Lens Film
How far behind the concave lens, the film should be placed?
A single-lens camera has two lenses. The lens front has a focal length f1 = 41,7 cm. Exactly 34.6 cm behind the lens is a concave lens with a focal length F2 = -14.0 cm. The object photographed is 3.73 m in front of goal. How far behind the concave lens that the film is placed? What is the rising side of this combination of lenses?
V The distance of the image by the first objective is the objective lens is 1 / v = 1/0.417 – 1/3.73 v = 0.4695 m for the U of 0.4695 is concave lens to 0.346 m = 0.1235 Therefore, the V of the concave lens can be found in 1 / v = -1/0.14 +1 / 0.1235 V = 1.0479 m So the film should be placed 1.0479 meters behind the concave lens
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SumacLife Mini Laurel Edition Nylon Camera Bag with Carrying Handle and Adjustable Shoulder Strap for Fujifilm Compact Cameras FinePix XP10 (FinePix XP11) Z70 (FinePix Z71) F70EXR (FinePix F75EXR) FinePix F200EXR A150 J120 J150W F60fd J20 Z200FD Stylish New Mini Laurel Case for Compact Digital Cameras is made of durable non-scratch nylon material and helps you safely and easily carry your camera and its accessories. The interior of the case has soft neoprene padded compartment to protect your camera aginst bumps and shocks. You can store accessories like SD cards, cables and chargers in the rear pocket for quick access. The top handle of … |
Categories: Film Cameras