Pentax K-3 Mark Iii: Using K, M, And M42 Manual Lenses

Pentax K-3 Mark III: Using K, M, and M42 Manual Lenses

Using Manual lenses on Pentax DSLRs

How to use a manual lens (M, K, or M42) on a Pentax DSLR

Pentax K-3 mark III using Pentax-M lenses in Av mode ?

Pentax K-70: Using K, M, and M42 Manual Lenses

Old Pentax Lenses on New Pentax Cameras

Pentax K-3 Mark III: Customization and Menu Navigation (5 Tips!)

Pentax K-1 Mark II: Using Vintage Lenses (K, M, M42)

Manual lens on Pentax - Tutorial

Pentax K-3 Mark III: How to Use Catch-In Focus

Pentax K-3 Mark III: Fastest Continuous Shooting (Manual Focus and Open Aperture)

Pentax K-3 Mark III: Back-Button Focus

K-3 mark III Pentax-M 100mm f/4 macro lens

Pentax K-3 III Review After 6 Months

Are kit lenses any good on the PENTAX K-3 Mark III? Let's see for ourselves

M42 to K Mount 'hack'

[PENTAX K-3 Mark III Technologies] Optical viewfinder

Pentax K-3 Mark III Review (+ comparison to Nikon D500)

27+ Must change settings for the Pentax K3

PENTAX K-3 Mark III ANY TIME, ANY PLACE, ANYWHERE