Use of converters
Can anyone tell me if there are any hard and fast rules re settings for the camera when using a 1x4 or 2x converter.I know that light stops are lost etc,and that it is probable better to use a 1x4 than a 2x.Would it help to increase the iso settings.Camera used is a 20d and at the moment a 300F4 is lens.But I would like to change to the 400(non is lens) and hopefully try using a 2x converter.But I have never had any success with this converter,so before selling it,would like to see if I can take any decent images,on a bright sunny day ie.
I am not familiar with extensive camera settings,I just tend to use the P mode,and change the iso when needed.
Any tips would be appreciated.
Many thanks,
Christine.
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