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Upgrade the memory of your 2019 iMac up to 128GB
Apple 15" 2019 MacBook Pro
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Dual Sigma dp0 Quattro Aperture Series: Backlit Bristlecones + Bristlecone Log

Sigma dp0 Quattro

Get Sigma dp Quattro at B&H Photo. I am a fan of the Sigma DP Merrill line. As this was written, get 22% off on the Sigma DP Merrill line.

See also the review of the Sigma dp2 Quattro.

The Sigma dp0 Quattro extends the focal length range of the Sigma dp Quattro line. Its 14mm f/4 lens is equivalent to a 21mm f/5.6 on a full frame camera.

These two demanding scenes are perfect ETTR exposures that max-out the dynamic range of the Sigma dp0 Quattro.

Sigma dp0 Quattro Aperture Series: Backlit Bristlecones

Sigma dp0 Quattro Aperture Series: Bristlecone Log, Frontlit

Sharpness is assessed in shadow areas in particular. Discussion of depth of field and appropriate aperture are included, along with a discussion of diffraction-mitigating sharpening.

Also shown are the Sigma Photo Pro processing settings, RawDigger histogram, and Photoshop adjustments following conversion to 16-bit TIF. Includes color and black and white for both images. Entire-frame images at sizes up to full resolution from f/4 - 7.1 - 9.

f4 @ 1/200 sec, ISO 100; 2015-07-27 15:08:53
SIGMA dp0 Quattro + 14mm f/4 @ 21.4mm equiv (14mm)

[low-res image for bot]
f4 @ 1/500 sec, ISO 100; 2015-07-27 15:22:43
SIGMA dp0 Quattro + unspecifiedLens @ 21.4mm equiv (14mm)

[low-res image for bot]
Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMM modules for most users (more expensive LRDIMMS are for 512GB or more).



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