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Bookmark or Share- What is the difference between APS-C and CMOS sensors?APS-C is a sensor-size. Other sensors for DSLRs are Full-Frame or APS-H. CMOS is a type of sensor. Other sensors are CCD. One can have an APS-C CMOS sensor, an APS-C CCD, a Full-Frame CMOS or Full-Frame CCD. Any combination is possible.
- What focal length gives a "normal" field-of-view on APS-C cameras?On an APS-C sensor the equivalent range would be range would 28-34mm. If you are looking for a Canon Lens two reasonably priced prime lenses are: EF 28mm f/2.8; EF 35mm f/2; If you are ok with third party lenses: Sigma 28mm f/1.8 EX DG Aspherical; Sigma 30mm f/1.4 EX DC HSM
- How is focal length facial distortion different on an APS-C sensor ...If you take a picture with a 50mm lens on a FF camera from a distance of 10 feet and also take a picture with a 30-35mm lens on an APS-C camera from a distance of 10 feet both pictures will have the same perspective and framing (allowing for the rounding of focal lengths - a 50mm lens may be anywhere from about 46-53mm in actual focal length ...
- Do I need a full-frame camera for low-light photography?Since the FF sensor is roughly twice the size of the APS-C, the SNR of the larger sensor at 6.5 seconds will be roughly the same as the smaller sensor at 13 seconds. In terms of low light performance, the advantages of Full Frame over APS-C sensors are greatest at higher ISO settings necessitated by shutter speed limitations.
- Why are there so few high quality APS-C telephoto lenses?Pentax, though, doesn't offer a full-frame SLR — instead, splitting between entry-to-high-midrange APS-C DSLR and a medium format offering above that, with a whole different lens mount and series of lenses. For APS-C, they offers a series of high-end zooms, the DA★ lenses. This includes a 16-50mm f/2.8, a 50-135mm f/2.8, and a 60-250mm f/4.
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