Kostas Kavoussanakis wrote:
Generally:
- Look for 7-element T/Cs (the Vivitar 2x Macro focusing T/C has a good reputation). - The higher the magnification of the T/C the more compromised image you can expect (very general comment, applicable all things being equal). - The Takumar K-mount products are budget lines, lacking at least the SMC coatings that are central to Pentax's lens reputation.
I have the Vivitar Macro focusing beast, but find the Pentax 1.7x AF Adapter to be very useful for my trivial photography and an excellent idea, as it makes bright manual lenses AF.
HTH,
Kostas
Hello Kostas,
I do not nead the AF teleconverter because my body is not auto-focus it is MZ-M. Thanks for the advice, I haven't known that this converter could transform your manual focus lens in auto-focus.
Surely I prefer Pentax gear, but it is hard to find x2 Pentax T/C second hand and the prices as new are beyond what I could afford myself.
I have found that 135mm lens is too long for myself and 100mm is just OK. I use them mostly as portrait lens or street photography. So 50/1.4+T/C = 100/2.8 which is what I realy need. And it takes less space than 2 lens.
I don't know what are the advantages and the added functionality of macro focusing T/C. I was doubtful because theoreticaly 4 elements T/C will degrade less the picture than 7 element T/C.
And yes, the information was of help for me
luben

