Guess the Focal length in image (Lens recommendation): Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review
![Jayanth Sharma on Twitter: Jayanth Sharma on Twitter:](https://pbs.twimg.com/media/EaoWF3RXsAA1ffp.jpg)
Jayanth Sharma on Twitter: "When you see a Polar Bear swimming in ice, you have ticked off one of the Top 10 wildlife viewing wishes. #Svalbard #PolarBear #ToeholdPhotoTravel Guess the focal-length/lens used?…
![if if the focal length of a lens th depends on refractive index of surrounding medium what happens if - Brainly.in if if the focal length of a lens th depends on refractive index of surrounding medium what happens if - Brainly.in](https://hi-static.z-dn.net/files/d7f/dfe7cd9e977b8ff72a9c97c91157bfe9.jpg)