Megapixel Wars

It is still confusing... Is megapixel everything?

Megapixel comes with dpi (dots per inch). Megapixel is an unit to measure how many pixels per width and length is a photograph. It determines print size !!! that's it.

An example: If a photo is 600 by 800 pixels, it is 600x800=480.000 pixels which is called 0,5 megapixel photo. This size photo can not be printed on a 9x13 paper without any magnifiny on the photo which shows corners of pixel dots.

Megapixel does not show the quality or sharpness of a photo. It only shows how big is the picture...

Picture quality depends on processor, sensor, lens...

If you buy a 3 mp compact camera and think that it will shoot better photos then a small fine jpeg shot (appx 2.5 megapixel) of an D200, you are far beyond reality.

Here are some charts to understand better.

Lens Review - nikon AF nikkor 50mm f/1.4D

nikon nikkor AF 50 mm f/1.4D (1995 Release) FACTORY SPECIFICATIONS

Focal Length : This is a FX format lens, so you can both use them on typical SLR 35 mm cameras and D-SLRs. But on a D-SLR camera, it will effect like 75mm.
Aperture: f/1.4 . Seven-bladed diaphragm stopping down to f/16
Optics: 7 elements in 6 groups. No ED glass elements or aspherical elements.
Closest Focus: 45 cm

Macro Ratio: 1:6.8
Filter size: 52mm Non-rotating
Accesories: Lens rear/front caps, HR-2 Lens Hood optional . CL-30S Lens case is optional.
Dimensions: 64.5 mm diameter. Length is 42.5 mm.
Weight: 230 grams

MY REVIEW ABOUT THIS LENS
The Nikkor 50mm f/1.4 has a small barrel distortion of 0,50% , relatively high but nothing to worry in field conditions. Vignetting is very well controlled even at widest aperture setting of f/1.4. At f/2.8, vignetting is negligible. MTF Resolution results are excellent between f/2.8 - f/8. At wide apertures, center resolution id very good, but extreme borders are soft. Chromatic Aberrations are very well controlled. only at f/5.6-8 increases but still not field relevant.

PAY ATTENTION :
- Lens hood is optional.

- Lens has not silent motor, maybe disturbing

- Length change during focusing is annoying

- Corner resolutions are low at widest apertures

VERDICT : It is a lens you must carry in your bag for no light conditions. At least i do so. It has small defects but still an indispensible lens you have to carry in your lowepro. Highly Recommended (9/10)

MY SAMPLE SHOTS :