The international brand ‘Zeiss’ offers Mono 3×12 Monocular in its category of compact models. This product is known to be a Mini-Scope with the low magnification ability and yet provided with wide field of view. It is best suited for studying of flowers, insects of up to 20 cm. its utility is been extended to read the road map, taps and tickets. Along with is available a ‘Booster’ that transforms the binocular in to the telescope. In this case the magnification of the binocular will be increased three times making it 5x. The following is the review of this model.
The Basics:
This Zeiss Mono 3×12 Mini-Scope measures a length of 48mm and 58mm when the adjustment is changed. It is one in black and pocket-sized structure to go handy always. When it comes to weight it is as less as the weight of the pen with just 54 grams and if such a small thing can do so much in magnification why not carry it along as just an another pen in the pocket.
Magnification and the Aperture:
With the 3x magnification, Zeiss Mono 3×12 Compact Monocular is known to be a mini pocket sized monocular. Present in it is the objective lens that measures 12mm in diameter. This is quite low and has to be used only in the bright light conditions. It is best suited for the outdoor and daylight observation.
Exit Pupil and the Geometric Brightness:
Present in the objective lens is the exit pupil that measures 4mm in diameter. This is the one that combines with the objective lens to promote the brightness of the viewing image. The geometric brightness is been stated to be 16. while the Twilight factor comes to be 6.0.
Field of View and the Focus:
The field of view at the distance of 1000m is 220m and the close focus offered by Zeiss Mono 3×12 Monocular is 20cm. During the times of observing, the tiny letters or the parts of flowers and the insects, which are close, can be observed. However, the distance that it can handles is minimum of 20cm, if you tend to go closer the clarity cannot be obtained and it does not function as desired.
Package Contents and Accessories:
The leather pouch and the carrying strap come along with this Monocular as the package contents. Available is an optional accessory of the adapter that lets this monocular to get fixed to the Zeiss binocular for the enchanced magnification.
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Zeiss Mono 3×12 Monocular - Technical Specification Table
| Manufacturer | Zeiss |
| Model Name | Mono 3×12 Monocular |
| Model Number | 522012 |
| Length | 48 / 58 mm |
| Magnification | 3x |
| Exit pupil | 4 mm |
| Aperture | 12 mm |
| Colour / Finish | Black |
| Twilight factor | 6.0 |
| Close focus distance | 20 cm |
| Loupe magnification at 20 cm | 5x |
| Features | With booster from transformation of a binocular into a telescope |
| Field of view @ 1000 metres | 220 m |
| Weight | 54 grams |
| Front diameter | 30 mm |
| Application | For studying flowers, insects, read road maps, taps or tickets |
| Package contents | Leather pouch and carrying strap |
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Friday, March 26th, 2010
