Focus Breathing
Focus breathing is any geometric change in field-of-view with adjustment in focus distance. Cinematographers noticed these changes in their moving pictures. The visual effect reminded them of the filling and
Author: matthew.huizing
Sony A-mount to E-mount LA-EA Lens Adapters
Sony produces 5 major versions of their A-mount to E-mount lens adapters: LA-EA1, LA-EA2, LA-EA3, LA-EA4, and LA-EA5. 1 and 2 are designed only for APS-C capture, and their baffles
Continue reading…Sony A-mount to E-mount LA-EA Lens Adapters
The Most Valuable Minolta Lenses
Searching for the best Minolta lenses in search engines finds some hilarious lists. Minolta’s late consumer F4.5-5.6 zooms should not be on those. Forum threads are mostly filled with more
Alpha Lens Ecosystem
Linear Motors The only thing new about the recent linear motors is their size and number. Nearly all the original FE lenses had voice-coil linear motors: 2/28, 2.8/35ZA, 1.8/55ZA, 16-35ZA,
Alpha System Timeline
1985 – Alpha Begins Minolta released their autofocus Alpha system in 1985 with one camera the Alpha 7000 and 12 interchangeable AF lenses. Many of the new AF lenses used