What is mil PRF 81309?

What is mil PRF 81309? MIL-PRF-81309 is a highly effective water displacing, non-conductive, corrosion preventative compound. MIL-PRF-81309 (formerly MIL-...

How do you AF fine-tune Nikon?

How do you AF fine-tune Nikon? Fine-Tuning 1 Select AF fine-tune. Highlight AF fine‐tune in the setup menu and press . 2 Select AF fine-tune (On/Off). The...