Short HD Vid with the K7 and 300mm Sigma + TC's

cmohr · 12-03-2011, 07:05 PM

Just a short vid of a couple of birds, with the K7. The lens is my new Sigma APO 300mm f2.8, with stacked teleconverters Sigma APO 1.4 DG EX and the Pentax SMC AFA 1.7. so approx 714mm/6.7.

You Tube

cmohr · 12-03-2011, 08:34 PM - **1 Like**

And a quick few seconds of a fucus pull thru a palmtree, with Sigma 600mm plus tamron 2x, Kenko 1.5x and Pentax 1.7 stacked.

You Tube

fuent104 · 12-04-2011, 09:08 PM

The moon looks brilliant. My teacher told me the sunny 16 rule works really well for the moon. However, I don't actually know how to apply it, especially without manual control over exposure. This video also underscores the unfortunate need for a follow-focus when doing a focus pull on a long lens.

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12-04-2011, 09:08 PM	#3
fuent104 Veteran Member Join Date: Apr 2011 Location: California Photos: Gallery Posts: 1,356	The moon looks brilliant. My teacher told me the sunny 16 rule works really well for the moon. However, I don't actually know how to apply it, especially without manual control over exposure. This video also underscores the unfortunate need for a follow-focus when doing a focus pull on a long lens.