Entries for June, 2008

Diopter adjustment

Friday, June 27th, 2008

Roughly all binoculars have a “” which allows you to set the two sides of your binoculars to match the differences between your eyes. You can find it on the right side, you can see zero marked between a plus and a minus sign. Make sure its at zero before you start this adjustment.
• Place the lens cap or the palm of your right hand over the right objective lens (or the left hand over the left lens if that’s the side with the ) and focus on the object using the central focus. Make the focus as crisp as you can. Try to do this without closing your other eye.

• Switch your hand or lens cap to cover the other objective lens, and now make the same object as crisp as you can using the .

• Switch your hand or lens cap again to double check how good the focus is-if adjustments are necessary, use the central focus.

• Then switch your hand or lens cap one last time, and fine tune the .

• Now look through both lenses, and make sure the object is well-focused. Focus on something closer, and something farther away, using the central focus, to make sure the binoculars are set right. Then notice exactly where the is set. This is where it should stay whenever you use your binoculars. (If you sometimes wear different glasses or contact lenses, your setting may be different in those situations.) You should always use the center focus now.

Once in a while you should retest the diopter setting in case your vision has changed.

Information about Binocular

Tuesday, June 17th, 2008

Travel Binoculars

Binoculars are most often used by people who travel. Binoculars are mainly helpful in journey travel, such as traveling to national parks or safaris, where the explorer might want to view wildlife. Travel binoculars are usually lighter and more solid than usual binoculars. They effortlessly fit in a carry on bag, and some are tiny enough to fit in a pouch.

Machinery of Travel Binoculars

It’s always good to know the working of binocular before you choose.

With the help of you see the images right-side-up when looking through the binoculars. Travel binoculars usually have roof prisms, which are present inside the optical tube of the binoculars. It reduces the space and makes it great to travel.

Lens Coating

Glass surfaces are coated that touch the outside air. The coating helps transmit the light. Its better to look for binoculars which are fully coated. Multicoated binoculars reduces glare.

and Objective Lenses

is the power of the binoculars. is usually confirmed in two numbers, such as 8 x 25. The first number means how much the binoculars magnify an object. An 8x means that the object looks eight times closer than natural eyesight. The second number is the objective lens diameter. The lesser the diameter, the more compact your binoculars are for travel. However, the larger the diameter, the more light you will have entering your binoculars. The objective lens is the lens that faces the object.

The is the lens by your eye. If you hold the binoculars at arms length, you will see a small spot of light through the eyepieces. This is the .

Field of View

You will have a limited field of view, which is the area you can see when looking through your binoculars. This area is measured in degrees. If you are going to be watching moving objects, look for a large field of view.

Source: http://www.travelequipments.com/travel-equipments-articles/discount-binoculars.htm

Carson XM-832HD Binocular

Tuesday, June 10th, 2008

Carson XM-832HD 8x32 XM-HD Binoculars with High Definition Optics 8x 32mm
Carson XM-832HD 8×32 XM-HD Binoculars with High Definition Optics 8x 32mm
Price: $364.49

They provide good quality binoculars for the customers. From full size binoculars, as well as Compact Binoculars, Binoculars will please any kind of customers. They believe in originality, high-quality and extraordinary value.

In ’s they have introduced a new HD optical coating technology to ensure the brightest, sharpest images possible. They are shock proof, water proof and fog proof. This binocular gives extra long eye relief with twist down eyecups.