Nikon adapter for Pentax lens

**fredok1** · 12-24-2010, 09:17 AM

Does anyone know if there is an adapter for using Pentax autofocus lenses on a Nikon camera body (e.g., D300S)?

**Lowell Goudge** · 12-24-2010, 09:45 AM

there is no such adaptor

aside from any electrical and mechanical interface for the AF, the space needed for an adaptor would exceed the system regestry i.e. the distance from lens mount to focal plane for pentax lenses and require an optical element to get infinity focus back.

the only adaptors out there actually go the other way, but only with MF and manual exposure.

i.e. noko to pentax or nikon to canon.

12-24-2010, 09:17 AM	#1
fredok1 Site Supporter Join Date: Feb 2010 Location: Colorado Posts: 58	Nikon adapter for Pentax lens Does anyone know if there is an adapter for using Pentax autofocus lenses on a Nikon camera body (e.g., D300S)?

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12-24-2010, 09:45 AM	#2
Lowell Goudge Site Supporter Join Date: Jan 2007 Location: Toronto Photos: Gallery \| Albums Posts: 17,886	there is no such adaptor aside from any electrical and mechanical interface for the AF, the space needed for an adaptor would exceed the system regestry i.e. the distance from lens mount to focal plane for pentax lenses and require an optical element to get infinity focus back. the only adaptors out there actually go the other way, but only with MF and manual exposure. i.e. noko to pentax or nikon to canon.

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