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Wednesday 27 July 2016

Understanding About ISO Sensitivity in simple ways

The ISO (International Standards Organization) determines the sensitivity of the sensor in camera. ISO determine the exposure of a photo, along with aperture and shutter speed.
Camera 3 main Features

The iso rating typically rangs start from 25 ,50, 100 to continues to double from this point: : 100, 200, 400, 800, 1600, 3200, 64,000, etc. 
ISO Speed vs motion Blur
The lower ISO rating means ,this producing a smoother, cleaner image.
The lower the ISO rating, the less sensitive the image sensor is and therefore the smoother the image, because there is less digital noise in the image.
The higher ISO rating means, thus producing “rougher” or grainier images. 
Iso sensitivity And images Noise
The higher the ISO rating (more sensitive) the stronger the image sensor. which thereby produces more digital noise.
The lower the ISO rating (less sensitive), which thereby produces less digital noise.
So what is digital noise? It is any light signal that does not originate from the subject, therefore it creates random color in an image.

Image Quality
Image Quality is important to remember that the lower the ISO rating the better the image quality.

Lower  ISO  images  will be more color-accurate  images and smoother. ISO  between 100 and 200 will give you the best results, and depending on the image sensor 

Understanding About Shutter Speed in simple ways


Shutter speed is one of the three main features of camera quality, the other two being ISO and Aperture.
ShutterSpeed is the unit of measurement that determines the  how long shutter remains open as the picture is taken.shutter speeds are expressed in seconds or fraction of second.

If the shutter speed is  slow, the exposure time is long. And If the shutter speed is  fast, the exposure time is slow.
The shutter speed and aperture both are control the total amount of light reaching the sensor
standards of shutter speeds
Shutter speeds are typically measured in fractions of a second, when they are under a second.
1s, 1/2s, 1/4s, 1/8s, 1/15s, 1/30s, 1/60s, 1/125s, 1/250s, 1/500s, 1/1000s, 1/2000s, 1/4000s, 1/8000s, 1/12000s, 1/16000s.

How to Calculate Shutter Speed
E=F.360degree\s
Where
 E = shutter speed

F = frames per second, S = shutter angle

Beginners Guide-Camera have 3 Main Adventures settings


Understanding  About  Aperture  in  Simple Steps
Aperture is the unit of measurement that describes the  size of  the  opening in the lens that can be used  to control the amount of light  reaching the digital sensor.
Size of Aperture – Large vs Small Aperture
aperture is a hole within a lens, light can pass through which to the camera body. aperture is expressed in f-numbers (for example f/5.6). These f-numbers also  known as “f-stops”.
("f" means focal ratio)
They are 2 kinds of f-stops
1. Smaller f-stop
2.Larger the f-stop
 Smaller f-stop
A smaller f-stop means a larger aperture, The size of the circle represents the size of the lens aperture
For example, f/2.0 is Smaller than f/1.4.
minimum apertures (highest f-number)
Larger the f-stop
A larger f-stop means a smaller aperture. maximum apertures  (lowest f-number)
aperture

Typical ranges of apertures  
f-number is square root of 2:
f/1, f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, f/22, f/32, f/45, f/64, f/90, f/128, etc.



Thursday 16 June 2016

Nissan developing Fuel cell vehicle technology victimisation plant product

Technology would be prepared to be used in vehicles in 2020, adding it might be wont to extend the vary of larger, electrical vehicles like delivery vans. And Nissan said its technology would 1st be created offered to companies and native governments, once capital of Japan hosts the Games, before any wider industrial use. 



Ethonal  comes from crops like sugarcane and corn. Fuel cells work by combining element Associate in Nursingd chemical element in an chemical science reaction, that produces electricity.

 Nissan aforesaid the system would be cheaper than rival offerings as a result of it avoids the large price of putting in filling stations and wouldn't need large element tanks to be keep on board.


The cost and energy needed to supply element is terribly high, and it additionally needs vital investment in (fuelling and storing) infrastructure. "Compared thereupon, plant product is extremely straightforward to acquire, it's safer to store and lower price. These area unit its deserves.

Friday 8 April 2016

Specifications of Samsung Galaxy S7 Edge


Specification of Samsung Galaxy S7

GENERAL

Form factor
Touchscreen
Dimensions (mm)
150.90 x 72.60 x 7.70
Weight (g)
157
Battery capacity (mAh)
3600
Removable battery
No
SAR value
NA
DISPLAY

Screen size (inches)
5.5
Touchscreen
Yes
Resolution
1440x2560 pixels
Pixels per inch (PPI)
534
HARDWARE

Processor
1.6GHz  octa-core
RAM
4GB
Internal storage
32GB
Expandable storage
Yes
Expandable storage type
microSD
Expandable storage up to (GB)
200
CAMERA

