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Some digital cameras can adjust for lens focal problems. Sometimes the focus was sharp enough but other times, especially at f/2.8 (limited depth of field) the shots were soft. This was a film camera and no local calibration was possible. 

1Wood double-hung: Andersen 400 Series, $310 per window.2Vinyl double-hung: Simonton Pro-Finish Contractor, $260.3Fiberglass double-hung: Integrity from Marvin Ultrex, $450.4Wood casement: Andersen 400 Series, $400.

A replacement window is a window that is installed in an existing window opening as replacement of the existing window. Old weather beaten windows deteriorate and become loose and drafty.

Remove the inside stop pieces from the window. Take care when removing these pieces, you'll reuse them when installing the new windows. 2. Remove the inside sash. 3. Slide the outside sash to the bottom of the window. 4. Clean the window jambs and sill thoroughly.

For a standard size, double hung, double pane vinyl window, expect to pay between 450 and 600 dollars, including installation. Wood windows are more expensive. The cost of a wood replacement window can range between 800 and 1,000 per installation.