Pentax K-3 + Tokina AF 19-35mm f3.5-4.5

iPhone

Wesley, 10 months old, is a happy kid.

Lens try out – Kiron 28mm f2 (brand new old stock),  Pentax K-3.   Outdoor shots: f2.0, ISO 100;  Speed 1/1000 s;  Distance infinity;  point-and-shoot manual.  Indoor shots: f 2.0, ISO 3200;  Speed between 1/90 to 1/20 s, manual.

https://www.pentaxforums.com/userreviews/kiron-28mm-f2-mc.html

Kiron Kino Precision 28-85mm f2.8-3.8 Olympus OM mount,  OM to M4/3 adapter + Olympus E-520

https://www.google.com/search?client=firefox-b-d&q=KIRON+Kino+Precision+28-85mm+f%2F2.8-3.8#fpstate=ive&ip=1&vld=cid:bb6cde37,vid:8IlzbTPssiY,st:0

Olympus 24-48mm f3.8, OM to M4/3 adapter + Olympus E-520.   Hard to manually focus after sunset.

Olympus E-510 https://www.pentaxforums.com/userreviews/vivitar-24-70mm-f38-48-series-1.html

iPhone

SMC Pentax-F* 300mm F4.5 ED [IF] + Pentax K-70.   https://www.pentaxforums.com/lensreviews/SMC-Pentax-F-Star-300mm-F4.5-Lens.html?page=3#reviewlist