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Forum: Pentax Price Watch 05-12-2016, 12:58 PM  
Very Last Chance for KatzEye Focusing Screens ("Final Production Run")
Posted By excanonfd
Replies: 98
Views: 8,008
Spot metering with any split prism focus screen is unreliable on a DSLR - which is a given - but centre-weighted and matrix metering work just fine with or without Optibrite treated screens. I always chimp the first shots to check and adjust the exposure with exposure compensation regardless of the lens used, the shots following thereafter are mostly consistent.

Optibrite treatment does noticeably increase the brightness of the focus screen over the focus screen without the Optibrite treatment. I was fortunate enough to acquire KatzEye focus screens with Optibrite treatment for both of my Pentax DSLR (K10D, K-5 - K10D already had a KatzEye screen without Optibrite treatment).

Having a brighter focus screen means that whether you use fast lenses or not, you can start shooting earlier in the dawn and finish later into the dusk. And as any photographer knows, truly magical lighting conditions occur in the early dawn or late dusk hours - I am just too lazy to go out and shoot in those wee hours.:p
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