Rear camera
12-megapixel
Flash
Yes
Front camera
5-megapixel
SOFTWARE

Operating System
Android 6.0
CONNECTIVITY

Wi-Fi
Yes
Wi-Fi standards supported
802.11 a/ b/ g/ n/ ac
GPS
Yes
Bluetooth
Yes, v 4.20
NFC
Yes
Infrared
No
USB OTG
No
Headphones
3.5mm
FM
No
Number of SIMs
2
SIM 1

GSM/ CDMA
GSM
3G
Yes
4G/ LTE
Yes
Supports 4G in India (Band 40)
Yes
SIM 2

GSM/ CDMA
GSM
3G
Yes
4G/ LTE
Yes
Supports 4G in India (Band 40)
Yes
SENSORS

Compass/ Magnetometer
Yes
Proximity sensor
Yes
Accelerometer
Yes
Ambient light sensor
Yes
Gyroscope
Yes
Barometer
Yes
Temperature sensor
No

Thursday 7 April 2016

how the S bike mode works on Samsung Galaxy J3



Samsung  launched its Galaxy J3 (2016) smartphone in India.  It comes with an unique S bike mode.The S bike mode is essentially a refined version of the Do Not Disturb mode on Android. 


To begin with you need to scroll down the Settings menu from the home screen. Tap on the bike mode. You can also do so via a NFC tag, which comes bundled with the smartphone, and can be stuck on your bike as well. Once activated at the beginning of a ride, any caller trying to reach the Samsung Galaxy J3 user will be notified through an automated answering machine that the smartphone will automatically inform the caller that the user is currently riding a bike and is unable to take the call. 

The mode will also prompt the caller to proceed with the call if it is important. The caller may choose to press 1 to express urgency to talk with the biker for which the biker will have to bring his bike to a halt in order to take the call.

 While you will receive only urgent calls, the app comes with auto motion lock enabled that bars you from receiving call when riding the bike. The motion lock will be disabled once you have parked your bike.

Other key features include a Smart Reply for sending automatic text responses when you are riding a bike. The app also a notification panel that shows all the missed calls when you had been riding. The mode comes with pre-recorded messages in 14 languages including Marathi, Gujarati, Nepali and Hindi among others.

Samsung Galaxy J3(2016) comes with 'S bike mode' in india



Samsung  launched its Galaxy J3 (2016) smartphone in India. previous smartphones in its J series, the latest J3 is targeted at youth, and comes with an unique S bike mode. The smartphone is priced at Rs 8,999. Samsung Galaxy J3 doesn’t really go big on specification  with the J3.  It has a 5-inch Super AMOLED HD display. Connectivity options include NFC (that also powers the S bike mode), and 4G LTE with a data saving mode.

In terms of look and feel, the smartphone is very identical to the Galaxy On5  launched last year. the main highlight and most advertised feature of the smartphone is the S bike mode, which is aimed at helping you have an unhindered experience while riding the bike.

Wednesday 6 April 2016

Samsung Galaxy J3(2016) Specifications

Specification of  Samsung Galaxy J3
s bike mode

General


Brand

Samsung

Model

Galaxy J3 (2016) SM-J320F

Form

Touch

SIMs

Dual-SIM

SIM Size

Micro-SIM

Colour

Gold, Black and White

Other Features                 

Micro- USB 2.0,USB OTJ

Call Features

Loudspeaker

Display

Type                                           

Super AMOLED capacitive touchscreen, 16M colors

Sreen Size  

5 inches

Display Resolution

720 x 1280pixels

Pixel Density

294 ppi

Multitouch

Yes, Capacitive Touch

Platform

OS Version

Android OS,v5.1.1 (Lollipop)

Chipset                  

Spreadtrum SC8830

CPU

Quad-core 1.2GHz cortex-A7

GPU

Mali-400

Preinstalled Apps

Yes

Multi-languages Supported

Yes

Camera

Primary  Camera

8  MP

Features

Auto focus,  LED Flash, Geo-tagging, Touch focus, 

Face detection, HDR, Face Detection,  Digital 

Zooming, IOS setting, White balance setting, 

Self timer, Scene mode

Secondary  Camera

2MP

Network

Technology

GSM/CDMA/HSPA/UMTS/EDGE/GPRS/HSPA+

Memory & Storage

RAM

1.5GB

ROM 

8 GB

Memory Card Slot

Micro SD, up to 128GB(Dedicated Slot)

Sensors

Accelerometer

Yes

Compass

-

Proximity 

Yes

Gyro-sensor                      

Yes

Multimedia

SAR US

1.17W/kg

SAR EU                        

o.48W/kg

FM Radio

Yes

Battery & Power

Battery Capacity

2600mAh

Battery Type      

Li-Ion(Removable)        

3G Talk Time

~13h(hours)

~0.5days

3GStandby Time

~340h(hours)

~14.2days

2G Talk Time 

~18h(hours)

~0.8days

2GStandby Time

~340h(hours)

~14.2days

Dimension

HxWxD (mm)

~142.3 x 71x 7.9 mm

Weight (g)

171g