Metabones Speed Booster for Pentax K lenses?

Started Apr 14, 2013 | Discussions thread
Ari Aikomus
OP Ari Aikomus Veteran Member • Posts: 8,682
Speedbooster works well.

BobORama wrote:

WHY would you want to use a product that reduces contrast and increases CA, when Instagram is free?

Actually it works surprisingly well:

at least 28-135mm range, it is designed for shorter than 200mm FF lenses.

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- Ari Aikomus -
'Why should I feel lonely ? is not our planet in the Milky way?'

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