Slide Projectors
 Kindermann Diafocus 66 T medium format slide projector US $1,339.50 
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 275 LEICA LEITZ SET OF 2 SLIDE PROJECTORS 2500 DUU24A UNIT US $1,300.00
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 Chas Beseler Co Slide Projector US $1,219.99
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 Hasselblad PCP 80 Slide Projector BODY ONLY 9 CONDITION US $1,199.95
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 Hasselblad PCP 80 Slide Projector Lens 250mm Telephoto US $1,199.95
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 Golde Model 447 3 ¼ x 4 Slide film strip Projector US $999.99
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 NAVITAR VIDEOMATE 7500XY SLIDE TO VIDEO CONVERTER TELECINE KODAK PROJECTOR US $750.00
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 HASSELBLAD PCP 80 250MM SLIDE TELEPHOTO PROJECTOR LENS US $699.99
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 Leica P 150 2x2 slide Projector US $689.99
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 Kodak Carousel 600 Slide Projector US $499.99
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 Kodak Carousel 4200 Slide Projector US $498.99
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 Leica Prado 66 slide projector US $486.00
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 DNR AVL PRO TRAVLER X2 SLIDE PROJECTOR cassette disolve US $400.00
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 Kodak Ektagraphic III 3 AMT Slide Projector w Lens US $399.99
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 Buhl Kodak Hi Power Ektagraphic Slide Projector B 2 US $399.99
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 PRADO 500 SLIDE PROJECTOR LEITZ VINTAGE XTRAS MANUAL NR US $399.00
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 Leica Pradovit C 2500 Slide Projector Elmaron 4 250 US $398.00
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 ORC Slide Projector Xenon Lamp Module NOS UNUSED US $395.00
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 Rear Slide Projector Model 88 US $393.99
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 Minolta Mini Slide Projector w P Rokkor 25 75 US $389.99
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 Singer Graflex Slide Projector Model 88 US $389.99
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 Vuaid Model L C 2 2x2 slide Projector US $389.99
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 Xenographic 500 FM B2 High Intensity Slide Projector US $379.99
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 Leitz Prado 150 Beautiful 1940s Leica Slide Projector Mint w case US $355.69
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 Lightware Case for the Hasselblad PCP 80 Slide Projector US $299.95
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 Kodak Ektapro 9000 Slide Projector lens tray US $299.95
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 Isco Optic PC ULTRA AV 45mm Kodak Slide Projector Lens US $299.00
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 Rollei Medium Format Slide Projector US $250.00
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 LOT 2 Kodak Ektagraphic III AMT Slide Projector 3 Carousels 1 Lamp US $225.00
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 Kodak Ektagraphic III AT Slide Projector w Zoom Lens US $224.95
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 Antique Slide Projector for 3 1 2X3 Glass Slides US $200.00
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 Vivitar V5000AF 35mm 100 Slides Rotary Carousel Slide Projector US $200.00
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 VINTAGE TY SIDENER LANTERN SLIDE PROJECTOR US $200.00
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 Kodak Ektagraphic III A slide projector w carrousel US $199.99
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 Hasselblad PCP 80 Slide Projector Remote Control US $199.95
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 Hasselblad PCP 80 Slide Projector Condenser Lens US $199.95
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 Kodak Ektagraphic III AMT Slide Projector w no lens US $194.95
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 Kindermann Medium Fromat Slide Projector US $225.00
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 ELMO TRV 35H CCD GEN LOCK SLIDE to VIDEO Projector digital US $189.99
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 Panorama Guided Tours of the World Complete color slides w Projector US $166.93
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 EARLY VINTAGE TIN LIGHT MOVIE FILM SLIDE PROJECTOR BOX US $165.00
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 Vintage Kodak Carousel 600 Slide Projector US $164.99
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 EXCELLENT KODAK EKTAGRAPHIC III SLIDE PROJECTOR NICE US $150.00
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 Singer Caramate 3200 Slide Projector w casset player US $150.00
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 Kodak Pocket Carousel 100 Slide Projector US $150.00
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 Vintage Braun Nornberg Paximat Slide Projector US $150.00
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 KODAK Carousel 5200 Slide Projector Trays US $150.00
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 GRAFLEX COMPACT FILM SLIDE PRESENTATION PROJECTOR KIT US $150.00
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 Kodak Carousel 650H Slide Projector US $149.99
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 TELEX CARAMATE 4400 CAROUSEL SOUND SLIDE PROJECTOR US $149.99
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 KODAK 4400 EKTAGRAPHIC III SLIDE PROJECTOR LENS CASE US $149.99
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 Vintage Leitz Wetzlar Prado Slide Projector with Accessories Case Working US $149.99
