neutral density filter

Summary

neutral density filter ranks in the top 2% of general entities by monthly Wikipedia readership (217 views/month).^[1]

Key Facts

• neutral density filter's Library of Congress authority ID is recorded as sh2004014549^[2].
• neutral density filter's subclass of is recorded as photographic filter^[3].
• neutral density filter's Commons category is recorded as ND filters^[4].
• neutral density filter's Freebase ID is recorded as /m/07nh62^[5].
• neutral density filter's defining formula is recorded as \text{Fractional transmittance} \equiv \frac{I}{I_0} = 10^{-d}^[6].
• neutral density filter's Quora topic ID is recorded as Neutral-Density-Filter^[7].
• neutral density filter's maintained by WikiProject is recorded as WikiProject Mathematics^[8].
• neutral density filter's Microsoft Academic ID is recorded as 4430303^[9].
• neutral density filter's in defining formula is recorded as I^[10].
• neutral density filter's in defining formula is recorded as d^[11].
• neutral density filter's National Library of Israel J9U ID is recorded as 987007535136205171^[12].
• neutral density filter's Encyclopedia of China is recorded as 540045^[13].
• neutral density filter's Amazon.com browse node is recorded as 3109906011^[14].
• neutral density filter's Yale LUX ID is recorded as concept/afd4dff0-ef4a-48d9-9896-6cc3f6e29d8f^[15].

Why It Matters

neutral density filter ranks in the top 2% of general entities by monthly Wikipedia readership (217 views/month).^[1] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.^[16] It is known by 4 alternative names across languages and contexts.^[17]