clarity and brightness from the centre to the periphery of the frame. the lenses' high resolving power makes sure the image sensor obtains the detail it needs to achieve its full potential. furthermore, thanks to their splash-proof construction, the zuiko digital lenses are also protected from the elements...
minolta and pentax mounts. the super wide angle f - ex dc lens is designed exclusively for digital slr cameras and is suited to cameras with aps-c-sized image sensors. special features include a new multi-layer lens coating, three pieces of special low dispersion glass and three aspherical lens elements...
japan on december th, pricing and worldwide availability are yet to be announced. samsung s & s dec , at : samsung today announced two economical digicams with solid specs for their price-point. the s and s are virtual twins with only the pixel count - and mp respectively - to distinguish them. x optical...
lens news oct , at : sigma global says the canon ef-m mount versions of its mm f . , mm f . and mm f . dc dn lenses will be released on october . dulens apo mm f is a new manual prime lens for canon ef, nikon f camera systems lens news sep , at : newsshooter has reported the lens is made by the same optical...
angle of refraction = deg refractive index of air w.r.t medium is = sin i / sin r mua = sin c / sin deg mua = sin c sin c = / aum diagram some phenomenon due to total internal reflection: mirage: it is phenomenon occurring in deserts. the ground air layer gets heated up and expands. mirage is an optical...
measuring instruments otdrs optical loss test set/light source/optical power meter optical spectrum analyzers video inspection probe accessories rf microwave measuring instruments peripheral equipment power meters power sensors signal generators signal generators signal/spectrum analyzers signal/spectrum...
zoom ( - mm equiv.) help fill-out the list of goodies. panasonic introduces dmc-zs / tz compact superzoom jan , at : panasonic has introduced the lumix dmc-zs (tz ouside the us) with x optical zoom starting at a wide mm. successor to the dmc-tz , the tz features the company's new intelligent resolution...
ratios for most natural lead-bearing materials are in the following ranges: - for pb/ pb, - for pb/ pb, and - for pb/ pb, but numerous examples outside these ranges are also reported in the literature. given that three of the four stable isotopes are radiogenic and formed from the decay of heavier elements...
ratios for most natural lead-bearing materials are in the following ranges: - for pb/ pb, - for pb/ pb, and - for pb/ pb, but numerous examples outside these ranges are also reported in the literature. given that three of the four stable isotopes are radiogenic and formed from the decay of heavier elements...
detection and analysis of electromagnetic radiation and photons , but information is also carried by cosmic rays , neutrinos, meteors , and, in the near future, gravitational waves (see ligo and lisa). a traditional division of astronomy is given by the region of the electromagnetic spectrum observed: optical...