YouTube on MSN

Sigma 70-200mm f/2.8 HSM OS first look and Nikon Nikkor 85mm f/1.8 review with sample photos

I highly recommend the Nikon 85mm F/1.8 lens, considering it one of the best portrait lenses available on the market for ...
YouTube on MSN

Sigma 70-200mm f/2.8 HSM OS first look!

Please click to subscribe: update 3/29/16: I still highly recommend this lens and am glad to answer any questions on it. I ...
IEEE

18 bit Delta-Sigma DAC in 0.18um CMOS process

Abstract: The Delta-Sigma Digital-to-Analog Converter ( Δ - Σ) is designed in Verilog HDL for stereo video system. This DAC supports 16-bit or 18-bit input data and includes an 8x digital ...