ...