Pentax 645Z sensor size - Why does it matter and exactly how big are they? Primarily learn how does your camera sensor size influences different type of photos. Pentax 645Z sensor size directly impacts your picture quality. This is because the photo receptors, commonly called pixels these days, are larger on the bigger sensor. Pentax 645Z has CMOS sensor, which is manufactured by Pentax itself. The photo receptor on the sensor captures light required and create an electrical signal that is converted into a digital image signal. Pentax 645Z sensor is 43.80 mm in height and 32.80 mm in width. It means- more the light, sensor receives, stronger the image signal will be. With much use of your Pentax 645Z, eventually you'll generate spots on your picture due to the dirt your camera sensor attracted. With Pentax 645Z you are provided with sensor cleaning functionality. So keep your sensor clean and capture clear shots!
Do High Megapixels mean better photo quality? Or it's just hype? Megapixel war isn't over yet, and doesn't seem to end for atleast coming few years. Pentax 645Z sensors doesn’t solely matter, megapixels also does. To simply put it, more the Pentax 645Z megapixels, higher the resolution of your image will be. If you have two cameras with the same pixel count, but one has a physically larger sensor than the other, then the one with the larger sensor will usually produce better quality images. Pentax 645Z will give you an image of 51.40 MP megapixels. There are two factors into it: Effective pixels and Actual/Total pixels. Now what do they mean? Effective pixels actually capture the image data and total (actual) pixels are used to determine the edges of an image and to give color information. Megapixel means one million pixels. Resolution of an image is the number of pixels per inch. More the pixels, more the detailed image will be captured. Native resolution is the maximum resolution of an image from which you'll understand how many MP your camera really has. And it is Not Available for Pentax 645Z. This resolution is different for Pentax 645Z Image and for Pentax 645Z Video. Another important feature is the aspect ratio. It refers to the ratio of image’s width to height and matters when it comes to framing of your picture for better image. Aspect ratio for Pentax 645Z is 4:3.
ISO is the light sensitivity of the image sensor. For better photos, learn when to lower the ISO and when to increase it. Set your ISO setting depending on the amount of light in the scene. Lower the number, less sensitive your camera is to the light and finer the grains will appear. Pentax 645Z ISO influences aperture and shutter speed for any shot. With auto ISO mode, your camera will automatically adjust its ISO value according to Pentax 645Z Exposure to light. ISO latitude gives you the ISO range and for Pentax 645Z minimum ISO is 100.00 ISO and maximum of 204,800.00 ISO. ISO values define the image quality. So get a camera with good ISO range. After all, image quality is the thing that matters.