1. Lens Filter: UV/FLD/CPL
UV: block ultraviolet light, modern sensor resistant to UV
- Act as protection
FLD: compensates for the greenish tint
- Useless since white balance can be post-edited
CPL: Circular Polarizing Filter
- Reduce reflections and glare from non-metallic surfaces
Solar Filter: designed to protect sensor and eye
- Block sunlight and UV and IR
2. (Solar) Eclipse
Solar Eclipse: Moon pass between Earth and Sun
- Total
- Partial
- Annular
Moon Eclipse
3. Halloween
Date: Oct 31st
Origin: Celtic festival of Samhain, the boundary between living and dead became blurred
Incorporated into Christian holidays
- “All Hallow’s Eve” shortened to “Halloween”
Traditions
- Costume
- Trick or Treating
- Pumpkin carving
- Haunted houses
4. Arab and Jew
All trace back to biblical figure Abraham
- Jew: Abraham’s son Isaac
- Arab: Abraham’s son Ishmael
Religion:
- Jew: covenant between God and Abraham
- Islam: established many centuries later
5. Parcel, Freight, Cargo
Logistics: from French word “Logistique”, means “art of planning”
- Trace back to Greek word logistikos meaning “skilled in calculating”
Freight: comes from Middle Dutch word “vrecht” or Old High German “fracht”, both meaning “earnings”.
- By the 15th century in English, refer to cargo transported by ship
Parcel: traced back to Old French “Parcelle”, from Latin “Particella”, a diminutive form of “part”