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2. Extension tube - Wikipedia

   en.wikipedia.org/wiki/Extension_tube

   Extension tubes are sometimes confused with teleconverters, an optical component (i.e., containing lenses) designed to increase effective focal length. A close-up lens also enables focusing closer for macro photography but, unlike an extension tube, a close-up lens actually is an optical element.

3. Macro photography - Wikipedia

   en.wikipedia.org/wiki/Macro_photography

   True macro lenses, such as the Canon MP-E 65mm f/2.8 1-5x Macro, Laowa 25mm f/2.8 2.5-5X Ultra Macro (a relatively shorter focal length) or Minolta AF 3x-1x 1.7-2.8 Macro, can achieve higher magnification than life size, enabling photography of the structure of small insect eyes, snowflakes, and other minuscule objects. Others, such as the ...

4. Nikon F-601M - Wikipedia

   en.wikipedia.org/wiki/Nikon_F-601M

   The Nikon F-601m (sold in USA as the N6000) is a manual focus, autoexposure, auto film loading and advancing 35 mm SLR camera manufactured by the Nikon Corporation and released in 1990. The F-601m is a simplified version of the F-601 , with no autofocus capability, no spot metering and no built-in flash.

5. Lensbaby - Wikipedia

   en.wikipedia.org/wiki/Lensbaby

   One tube is 8mm, and the other tube is 16mm; they may be stacked together to make a 24mm tube. [ 100 ] [ 101 ] Depending on the optic, the 8mm converter allows a user to focus from 0"-8.13" while the 16mm lets a user focus from 2.25"-6", when stacked they become a 24mm converter which allows a user to focus from 1.63" to 5".

6. Micro-Nikkor - Wikipedia

   en.wikipedia.org/wiki/Micro-Nikkor

   The 105mm Micro-Nikkor series started in 1970 and the newest lens is the Z MC 105/2.8 VR S for Z-mount. The 105mm f /4.5 UV lens, which is called both a Micro-Nikkor and a UV-Nikkor in the literature, is a highly specialized lens for ultraviolet photography made using quartz and phosphate glass instead of regular optical glass.

7. Bellows (photography) - Wikipedia

   en.wikipedia.org/wiki/Bellows_(photography)

   A macrophotography bellows mounted on a Canon FT QL (1966) A folding Kodak camera with bellows. In photography, a bellows is the accordion-like, pleated expandable part of a camera, usually a large or medium format camera, to allow the lens to be moved with respect to the focal plane for focusing. [1] Bellows are also used on enlargers.