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02-24-2013, 04:16 PM   #1
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Metering with Exposure Compensation button on k-x: Necessary with my F lens?

Hi all. I used several manual lens on my k-x for a couple of years, learning how to use the camera. I learned to use the Exposure Compensation button to let it set an appropriate shutter speed in place of using the light meter. Last spring I bought a SMC F 50 1.7 from KEH, and I continued to use the button to check for correct exposure. Now I'm wondering -- should this lens be able to work with the light meter, or am I doing it the right way for this lens? Would appreciate any help...

02-24-2013, 04:34 PM   #2
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The Pentax F 50mm f/1.7 is my go to lens for a lot of things. It should (and does for me) work perfectly with the camera. It is not a manual lens and functions exactly the same as any new modern lens. That said, no reason you cannot use the button to set exposure, you just don't have to.
02-24-2013, 04:35 PM   #3
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A Pentax F-series lens can use the full capabilities of your K-X. That includes all exposure modes (so long as you put the aperture ring in 'A' position), and auto-focus. There is no reason to use the Exposure Compensation button on a routine basis for stop-down metering, unless you want to.
02-24-2013, 04:42 PM   #4
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Wow, it only took almost a year for that to occur to me. Thanks for the answer!!


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