Soil Preparation

Soils are grouped under three headings: Sand, Loam and Clay. All require the same basic cultivation but at different times of the year.

Sandy soils are made of coarse particles. They should be dug over and dressed with organic matter in January and February, this ensures valuable nutrients are not washed away by rain.

Using Shutter Speeds - Camera Shutters

The Camera Shutter

The camera shutter lets light in to the camera and on to the film or sensor. Film cameras use a mechanical shutter either in the lens or just in front of the film (called a focal plane shutter.) In modern camera designs the mechanical shutter may be driven by electromagnets rather than the springs used in older designs, and will normally be electronically controlled to give more precise timing.

How Many Pairs of Discount Sunglasses is Too Many?

We are told that every year that passes brings a brighter sun the next year. Sunglasses are becoming much more of a safety requirement than a fashion statement. People like to have several pairs and they may tend to shop for discount sunglasses if they are prone to losing them. If they are able to find high quality discount sunglasses they can keep a pair everywhere they may go and encounter the sun. It is good to have a spare pair for your car or boat so there is always a pair close at hand. The water can give off a lot of glare and it is very important to use them to protect your eyes when you are boating.

Discount Designer Sunglasses Have Many Features

Designer sunglasses can introduce many features that the average sunglasses do not offer. The problem some people have is the cost and they seek discount designer sunglasses to get the products they want at less cost. They are usually the same quality and value as the front line glasses and quality may not be the reason they have been reduced in price. They will have all of the same features they did before they were discounted from the regular price. It is a chance for consumers to get the high quality products they want for less money.