Pentax-A – The Crazy Autofocuser

Vivitar Series 1 vs. Pentax-A 70-210mm: TNAF #1 Part 2

May 28, 2020 Lens Comparisonadmin70-210mm, Komine, lens, Pentax, Pentax-A, Series 1, Vivitar

We continue the comparison, now for distortion, aberrations, bokeh, and more.

Vivitar Series 1 vs. Pentax A 70-210mm: TNAF #1 Part 1

May 16, 2020 Lens Comparison, Uncategorizedadmin70-210mm, Komine, lens, Pentax, Pentax-A, Series 1, Vivitar

We compare the two lenses for center and corner performance.