Warning: Declaration of ET_Theme_Builder_Woocommerce_Product_Variable_Placeholder::get_available_variations() should be compatible with WC_Product_Variable::get_available_variations($return = 'array') in /home/minipcpr/public_html/intrasights.co.uk/wp-content/themes/Divi/includes/builder/frontend-builder/theme-builder/WoocommerceProductVariablePlaceholder.php on line 8
Harry Truman | Intrasights
Binoculars for Beginners

Binoculars for Beginners

About BinocularsA straight forward and easy to understand description of how binoculars work and what to look for when intending to buy. Binoculars are usually described by two numbers such as 10×50 or 8×30. If we take 10×50 for example, the first...
Buying your first Binoculars

Buying your first Binoculars

Choosing the right binocularsWhen choosing a pair of binoculars, it is well worth spending some time on deciding what you want them for. Binoculars go hand in hand with watching birds, so for this exercise I will take bird watching as the preferred interest. Deciding...
Learning the Binocular Terminology

Learning the Binocular Terminology

Objective LensThe size of the objective lens helps to determine the resolution of the image being viewed. More light is gathered with a larger lens so a brighter image is obtained. The type of glass and quality of the optics also determines how sharp the image will...
Looking after your Binoculars

Looking after your Binoculars

First time using your binocularsOnce you have purchased a pair of binoculars it is well worth knowing how to look after them and achieve the best results.When using for the first time: Open or close the binoculars with the hinge, to set the eyepieces at the correct...
Optical Instruments for Beginners

Optical Instruments for Beginners

Telescopes There are two main types of optical telescope, the reflector and refractor. The reflector uses a curved mirror to collect light. This main mirror fixed to one end of a tube, concentrates the light on to a secondary mirror which reflects it into the...