How do I calculate the maximum shutter speed for pinpoint stars using the NPF rule instead of the outdated 500 rule on a high-megapixel sensor?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do I calculate the maximum shutter speed for pinpoint stars using the NPF rule instead of the outdated 500 rule on a high-megapixel sensor?
1 real search · 1 real-search pass
NPF rule astrophotography formula 35N 30P focal length declination pixel pitchGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
NPF rule astrophotography formula 35N 30P focal length declination pixel pitch Google ↗
- La Règle NPF · sahavre.fr
- 500 Rule & NPF Calculator for Sharp Stars · intiaudiovisual.com
- The NPF Rule for Shutter Speed · ssccphotography.org