Is pentaprism better than pentamirror?

Started Nov 1, 2012 | Discussions thread
Jim in Hudson Senior Member • Posts: 2,147
Re: Is pentaprism better than pentamirror?

Mac McCreery wrote:


Given the low price of the K30 (see previous thread) I am tempted to upgrade from my Kr.

This is mainly because I wear varifocals and I have always wondered if there is a significant advantage to using a prism as opposed to a mirror.

Many thanks.


Can't compare to a K-r but when I was comparing the K-30 to a D5100 and T3i, the K-30 OVF was significantly better (to me) than the Nikon and Canon pentamirrors.

 Jim in Hudson's gear list:Jim in Hudson's gear list
Olympus E-M1 Pentax K-3 Sigma 10-20mm F4-5.6 EX DC HSM Pentax smc DA 55-300mm F4.0-5.8 ED Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR +4 more
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