Why Does Aperture Change When I Zoom My Lens?

In How-To by Jeff Harmon9 Comments

The aperture changes as you zoom your lens because the lens does not physically support the widest (smallest number) aperture at all focal lengths of the lens. This is most often something photographers see in very inexpensive lenses.

Help! Why Are There Black Bars Across My Photo?

In How-To by Jeff Harmon3 Comments

You can end up with black bars across your photo if you are using flash and you have set your shutter speed faster than the “max sync speed” of your camera. Rarely can a camera have a shutter speed faster than 1/250 of a second but you have to check your manual for the specific “sync” setting for your camera. …

Adjustment Syncing and Selection in Lightroom

In How-To, Photo Taco Podcast by Jeff HarmonLeave a Comment

Jeff Harmon answers a listener question about how it is that adjustment syncing between two or more photos should work in Lightroom.  He describes some important details about how photo selections work, the role of the “active” photo in selections and adjustment syncing, and some reasons why it may be that adjustment syncing may fail.