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 Kodak Medalist I Carousel Slide Projector US $149.99
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 Kodak Ektagraphic III at Slide Projector US $149.99
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 Isco PC Ultra AV 60mm f28 MC Perspective Control Slide Projector Lens US $149.00
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 Apple Digital AV Adapter (MC953ZM/A) List Price: Sale Price: $30.99 You save: $8.01 (21%)  Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionPut your slides, movies, photos, and everything else that fills your iPad 2 screen on an even bigger screen your HDTV. The Apple Digital AV Adapter mirrors exactly what you see on iPad 2 so that everyone in the room can enjoy it on your widescreen TV, video projection screen, or other HDMI-compatible display...  |
 Logitech Professional Presenter R800 with Green Laser Pointer List Price: Sale Price: $57.99 You save: $22.00 (28%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionLogitech Professional Presenter R800 gives you powerful control for high-impact presentations. The brilliant green laser pointer is easy to see, even on flat panel displays, projection screens, and in brightly lit rooms... |
 Kensington Wireless Presenter with Laser Pointer and 2 GB Built-in Memory (Black) List Price: Sale Price: $49.12 You save: $25.87 (34%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionHere's everything you need to give a great presentation-right down to the presentation itself. With 2 GB of built-in memory, the Kensington Wireless Presenter with Laser Pointer and Memory can store hundreds of presentations... |
 Kensington 33374 Wireless Presenter with Laser Pointer List Price: Sale Price: $29.99 You save: $20.00 (40%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionThe Kensington Wireless Presenter with Laser Pointer lets you remain in control of your presentation from anywhere in the room. Conveniently portable and easy-to-use, this wireless presenter frees you from distraction and allows you to focus on what matters most -- your presentation... |
 Targus 2.4 GHz Wireless Laser Presentation Remote with KeyLock, Range up to 50 Feet AMP13US (Black with Gray) List Price: Sale Price: $26.80 You save: $26.19 (49%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionThe Targus Laser Presentation Remote features a simplistic button layout, making it easy to give presentations. The patent-pending KeyLock™ Technology locks non-essential buttons when not needed to help eliminate accidental button presses... |
 Logitech Wireless Presenter R400 with Red Laser Pointer List Price: Sale Price: Too low to display Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionLogitech Wireless Presenter R400 is designed to help you make your point. Its intuitive slideshow controls help you navigate through your presentation with confidence. Buttons are easy to find by touch... |
 Wireless USB Presentation Remote Clicker Pen List Price: Sale Price: $7.30 You save: $27.65 (79%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionStylish and functional presentation laser pointer remote. USB wireless receiver can be stored in the remote when not in use and for easy portability. Red laser pointer integrated with page up and page down functions which support multiple applications such as MS Word, MS Excel, MS Powerpoint, ACDSee, Website and Acrobat Reader... |
 Epson EX5210 XGA 3LCD Business Projector, 2800 Lumens, HDMI, USB, 5.1 lbs List Price: Sale Price: $499.99 You save: $50.00 (9%) Eligible for free shipping!Availability: Usually ships in 24 hours DescriptionBreak Through to The Next Level. The EPSON EX5210 breaks the mold for portable business projectors, delivering spectacular image quality and ease of use. The ultra-bright 2800 lumens of color/white light output, sharp XGA resolution and 3LCD, 3-chip technology transform presentations into brilliant masterpieces with precise detail and true-to-life color... |
 Kensington K72353US Wireless Presenter Pro with Green Laser Pointer List Price: Sale Price: $52.27 You save: $27.72 (35%) Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionMake your presentations shine with the Kensington Wireless Presenter Pro with Green Laser Pointer. The green laser is much brighter than standard red lasers, allowing you to make your point anywhere - even when used with brighter projectors or LCD and plasma displays... |
 Panavue 2 Illuminated Slide Viewer Sale Price: $19.90 Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionIlluminated slide viewer. Compact for tabletop or hand use. Viewing area 1-7/8" square. Brilliant 2X magnification powered by 2 AA batteries (not included) or household current with optional transformer sku VRPVT. |
A slide projector needs to create a 82 cm high image of a 2.0 cm tall slide. The screen is 360 cm from the sli?
A slide projector needs to create a 82 cm high image of a 2.0 cm tall slide. The screen is 360 cm from the slide. Assume that it is a thin lens.
(a) What focal length does the lens need?
PLEASE HELLPPP! thank youu
The magnification is 82/2/0 = 41x
The magnification is also di/do so
di/do = 41
The imaging formula for the lens is
1/do + 1/di = 1/f
First replace di with 41*do:
1/do + 1/(41*do) = 1/f
(1/do) * (1 + 1/41) = 1/f
1/do = 1/(1/41 + 1)*(1/f)
do = f*(1/41 + 1)
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Now replace do with di/41:
41/di + 1/di = 1/f
(1/di) * 42 = 1/f
1/di = 1/42 * 1/f
di = 42*f
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You now have equations for do and di in terms of f. Then use
do + di = 360 the distance between object and image to find f:
f/(1/41 + 1) + 42*f = 360
f*[(1/41 + 1) + 42] = 360
f = 8.3673
di = 351.43
do = 8.57
Check the result: do + di = 360 and di/do = 41
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