pentax pcf vs dcf
Both of the Pentax binocular series - the DCF and PCF - will allow you to view ospreys across the river. The price difference between the two Pentax binocular series is a matter of the type of prisms used in each.
The Pentax PCF binocular series uses a porro prism. This gives the binocular the familiar dogleg shape of the traditional binocular. Porro prisms offer good performance at a reasonable price, but produce a binocular that is larger and bulkier than a comparable roof prism binocular.
The Pentax DCF binocular series uses a roof prism. The roof prism design is sleek and compact and most, but not all, people prefer the comfort this type of prism provides in a binocular. However, to build a roof prism binocular to the same optical standards as a porro prism binocular is more expensive.
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