Bushnell 130521 4×30 Xtra-Wide Binocular
Bushnell categories its binoculars in many segments and its specialised functions makes it a right one for every one who desires to possess the best. With the top quality optics that are competitive in brightness, clarity and image transmission the models of Bushnell comes to the forefront of the industry. Bushnell 130521 4×30 Xtra-Wide Binocular is a highly differentiated one which is famous for the Xtra wide angle and is compact in structure. The following is the review of this model.

Features:
- Superior light transmission and brightness is possible with its multi coated lens. The lens coating reduces the light loss and also reduces the glare which is due to the reflection. The high contrast images can be obtained with reduced eye strain.
- Extra wide field of view of 300m at the distance of 1000 m makes it famous for its wide viewing field. It is basically defied as the side to side measurement of the viewing field.
- Large center focus knob provides a fine adjustment and allows adjusting the viewing alignment between both the eyes.
- Free focus is another distinguished feature that makes the binocular stay in focus most of the times at any viewing distance. Without any need of adjustment it can be focused and simple can catch the action of the viewing object.
- Long eye relief makes it comfortable for the eyes and reduces the strain on the eyes. It is also apt for the use when on eye glasses.
- Non-slip rubber armouring is a protection of the interiors; it gives a better grip, can be maintained easily, and also makes it a shock proof device.
Application:
Bushnell 4×30 Xtra-Wide Mid-Size Binocular is ideal for the sports activities, the nature observation and more so it does a great job for the winter day use as with the free focusing system and the need of no adjustments makes it great when on gloves.
Design:
This being a mid size binocular consists of the magnification of 4 times and the aperture of 30mm. It projects in black colour with the multi coated lens. The hold of compactness makes it great to be used on travel. It is not protected against fog and water. The eyecups belongs to the fold down type the most conventional and the convenient design. With the weight of 411 grams although it does not stand to be light in weight it goes well to be carried in a pouch or with the provided lanyard. It does not support to be used in the tripod and its compatibility to be used around water is not available.
Other Technical Details:
The objective lens of 30 mm in diameter and the exit pupil of 7.5mm functions to transmit brighter images and more stable observation. Although its magnification effect is mere 4 times it goes professional to view objects in its reach but the supported technical makes a better viewing experience.
Overall, Bushnell 130521 4×30 Xtra-Wide Compact Size Binocular is great to own and is best suited for the both long and short distance observation and the highlight is the free focus system. Best for the beginners and Bushnell has proved to magnify the life experience in a great manner.
Bushnell Xtra-Wide 4×30 Binocular – Technical Specification Table
| Manufacturer | Bushnell |
| Model Name | 4×30 Xtra-Wide Binocular |
| Product Code | 130521 |
| Colour | Black |
| Magnification | 4 x |
| Diameter of Objective Lens | 30 mm |
| Size | Mid-size |
| Field of view at 1000 metres | 300 metres |
| Optical Coating | Fully Coated |
| Features | Superior light transmission and brightness Extra wide field of view Large center focus knob Free focus Long eye relief Non-slip rubber armouring Shock absorbent |
| Eyecups | Fold down |
| Weight | 411 grams |
| Exit pupil | 7.5 mm |
| Applications | General observation |
| Rubber Armouring | Yes |
| Close focus | Subjective |

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