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Pentax DSLR using Nikon lens talk

Started 11 months ago | Discussions
James Kei
James Kei Senior Member • Posts: 2,350
Pentax DSLR using Nikon lens talk

Hi all,

I am new joiner to Pentax DSLR world. The only reason I begin use Pentax, was enjoying ASTROTracker function.

I recently purchased used K-R body, I just realized, I able to install Nikon F-Mount lens directly on to Pentax PK-mount body without modification.

I use Nikon 70-300mm lens, @300mm, I set lens to infinity focus distance. The result seems good. Please see below capture. At lease it works.

Did you guys do that? this is very helpful, I can save $$$ of lens cost, I have few good F-mount good tele lens.

K-R direct attached with Nikon 70-300mm zoom lens without modification.

direct output JPG

direct output JPG

RAW to JPG

Regards

 James Kei's gear list:James Kei's gear list
Pentax K-5 II Sony a7R Nikon Z5 Nikon AF-S Nikkor 300mm f/4D ED-IF Sigma 120-300mm F2.8 EX DG HSM +2 more
Pentax K-r
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GossCTP Veteran Member • Posts: 6,207
Re: Pentax DSLR using Nikon lens talk

As I recall Ron (brandrx) used to do this and posted a thread or two on the subject. Should be able to find them with a search. As I recall, the main caveat is the lenses won't lock into place. I'd check those threads as Ron was quite helpful (he passed on) and Nikon had so many series of lenses that perhaps some may be problematic.

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 GossCTP's gear list:GossCTP's gear list
Panasonic Lumix DMC-LX5 Pentax K20D Pentax K-5 II Fujifilm X-H1 Pentax smc FA 50mm F1.4 +8 more
John McMillin Contributing Member • Posts: 738
Re: Pentax DSLR using Nikon lens talk

How would you control the aperture? Do you always shoot wide open?

 John McMillin's gear list:John McMillin's gear list
Panasonic Lumix DMC-GX8 Pentax K-1 Pentax smc DA* 50-135mm F2.8 ED (IF) SDM Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM +5 more
MightyMike Forum Pro • Posts: 41,691
Re: Pentax DSLR using Nikon lens talk

John McMillin wrote:

How would you control the aperture? Do you always shoot wide open?

With the old Pr-AI lenses you could use the aperture ring IIRC

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Mike from Canada
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