No. In fact, applying aftermarket lubricants can attract dust and degrade the sealing rings. The unit is designed for dry, maintenance-free operation. Simply wipe the exterior with isopropyl alcohol if contamination occurs.
SONE166 high quality components are machined to tolerances of ±0.01mm. Cheap knockoffs often have burrs, uneven plating, or asymmetric mounting holes. Use a calibrated micrometer to verify; any deviation beyond 0.02mm indicates low quality.
and fluorine coatings on the front element to repel water and oil. Autofocus Silence
No. In fact, applying aftermarket lubricants can attract dust and degrade the sealing rings. The unit is designed for dry, maintenance-free operation. Simply wipe the exterior with isopropyl alcohol if contamination occurs.
SONE166 high quality components are machined to tolerances of ±0.01mm. Cheap knockoffs often have burrs, uneven plating, or asymmetric mounting holes. Use a calibrated micrometer to verify; any deviation beyond 0.02mm indicates low quality. sone166 high quality
and fluorine coatings on the front element to repel water and oil. Autofocus Silence No. In fact