Is there a Pentax 645D lens to L mount adapter?
Re: Is there a Pentax 645D lens to L mount adapter?
1
idillic wrote:
Wondering if there is an adapter that will enable me to use lenses from my Pentax 645D on my L mount Sigma FpL.
It would be good if there is one.
Yes, though I have never used any of them, and it's very expensive. It also has optics to reduce the image circle (but improve the brightness and image quality . . . supposedly):
https://www.bhphotovideo.com/c/product/1455806-REG/kipon_baveyes_p645_sl_0_7x_adapter.html
They call it a focal reducer and speed booster (as in the brightness of the image is greater at a given aperture, so it's like using a wider aperture . . . or a "faster" lens).
You can get a much cheaper adapter, with no optics in it, here:
https://www.ebay.com/itm/295148877992?hash=item44b83e78a8:g:pHAAAOSwKz5i6MKX&amdata=enc%3AAQAHAAAA4OUP53fw9IHARa1Kw0iNwqE2dobUdJ3Tm0fbT4SZwRltUSO%2BlVNf%2FGTci3OboiSGxB9wUrqaK1V9O03Z5oJ1sKsLVeV1rfIiI0qK5tID2VQT7HnLb0XqwNkpMgUY2uiOa7rf5Up8DsPoufyX6MCXDpPc%2FqlXhS7CtHURvHSfLu1dZTym%2BjW6uvNPXyqWHCGlvlTFRxWV8omtIbXSqIzDVOHErXkOcxALq0VlvqeERlNV6eclkyD4jif18pfyW7eojvfn2SSfOnaKsUAtyW%2B5cmz4X4UhvE6hlKpQFhqxoBRM%7Ctkp%3ABFBMgrnYiZth
These are not auto-focus adapters (no electrical connections at all, if I am not mistaken), so you'll have to adjust your aperture and focus manually.
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