How to Rebuild Lightroom Previews to Optimize Speed, Space, and Integrity


This post is by Peter Krogh from PetaPixel


Click here to view on the original site: Original Post




Over time, Lightroom may become slow to render thumbnails and scroll through images. Rebuilding all previews may significantly improve performance. It may also significantly reduce the size of your Lightroom catalog. Rebuilding previews also serves as a file integrity check. So what are you waiting for?

Background

Previews in Lightroom are JPEG files that are used for thumbnail viewing. They can also be used for full-size viewing, particularly for offline media. Lightroom makes several (or more) of these previews for each image.

The previews are the largest component of Lightroom catalogs. And while Lightroom tries to manage them cleanly, that’s

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Reaching the Megapixel Limit (for 35mm Camera Scanning)


This post is by Peter Krogh from PetaPixel


Click here to view on the original site: Original Post




Since I first started camera scanning, I’ve always advocated using the highest resolution camera you can get ahold of. (My first camera scans were with the 1.3-megapixel Nikon E2n, so it’s been a long road.) That advice is changing.

The new highest-resolution DSLR cameras now have such high pixel density that you may get better scans by backing down to a lower resolution camera, at least for 35mm. Here’s why.

Diffraction-Limited Resolution

The main problem is not camera design or lens design — it’s physics. As light passes by the blades of your aperture, it bends. But

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Help Your Clients, Help Yourself: Join The Libris Photographer Referral Program


This post is by Peter Krogh from PhotoShelter Blog


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For 30 years, Peter Krogh has made photographs for companies, agencies and institutions worldwide. In 2005 he published The DAM Book (O’Reilly) which has become the most widely-referenced book on the care and feeding of a digital photo archive. He’s the go-to expert in all things Digital Asset Management (DAM), and has worked closely with…