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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. Sigma 150mm f/2.8 APO Macro EX DG HSM lens - Wikipedia

   en.wikipedia.org/wiki/Sigma_150mm_f/2.8_APO...

   The Sigma 150mm f / 2.8 APO Macro EX DG HSM is a telephoto macro prime lenses made by Sigma Corporation. The lens was produced for the SA mount, Canon EF mount, Four Thirds System, and the Nikon F-mount; all have the same optical formula.

4. Canon Extender EF - Wikipedia

   en.wikipedia.org/wiki/Canon_Extender_EF

   The 100 mm f/2 on the left is incompatible with Canon Extenders, unlike the 70-200mm f/2.8 IS on the right. 300mm f/2.8 IS lens, no extender 300mm f/2.8 IS lens, 1.4× extender 300mm f/2.8 IS lens, 2.0× extender. These Extender EF lenses can only be used with lenses that have a compatible mount.

5. Tamron SP AF 60mm F/2 Di II LD IF Macro - Wikipedia

   en.wikipedia.org/wiki/Tamron_SP_AF_60mm_F/2_Di...

   The Tamron SP AF 60mm F/2 Di II LD IF Macro is an interchangeable macro lens designed for Canon, Nikon and Sony crop bodies and announced by Tamron on March 24, 2009. Among its peers, it stands out by its large aperture of f/2.

6. List of Nikon F-mount lenses with integrated autofocus motor

   en.wikipedia.org/wiki/List_of_Nikon_F-mount...

   Cameras lacking an integrated autofocus motor (often called screw drive) are the Nikon D40, D40X, D60, Nikon D3xxx series (the latest model of which is the D3500), Nikon D5xxx series (the latest model of which is the D5600), all Nikon 1 series cameras with FT1 adapter and the Nikon Z-mount cameras with FTZ adapter. [2]

7. Nikon F-mount - Wikipedia

   en.wikipedia.org/wiki/Nikon_F-mount

   The F-mount was first introduced on the Nikon F camera in 1959, and features a three-lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm. The company continues, with the 2020 D6 model, to use variations of the same lens mount specification for its film and digital SLR cameras. The Nikon F-mount successor is the ...