Alex Fuchs Posted August 13, 2005 Share Posted August 13, 2005 Hi, I'm looking for some standard lenses for 16mm but I'm not really sure what they are. I bought an Krasnogorsk3 whit M42 lens mount. I'm am an 16mm rookie and I don't really know, what standard lenses in 16mm are. Is a 25mm lens a standard as in 35mm a 50mm lens? What about a wide lens? Is it a 9mm? I'm glad if someone help me? Is there an webpage where 16mm technicals are explained? Thanks a lot. Greetings from Germany Link to comment Share on other sites More sharing options...
Cotton Posted August 13, 2005 Share Posted August 13, 2005 Hi Alex! for calculating the focal lenght of a standard lens you have to square side a of your frame and add the square of side b. From this gotten figure you extract the root and then you get the focal lenght in milimetres. Unfortunately I can't tell you the size of a "Normal 16" frame, I really can't find the size of it. For example in 35mm: Side a is 24mm, side b is 36mm. > (24mm)²x(36mm)²= 1872mm² > After extracting the root: 43,26mm Best regards from munich, Toni Link to comment Share on other sites More sharing options...
Cotton Posted August 13, 2005 Share Posted August 13, 2005 So, "Normal 16" is 10,3mm x 7,5mm. A standard lens has a focal lenght of 12,7mm. Link to comment Share on other sites More sharing options...
Steven Budden Posted August 15, 2005 Share Posted August 15, 2005 Hmmm... I think I've heard that 25mm is the standard focal length in 16mm. 12mm is pretty wide. Standard configuration is a 10mm (wide) 25mm (medium) 50mm or 75mm (telephoto) or a zoom which can do them all. Steven Link to comment Share on other sites More sharing options...
Alex Fuchs Posted August 15, 2005 Author Share Posted August 15, 2005 Thanks, you two. Steven, that's exactly was I heard meanwhile. Link to comment Share on other sites More sharing options...
Guest jeremy edge Posted August 15, 2005 Share Posted August 15, 2005 The zenitar m 16mm 2.8 works great with the k3. For handheld it's almost like it was made for the camera.covers the full super 16 frame if you decide to widen the gate. Use a fountain pin to push the auto exposure pin into the body of the lens so that it stays so you can adjust exposure manually. Link to comment Share on other sites More sharing options...
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