Nikon Aculon T51 Instruction Manual
![Nikon Aculon T51 manual cover](/images/b419f7ec223033874a2fa3d7/thumbs/thumb175x175.webp)
To adjust the focus on the Nikon Aculon T51, use the center focus wheel located between the two barrels of the binoculars. Turn the wheel slowly while looking through the binoculars until the image comes into sharp focus.
If images are not clear, ensure the eyepieces are properly adjusted for your eyesight. Check for any dirt or smudges on the lenses and clean them with a soft, lint-free cloth. Also, verify that the binoculars are not damaged.
Use a soft, dry cloth to gently wipe the lenses. For more stubborn dirt, lightly dampen the cloth with water or a lens cleaner. Avoid using paper products or rough materials, which can scratch the lenses.
Store the binoculars in a cool, dry place. Use the provided case to protect them from dust and impacts. Avoid leaving them in direct sunlight or high-temperature environments for extended periods.
A double image can indicate misalignment or collimation issues. Verify if the binoculars have been dropped or bumped. If the problem persists, professional servicing may be required to realign the optics.
The Nikon Aculon T51 is designed for optimal use in daylight. Although it can be used in low-light conditions, the performance may not be as effective as binoculars specifically designed for low-light environments.
The Nikon Aculon T51 features adjustable eyecups that can be twisted up or down. For users who wear glasses, fully retract the eyecups. Non-glasses users should extend the eyecups to achieve the best field of view.
The Nikon Aculon T51 is not fully waterproof but is water-resistant. Avoid submerging the binoculars in water and ensure that the eyepiece and objective lens caps are securely in place when exposed to moisture.
If fogging occurs internally, it may require professional servicing as this indicates a seal failure. For external fogging, allow the binoculars to acclimate to the temperature slowly, and wipe the lenses with a dry cloth.
The Nikon Aculon T51 does not have a built-in tripod mount. However, you may use a binocular tripod adapter that fits around the barrels to stabilize the binoculars on a tripod if needed.