www.cjo.info
20140202-0034
I recently bought an adaptor to mount my old Pentax Auto 110 lenses on my M4/3 cameras. If you're not aware of this camera system, the Pentax Auto 110 was a tiny SLR camera launched in 1979 that used 110 film cartridges. It was a full system camera with interchangable lenses, flashguns, auto winders etc.
It just so happens that 110 film produces negatives 17x13mm, which is exactly the same size at a M4/3 sensor, so the lenses are ideal candidates for use on M4/3 as you're using the lenses in their original scope of use.
Well, almost ideal... the problem is that in order to keep the lenses as simple as possible Pentax built a combined aperture/shutter mechanism into the camera and there by eliminated the aperture diaphram from the lenses all together. In practice this means you're always shooting at the maximum aperture (which is f2.8 for all Pentax Auto 110 lenses.) For more information see www.cjo.info/Home/Pentax_Auto_110.html
The quality of these lenses at f2.8 is a bit dire, especially away from the image centre... anyone keen on 100% pixel peeping turn away now! But I never-the-less rather like the way these lenses render a scene. And I've always thought that sharpness is perhaps the least important characteristic of a lens in determining what the photograph will actually look like in real world situations. Anyway... take a look and decide for yourself :-)
This photograph was shot using the 50mm short telephoto lens.
20140202-0034
I recently bought an adaptor to mount my old Pentax Auto 110 lenses on my M4/3 cameras. If you're not aware of this camera system, the Pentax Auto 110 was a tiny SLR camera launched in 1979 that used 110 film cartridges. It was a full system camera with interchangable lenses, flashguns, auto winders etc.
It just so happens that 110 film produces negatives 17x13mm, which is exactly the same size at a M4/3 sensor, so the lenses are ideal candidates for use on M4/3 as you're using the lenses in their original scope of use.
Well, almost ideal... the problem is that in order to keep the lenses as simple as possible Pentax built a combined aperture/shutter mechanism into the camera and there by eliminated the aperture diaphram from the lenses all together. In practice this means you're always shooting at the maximum aperture (which is f2.8 for all Pentax Auto 110 lenses.) For more information see www.cjo.info/Home/Pentax_Auto_110.html
The quality of these lenses at f2.8 is a bit dire, especially away from the image centre... anyone keen on 100% pixel peeping turn away now! But I never-the-less rather like the way these lenses render a scene. And I've always thought that sharpness is perhaps the least important characteristic of a lens in determining what the photograph will actually look like in real world situations. Anyway... take a look and decide for yourself :-)
This photograph was shot using the 50mm short telephoto lens.