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what is aperture and focal length and depth of fileld

Gadgets have influenced mankind like never before, life without it feels difficult. As the days are passing technology is evolving and so the the gadget   i.e in earlier days gadgets like mobile phones were only used for communication purpose, but now mobile phones does everything!, as said earlier with growth of technology ,many   aspects of gadgets   have evolved and camera is one of the main aspect among them, as of now let’s concentrate on camera. Now a days mobiles without a good camera is of no use, indeed mobiles are being promoted as, its having quality camera as a one of its main feature. Hence camera is one of the most important feature of mobile. When we hear a word camera, usually we come across words like focal length , aperture , depth of field and so many. So let’s see few among them Focal length –   Focal length which is usually denoted in millimeters(mm) is known as the distance between point of convergence and   image sensor. Point of c...

React or respond

In our environment living things responds to the stimulus, this we have all learnt in our school , its quite common that person responds to his surroundings ,whenever he receives a stimulus from surroundings , in other words we can say that for an action there is a reaction. We all know this basics!. let’s move little forward, as said earlier a person responds to an action . its natural ,but sometimes the situation will be such that , it will be not normal , in such situation we all react instead of responding !.When anyone tries to pull us down , when anyone criticize us , we suddenly react, even it is also quite common and natural that we react , when anyone provokes us , but many times we have heard that motivational speakers saying don’t react , try to respond. But sometimes   the question may arise or we may feel like ‘what is wrong in reacting to the person who provoked me , let him face the consequences , because he first criticized and provoked me  ' . Even this is ...

knowledge

There is no equal substitution for knowledge in this universe! Words fail to express the significance of knowledge.Knowledge weighs more than money, beauty, power. Knowledge increases the dignity of person. Good knowledge carves the good personality of a person, it also increases good qualities and give quality life. It also gives happiness. That is all about the glory of knowledge                                                                   Knowledge seeking is a never ending process .Infact   man is life time student and life itself is a teacher. Ok! leave being student for life time,  but we being a student many times ignore this knowledge ,nowadays ...

Happiness in technology ??

As the days are passing, the world is growing and there is an advancement in technology. Technology has influenced mankind like never before. Technology has grown to such a level that it has become part of man's life without which human life cannot be imagined. The growth of technology to such a level has improvised the comfortability of man. And of course yes it is doing its best in its way. However we are not satisfied with the comforts that we have. So we are still chasing that unsatisifiable comforts (making ourselves lazier) by seeking the help of technology. But we are relying on technology   more than required. Any how I am not   against the technology but I really want to speak about our attitudes towards it. We think that gadgets like mobile, laptop etc make us happy and hence we always look forward to buy costliest phone that has got more and more features . Having phone with crazy features is not a bad thing, infact we can really progress with it and can also mak...