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<blockquote data-quote="480sparky" data-source="post: 734311" data-attributes="member: 15805">There is no 'official' definition of the term macro.&nbsp; It is generally accepted that 'macro' photography starts at a reproduction ratio of 1:1, or 100%.&nbsp; This means the image projected onto the digital sensor or film plane is the same dimension as the actual subject.&nbsp; For example, if you were shooting with a full-frame camera, and your subject measures 24x36mm, it would fill the sensor/film frame.&nbsp; If it didn't the reproduction ratio would be 1:1.5 or 1:2. If the projected image is larger than the subject, you have RRs of 1.5:1, 2:1 or more depending on the magnification.Manufacturers tend to play fast and loose with the word macro.&nbsp; Some will call a 1:2 lens a macro.&nbsp; Some sill claim 1:3 is.Any lens can be used for macrophotography. For the vast majority of them, it would require using additional equipment such as your bellows or extension tubes. Close-up lenses, reversing rings and coupler rings are other pieces of gear that can be utilized.</blockquote>

[QUOTE="480sparky, post: 734311, member: 15805"] There is no 'official' definition of the term macro. It is [I]generally[/I] accepted that 'macro' photography starts at a reproduction ratio of 1:1, or 100%. This means the image projected onto the digital sensor or film plane is the same dimension as the actual subject. For example, if you were shooting with a full-frame camera, and your subject measures 24x36mm, it would fill the sensor/film frame. If it didn't the reproduction ratio would be 1:1.5 or 1:2. If the projected image is larger than the subject, you have RRs of 1.5:1, 2:1 or more depending on the magnification. Manufacturers tend to play fast and loose with the word macro. Some will call a 1:2 lens a macro. Some sill claim 1:3 is. Any lens can be used for macrophotography. For the vast majority of them, it would require using additional equipment such as your bellows or extension tubes. Close-up lenses, reversing rings and coupler rings are other pieces of gear that can be utilized. [/QUOTE]

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