Canon has just filed a new patent of Canon 3-300mm F1.8-9 IS lens. This is the first 100x zoom lens in the world.
- Patent Publication No. 2014-174524 (Google Translated)
Filing date 2013.3.13
- Example 4
Zoom ratio 98.52
The focal length f = 3.07 53.41 302.40mm
Fno. 1.85 8.14 9.00
Half angle ω = 36.2 2.40 0.50 °
Overall length of the lens 110.05mm
BF 12.67 27.40 5.19mm
4-group zoom of positive and negative, positive
Inner zoom (the second group, the third group)
Rear focus (fourth group)
Anti-vibration (third group)
Nikon has just announced a new 83x zoom Coolpix P900, so could Canon PowerShot SX70 HS get a 100x zoom?