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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Daytime Venus Rising Dip Short
From: Bill B
Date: 2012 May 03, 17:57 -0400
From: Bill B
Date: 2012 May 03, 17:57 -0400
On 5/3/2012 4:50 PM, Greg Rudzinski wrote: > A better image of todays sunspot. Taken with a 200 mm Pentax lens. A couple of questions: Assuming a digital camera, does it have a full size (24MM x 36mm) array, or a smaller chip that would effectively reduce the field of view and cause the lens to approximate a 280mm lens in 35mm format? What are you using for a filter? Thanks Bill B.
