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03-24-2011, 12:42 PM   #1
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Help on a set up for marco with M42 extension tubes on K-x

Hello

OK so i would like to have a macro set up with this items

1) Reversed 28mm Lens with a 49mm filter thread
2) Vivtiar at-1 Extension Tubes M42 Screw

on a Pentax K-x so how would i make the two items work for me i know i well need
Reverse Adapter for mounting the Lens and the extension tube but what im
thinking is how would the M42 Tube work if there only for M42 screw thread?

Pic of
Vivtiar at-1 Extension Tubes M42 Screw
Name:  KGrHqYOKpkE1qylIVHlBNhCwG5dQ_12.JPG
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Please help who ever can thanks.



Last edited by SFEAR; 03-24-2011 at 02:55 PM.
03-24-2011, 01:45 PM - 1 Like   #2
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I see 3 possibilities:

1) lens is K mount: sell these tubes, buy K mount extension tubes

2) lens is M42 screwmount: buy the Pentax M42/K mount adapter, it fits in between your camera body and the first item screwed into it (whether that is simply the lens or an extension tube then the lens)

3) lens is neither K mount nor M42 screwmount: buy the Pentax M42/K mount adapter, it fits between your camera body and the extension tube. Also buy an M42 49mm reverse adapter, fit it to the end of the extension tube, and screw your lens into it by the front filter thread.

HTH
03-24-2011, 01:46 PM - 1 Like   #3
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You will need a M42 to K mount adapter. A cheap one (flange type) from evil bay will work just fine for any extension tube macro or your reverse M42 adapter. But if you are planning to use your M42 lenses with K-x as a regular lens, most people like an original pentax M42 to K adapter.
03-24-2011, 03:20 PM   #4
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thanks guys for all your help

@Ultraviolet: can you give me a link for the M42 - K Adapter on Evil Bay or where ever i can find one that you would recommend for this set up Much thanks.


03-24-2011, 06:05 PM   #5
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QuoteOriginally posted by SFEAR Quote
can you give me a link for the M42 - K Adapter
I assumed that you have M42 lens
New and used m42 to pk k, Cameras Photo on eBay.ca
03-24-2011, 07:56 PM   #6
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the genuine Pentax one is HERE

not all of the cheap ones allow you to reach infinity focus when you're using just the lens -- it doesn't matter if you plan to always use an extension tube, but maybe one day you would like to see what your lens can do for non-macro subjects

also, some of the cheap ones require tools to get them in and out of the camera body -- the one made by Pentax doesn't
03-24-2011, 09:14 PM   #7
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Thanks !
03-24-2011, 09:52 PM   #8
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QuoteOriginally posted by duncsuss Quote
the genuine Pentax one is HERE
I wish they would ship to Canada too.

03-25-2011, 03:17 AM   #9
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I believe you said you want:

(K-x)|(m42-PK adapter)|(m42 extension tubes)|(m42-49 reverse adapter)|(reversed 28mm lens 49 filter)

Here's a Chinese m42-PK adapter M42 Screw Lens to Pentax PK mount adapter K20D K10D K-X | eBay
Here's a Chinese m42-49 reverse adapter # Macro Coupler Reverse Ring 49mm / 42mm (1.0) M42 | eBay
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