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General| Brand | Bresser |
|---|---|
| Model | FERNGLAS |
| Category | Binoculars |
| Language | English |
Warning against looking at the sun with the device, which may cause blindness.
Binoculars are for private use only; respect others' privacy and do not look into apartments.
Instructions for using twist-up eyecups with or without eyeglasses.
Instructions for using rubber eyecups with or without eyeglasses.
Setting the distance between eyes and eyepieces for a circular image.
Focusing the binoculars using the center wheel and diopter ring.
Information on using a tripod adapter for stability.
Guidelines for cleaning lenses and protecting the device from dust and moisture.
Proper disposal methods for packaging and the device.
Explanation of magnification values and their effect on viewing distance.
The role of objective lens diameter in light gathering for observations.
Definition of light transmission through optical systems.
Description of the ocular lens and its impact on optical quality.
Adjusting the eyepiece to correct eyesight deficiencies.
Benefits of rubber armour for protection against impacts and weather.
Parallel alignment of binocular halves and issues arising from misalignment.
Quantifying binocular brightness and its suitability for twilight conditions.
Understanding the visible image area and its measurement.
Information on attaching binoculars to a tripod for a static image.
Explanation of lens coatings and their effect on reflection and light transmission.
Details on the warranty period and how to extend it.
Contact information for customer service support.
Instructions for packing and returning the device for service or repair.
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