Get FF DOF with a converter

Started Aug 3, 2014 | Discussions thread
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newmikey Veteran Member • Posts: 4,428
Get FF DOF with a converter

I decided to experiment a little and mounted my DA50-135mm on an old, 7-element teleplus 2X converter. Fully aware of the light-loss of 2 stops as well as the need to focus manually I upped the ISO on my K5-IIs. The results were quite surprising in terms of DOF - smooth and wafer-thin. Not for everyday use, I admit but certainly an option which has its uses.

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 newmikey's gear list:newmikey's gear list
Ricoh GR Pentax K-5 IIs Pentax smc DA* 50-135mm F2.8 ED (IF) SDM Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) Sigma 8-16mm F4.5-5.6 DC HSM +5 more
Pentax K-5 Pentax K-5 II
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