Quick answer
Clean your fieldscope lens with a blower and microfiber cloth, and store it in a dry, dust-free case. Avoid touching the glass with fingers.
Why lens care matters for fieldscopes
Fieldscope lenses are exposed to dust, moisture, and fingerprints during outdoor use. Regular cleaning prevents image degradation and extends the life of the optics.
High-end models like the Nikon Monarch Fieldscope 82ED-A use advanced coatings that require gentle handling. Harsh chemicals or abrasive materials can damage these coatings permanently.
How to clean and store your fieldscope lens
- Blow off loose debris: Use a rubber bulb blower to remove dust and grit from the lens surface. Do not use canned air, which can propel particles and scratch the coating. Always blow first; wiping dry dust can scratch the lens.
- Brush away remaining particles: Gently sweep a soft camel-hair brush across the lens to dislodge stubborn particles. Avoid touching the brush bristles with your fingers. Replace the brush if it becomes oily or dirty.
- Apply cleaning solution to a cloth, not the lens: Put one drop of lens cleaning solution on a clean microfiber cloth. Never spray directly onto the lens, as liquid can seep into the barrel. Use only solution made for coated optics; avoid alcohol or household cleaners.
- Wipe in a spiral from center to edge: With the dampened cloth, start at the center of the lens and wipe outward in a spiral motion. Flip the cloth to a clean area for each pass. Do not press hard; let the solution do the work.
- Dry with a separate microfiber cloth: Use a dry, clean microfiber cloth to remove any remaining moisture. Check for streaks and repeat if needed. Always use a fresh cloth for drying to avoid redepositing oils.
- Store in a dry, dust-free case: Place the fieldscope in its padded case with the lens cap on. Store in a cool, dry location away from direct sunlight and humidity. Avoid storing in a car or attic where temperatures fluctuate widely.
Product-specific lens care notes
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Nikon Prostaff 5 Fieldscope 60 (no eyepiece): The Nikon Prostaff 5 Fieldscope 60 has a lightweight body reduced by about 20% compared to the current model and a built-in slide hood. The slide hood helps shield the lens from dust and debris, but the compact body means you should take extra care when handling it to avoid dropping.
Nikon Prostaff 5 Fieldscope 60 (no eyepiece)
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Nikon Monarch Fieldscope 82ED-A W/ MEP-20-60: The Nikon Monarch Fieldscope 82ED-A features an apochromat optical system with ED glass and multilayer coatings on all lens and prism surfaces. The advanced coatings improve brightness and contrast, but they are more sensitive to scratches and chemical damage, so use only approved cleaning methods.
Nikon Monarch Fieldscope 82ED-A W/ MEP-20-60
