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The Ultimate Guide to Extension Tubes - Shutter Muse
- https://shuttermuse.com/ultimate-guide-to-extension-tubes/
- 24-70 @70mm and @MFD; With 12mm extension tube; Canon EF 100-400 f/4.5-5.6 L IS II. The reason I’ve chosen to include this lens in the …
What is an Extension Tube? - Photography Life
- https://photographylife.com/what-is-an-extension-tube
- An extension tube is an attachment that goes between your camera body and your lens. It’s not an optical element, so there is no glass involved. All it does, is get the lens further away from the focal plane. Now, the practical upshot of this, is that your minimum focusing distance gets smaller. So, with an extension tube, you can get closer ...
Extension Tube Math? -- Canon EOS Digital Cameras in …
- https://photography-on-the.net/forum/showthread.php?t=19350
- Solving for x, the derived maximum built-in lens extension is: x = 50 * 0.15 = 7.5mm. If you add Canon's 12mm extension tube to this lens, you will achieve a maximum total extension of 7.5 + 12 = 19.5mm. Therefore, using a 12mm extension tube with EF50 1.8 II lens, you can obtain a maximum magnification of: 19.5 / 50 = 0.39.
Photography Hack: Macro Photography With Extension …
- https://karltayloreducation.com/macro-photography-extension-tubes/
- The good news is that there is a cheaper alternative: extension tubes. To test the difference between these two options, I compared the Sony 90mm 2.8 Macro …
Extension Tubes: Close Up Photography Lesson #2
- https://digital-photography-school.com/extension-tubes-close-up-photography-lesson-2/
- An extension tube is a hollow, light-tight tube that fits between your lens and your camera mount. It moves your lens further from the camera, and the front …
How to Calculate the New MFD of a Lens When Using an …
- https://shuttermuse.com/how-to-calculate-mfd-of-a-lens-with-an-extension-tube/
- New magnification = Native lens magnification + (extension amount/focal length) Example 1: The Canon 40mm f/2.8 STM pancake lens has a native magnification of 0.18x. If we use a 12mm extension tube on it, our new magnification will be 0.18 + (12/40) = 0.48x. Example 2: Using the same Canon 40mm lens with stacked 12mm and 25mm extension tubes ...
Extension tube basics, formulas, and Determining …
- https://www.scantips.com/copycalc2.html
- Extension tube basics and formulas. The calculator’s initial default spec of 50mm FL and 0.15x magnification at closest focus computes (50 x 0.15) = 7.5 mm internal focus extension (formula 3). But focusing the lens at Infinity eliminates the internal focusing extension, in which case then specifying Closest Magnification as 0 also ignores it and computes the Infinity case.
Extension tube math | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/extension-tube-math.433285/
- Extension tube math. Discussion in 'Nikon' started by johnw63, Dec 29, 2010. johnw63. I'm trying to get more versed on close-up photography, and I have purchased a few close-up books. One being John Shaw's Closeups in Nature. In it, he mentions that the reproduction ratio has to do with the focal length and the total extension, but, I think ...
Extension tube “math” : AskPhotography
- https://www.reddit.com/r/AskPhotography/comments/muwsrd/extension_tube_math/
- Extension tube “math” Can anyone tell me if there’s a way to know the specific effects of an extension tube? I know what they are, what they do, etc, but I’m curious if there’s a formula in terms of how much a given tube affects a given lens in terms of minimum focusing distance, I.e. a 50mm lens with a minimum focus of 18 inches with ...
Extension tube math: Micro Four Thirds Talk Forum: …
- https://www.dpreview.com/forums/thread/3495578
- Extension tube math Started May 29 ... extension tube set and am wondering how it will change magnification and maximum focusing distance for my Olympus 45mm and 40-150mm lenses. The published magnifications are 0.11 for the 45 and 0.14 for the 40-150. ... M43 flexibility for Macro photography with Oly 60mm F2.8, extension tubes, raynox M-250 ...
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