Images with a double vintage setup, a 2003 6MP CMOS Canon EOS 300D, and a 2012 EF 40mm 1:2.8 STM pancake prime.
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The Canon EF 40mm f/2.8 STM, a pancake prime launched in 2012, is one of the early Canon lenses with the STM designation, a system that uses a linear stepper motor to focus, allowing for silent focusing. The system is currently widely used for mirrorless cameras and is also popular with movie recording. A 40mm lens is considered the best focal length for a do-it-all prime lens as it sits in the middle ground between the 35mm and 50mm lenses.
The pancake measures 22mm thick, and weighs 130 grams, with 6 elements in 4 groups including an aspherical element to help reduce aberrations, Super Spectra coatings that minimize ghosting and flare, and a circular seven-blade aperture.
Aside from the autofocus system that the lens employs, the EF 40mm can also be focused manually, via an electronically-driven focus-by-wire manual system. The focus ring of the lens is not mechanically coupled to the lens, what it does instead is to instruct the camera to drive the lens's focus motor forward or aft according to which way the focus ring is turned.
The EF 40mm 1:2.8 STM (as well as all other EF lenses) is adaptable and can be used seamlessly with EOS 35mm film SLR cameras, as well as full-frame Canon DSLRs with EF lens mount, and APS-C digital SLRs with EF-S lens mount, where the 1.6x crop factor must be taken for focal length equivalents.
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Camera and Lens
The EF 40mm 1:2.8 STM is small enough, and light enough not to be seen as obtrusive when mounted on SLR camera bodies, and this adds to the advantage of making the lens perfect for most genres of photography, and best for portrait, street, and travel photography. The lens has a minimal focusing distance of 0.3 meters and an aperture range from f/2.8 to f//22.
Canon EOS 300D, Canon EF 40mm 1:2.8 STM
The Canon EOS 300D (EOS Digital Rebel in North America, EOS Kiss Digital in Japan), launched in 2003, was the first entry-level digital SLR camera manufactured for the mass market. The camera has a 6.3MP CMOS sensor, an ISO range from 100–1600, shoots up to 2.5 frames per second (fps) for a maximum of four frames, an optical pentamirror with 95% frame coverage, and a 118,000 dots 1.8-inches LCD. Images are stored on CompactFlash (Type I and II), and the camera is lightweight at 560 grams body only.
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