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Align your finder to your telescope - pro tip!
50 Minute Focus Finder
Focal Length Finder
So, Your Photos Aren't Sharp? Here's Why.
Testing the Focal Length Finder Tool
IB/E Smartfinder Pro | Director’s Viewfinder (electronical) for lenses up to 65mm format | Tutorials
Choose the Right Focus Area on your Sony Alpha Camera
Perfect Camera Exposure with Zebra Stripes | Sony Alpha Universe