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Vivitar 28mm f2.8 Macro lens on my K50..need some help

Started Jan 2, 2019 | Discussions thread
Fred_Last Contributing Member • Posts: 525
Re: Vivitar 28mm f2.8 Macro lens on my K50..need some help

P.S. Actually Tv (shuter priority) mode also works with your lens. The "A" (automatic) setting on the lens is designed for shutter priority mode of film-era SLRs, when the user determines the shutter speed, and the camera automatically change the aperture setting in the lens according to metering result.

If you change to "Tv" mode, you shall see the top row shutter speed number turns blue. The shutter speed value will change when you turn the finger dial in front of the shutter release button, and the camera will determine the aperture value (you should see the aperture number change when you point to different areas of brightness).

There is also the dual "Av/Tv" mode which allows you to change both aperture and shutter speed for convenience, so that you don't have to shift from Av to Tv or vice versa.

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