Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread Godfrey DiGiorgi
The standard 1x for most smartphone cameras is equivalent to about a 28mm focal length on 35mm FF, albeit the typical smartphone aspect ratio is 3:4 native, not 2:3. By comparison, 50mm (on 35mm FF) is a pretty long lens, about a 2x magnification factor (not counting digital zoom). If you

Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread Paul Stenquist
Thanks Bill. Good to know. > On Oct 9, 2020, at 10:20 AM, Bill 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

Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread Bob Pdml
On 9 Oct 2020, at 17:54, John wrote: > >  > > The Pentax 110 had a 70mm telephoto & a tele-extender. I don't know what the > equivalent 35mm lenses would be. 110 is about the same size as 4/3rds so the equivalent would be 140mm, give or take. -- PDML Pentax-Discuss Mail List

Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread John
On 10/9/2020 10:20:36, Bill 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

Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread Bill
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

Re: OT: Smartphone Telephoto Lenses

2020-10-09 Thread Bill
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,

OT: Smartphone Telephoto Lenses

2020-10-06 Thread Paul Stenquist
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 -- PDML Pentax-Discuss Mail List PDML@pdml.net