Close up filter and 2X Teleconvertor


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Jan 27, 2003
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I have jus brought a 75-300mm lens...
How much tele can i get if i use close up filter

what is the diff between Close up filter and 2X Teleconvertor
 

Garion

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Nov 26, 2002
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Kelvin^Newbie said:
I have jus brought a 75-300mm lens...
How much tele can i get if i use close up filter

what is the diff between Close up filter and 2X Teleconvertor
Close up filters and Teleconverters are two different things altogether. Close up filters are screw on filters added to the front of the lens to enable your lens to be able to focus on close-up objects, for example flowers and insects. Close up filters are primarily used for macro photography. Teleconverters on the other hand extend your working distances from the subject (usually by a factor of 1.4x or 2x) so the focal length of your lens also increases proportionately. For e.g, your 75-300mm lens becomes an effective 150mm-600mm lens if a 2x teleconverter is added to it.
 

Jan 27, 2003
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Garion said:
Close up filters and Teleconverters are two different things altogether. Close up filters are screw on filters added to the front of the lens to enable your lens to be able to focus on close-up objects, for example flowers and insects. Close up filters are primarily used for macro photography. Teleconverters on the other hand extend your working distances from the subject (usually by a factor of 1.4x or 2x) so the focal length of your lens also increases proportionately. For e.g, your 75-300mm lens becomes an effective 150mm-600mm lens if a 2x teleconverter is added to it.
hmmz....i understand liao..thank...
my lens minimum focus is 1.5m so if i use close up filter how much closer can i go?
 

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