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Photography Q&A
Extension Tube question
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<blockquote data-quote="WhiteLight" data-source="post: 224276" data-attributes="member: 9556"><p>I could be wrong, but i remember reading it somewhere..</p><p>This is the actual formula for calculating Magnification Ratios <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Mag. Ratio = ((Length of Ex. Tube)+ (Master Lens Advance Volume Image)) / Master Lens Focus Length</p><p></p><p>Where Master Length Advance Volume = ((Master Lens Focal Length)^2)/(Master Lens Distance Reading - Master lens focal length)</p><p></p><p>:encouragement:</p></blockquote><p></p>
[QUOTE="WhiteLight, post: 224276, member: 9556"] I could be wrong, but i remember reading it somewhere.. This is the actual formula for calculating Magnification Ratios :D Mag. Ratio = ((Length of Ex. Tube)+ (Master Lens Advance Volume Image)) / Master Lens Focus Length Where Master Length Advance Volume = ((Master Lens Focal Length)^2)/(Master Lens Distance Reading - Master lens focal length) :encouragement: [/QUOTE]
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