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Close-up Imaging - CLOSE — UP IMAGING Lecture Notes...

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Unformatted text preview: CLOSE — UP IMAGING Lecture Notes Thomas K. Gaylord ECE 4500 Optical Engineering COLOR PHOTOGRAPHY AND DISPLAY COLOR REVERSAL COLOR PROJECTION IMAGING PROJECTED (POSITIVE) FILM . SLIDE STEP (SLIDE PROJECTOR) IMAGE INITIAL IMAGING NORMAL SIZE STEP (CAMERA) PRINT ENLARGING IMAGING STEP IENLARGER) COLOR NEGATIVE I COLOR ENLARGED FILM NEGATIVE PRINT FIRST LENS FINAL LENS CLOSE - UP ATTACHMENT LENSES 93, [BM CLOSE — UP ATTACHMENT LENSES Nikon Close-Up No. 0 (P = 0.7 Diopter, f = 1429mm, positive meniscus lens) 1 ES 4:65 I Nikon Close-Up No.1 (P = 1.5 Diopter, f = 667mm, positive meniscus lens) _ :5 a Nikon Close-Up No. 2 (P = 3.0 Diopter, f = 333mm, positive meniscus lens) EXTENSION TECHNIQUES EXTENSION TUBES g a 1531 HUD mu "‘2:st HUD IIII- “L335” 0 /U\ BELLOWS ATTACHMENT Q g TELEPHOTO m m m “8239 :31 [E2] IIII- \B F f m LENS REVERSAL Q HEB 50 mm (51.6 mm) fl2 Nikkor - H Auto Lens MACRO LENS MACRO LENS Near imaging is sometimes divided approximately into three categories. These imaging regimes may be described as follows: 0 Close-Up Imaging (linear magnification m = 0.05 to m = 1.0) 0 Macro Imaging (linear magnification m = 0.10 to m = 10) 0 Micro Imaging (linear magnification m > 10) A macro lens is designed to have optimum performance for macro imaging applications. An example macro lens is described below. This particular lens is optimized for excellent flatness of field and maximum resolution at a linear magnification of m = 0.10. Focal Length: 55 mm Maximum Aperture: f/3.5 Minimum Aperture: f/ 32 Lens Configuration: 5 elements Field of View: 43° Brand: Nikon Model: 55 mm f/3.5 Micro-Nikkor-P Auto Micro: Macro lens P: 5 elements Auto: Full aperture focusing, f-no. coupled to exposure meter Focus Range Lens Alone: 240 mm to infinity Corresponding Magnification Range Lens Alone: m = 0.5 to m = 0 Focus Range Lens with Extension Tube: 120 mm to 240 mm Corresponding Magnification Range Lens with Extension Tube: m = 1.0 to m = 0.5 Filters: 52 mm screw-type F .1, .. F, 55 37.4 27.9 38.3 103.6 Depth of Field and Magnification for f = 55mm Macro Lens Linear Foctised Magnification 91319“ Object Distances in Focus Distance 1/(Reproduction (m) no_ R3110) 1 N N u N 2.7 -3.37 2.02 -8.02 1.80 —10.2 1.54 —°° 1/53 2.73 -35.9 1.90 -°° 1/89 5.78 ~°° 4.11 -°° 2.94 -°° 1/00 3.86 —7.15 3.53 —8.72 3.15 -12.7 8.13 -°° wee—0.304 m s m s — m m AMPLIFICATION OF PHOTOGRAPHIC RESULTS ON A COLOR SLIDE COPYING TO ALTER EXPOSURE, CONTRAST, COLOR, ETC. (BELLDWS AND SLIDE COPYING ADAPTER) CROPPING AND ENLARGING (BELLDWS AND SLIDE COPYING ADAPTER) COPYING TO ALTER EXPOSURE, CONTRAST, COLOR, ETC. (ENLARGER) CROPPING AND ENLARGING (ENLARGER) INTERNEGATIVE INTERMEDIATE LENS ...
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