I'm considering purchasing a RB67 system (used), and in order to save money, may purchase a 2x
teleconverter, so that my 90mm lens can also be my 180mm lens. What are your experiences with
teleconverters? Which are best in quality in terms of both image quality and durability? What other powers (1.4x, 1.7x, etc.) are available other than the 2x?
<p>
I'd like to know if anyone can tell me the quality of various 2x teleconverters (such as the Mamiya, Rokinar, Vivitar, Pentax, Kenko, etc.): which gives the best performance (meaning least loss of resolution, fuzziness in corners, etc.)? Are there any which have NO drawbacks? Can anyone refer me to specific test results on teleconverters? I don't want to save $400 by buying a teleconverter rather than a lens, only to compromise in image quality, and go kicking myself over ruined images.
<p>
Can anyone tell me what the pros and cons of working with a bellows (on the RB67) as opposed to
screw-on close-up lenses (say on another camera like the Pentax 67) for close-up work? Is there
better image quality, depth of field, less distortion...?
RB67: Teleconverters & Close-ups
in Medium Format
Posted
I'm considering purchasing a RB67 system (used), and in order to save money, may purchase a 2x
teleconverter, so that my 90mm lens can also be my 180mm lens. What are your experiences with
teleconverters? Which are best in quality in terms of both image quality and durability? What other powers (1.4x, 1.7x, etc.) are available other than the 2x?
<p>
I'd like to know if anyone can tell me the quality of various 2x teleconverters (such as the Mamiya, Rokinar, Vivitar, Pentax, Kenko, etc.): which gives the best performance (meaning least loss of resolution, fuzziness in corners, etc.)? Are there any which have NO drawbacks? Can anyone refer me to specific test results on teleconverters? I don't want to save $400 by buying a teleconverter rather than a lens, only to compromise in image quality, and go kicking myself over ruined images.
<p>
Can anyone tell me what the pros and cons of working with a bellows (on the RB67) as opposed to
screw-on close-up lenses (say on another camera like the Pentax 67) for close-up work? Is there
better image quality, depth of field, less distortion...?