OT: Smartphone Telephoto Lenses

Bill anotherdrunkensot at gmail.com
Fri Oct 9 11:46:21 EDT 2020


On 10/9/2020 9:10 AM, Paul Stenquist wrote:
> Thanks Bill. Good to know.

The aspect ratio of these things is right in between the 35mm full frame 
format and the old panoramic format that was put onto cameras like the 
Pentax MZ-5, 35mm is 2:3, cell phones are slightly over 1:2 at 19:9 (at 
least mine is), the old panoramic format was just over 1:3 at 13:36.

bill


> 
>> On Oct 9, 2020, at 10:20 AM, Bill <anotherdrunkensot at gmail.com> wrote:
>>
>> On 10/6/2020 12:38 PM, Paul Stenquist wrote:
>>> I was surprised to learn that the “telephoto” lens on the best Apple and Samsung phones yields only the fov of a 50 mm lens on 35 mm full frame. Not exactly a big glass look and hardly deserving of the telephoto moniker.
>>> Paul
>>
>> Not quite correct, at least on my Galaxy Note 10. The phone has 3 cameras, the wide angle is quite wide, somewhere between 24 and 28mm equivalent on a 35mm format, the standard is pretty close to 40mm equivalent, the telephoto is closer to 70mm than 50mm equivalent.
>> I checked this by comparing the live view on the K1 to the phone screen.
>> Something to remember is that the phone is a much wider aspect ratio. The Note 10 is 19:9 compared to the 2:3 aspect ratio of 35mm.
>> I did my Q&D comparison by looking at the top to bottom coverage rather than side to side coverage.
>>
>> bill
>>
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