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04-22-2015, 11:15 AM   #1
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Pentax 30120 M-42 to K adapter

Did I just buy a new Pentax 30120 adapter from B&H?


I had purchased an import M-42 to K adapter from E-bay and after successfully removing it, without damage, from my recently E-bay purchased K-7 body, I was very reluctant to try it a second time. It didn't allow the lens to align properly and, while it would probably be OK, there had to be a better one on the market. Which led me to look on the B&H website. (Last week they had a K-50 kit, with 32GB memory card and Pentax flash that I just had to have. This week, it was a DA 50-200mm WR Pentax lens. I'm getting into this a little more than I had originally intended.)


Anyway, although a little more expensive than the E-bayed adapters, the item pictured had the Pentax "logo" and 30120 part number. Could it be that Ricoh has started to manufacture these? If so, It's very encouraging. It signals, to me, a commitment to keeping Pentax "in the game".


Last edited by Stevedel; 04-22-2015 at 11:28 AM.
04-22-2015, 11:24 AM   #2
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I think it more likely that new ones turn up from time to time, just like the FA Limiteds...

Ricoh USA does not list the adapter on their website. Though it is still listed on the Ricoh Imaging Japan site.

But then, so it this...

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04-22-2015, 11:26 AM   #3
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Yes, that looks to be the genuine Pentax adapter. Both B&H and Adorama regularly list it, but often are back-ordered. My understanding is that the adapters are still in production, but that production is often exceeded by demand.


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04-22-2015, 11:32 AM   #4
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Many times in the past few years, B&H has listed the genuine adapter as "discontinued", only to restock after a few months. The adapter seems to be produced in small batches.

04-22-2015, 11:45 AM   #5
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Perhaps every once in awhile Ricoh diverts the production of one of the machines from making rear mounts to turning out the adapters.

QuoteOriginally posted by Stevedel Quote
It didn't allow the lens to align properly and, while it would probably be OK, there had to be a better one on the market.
I have a two genuine adapters made in the Philippines and one made in Japan. None of them does the lens align at 12 o'clock - more like 11 o'clock. Still that is better than most of the aftermarket adapters.

QuoteOriginally posted by boriscleto Quote
But then, so it this...
Maybe the stereo adapter is only available in Japan? At least it's not a film body shown in the picture.
04-22-2015, 11:50 AM   #6
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So, in a few days, my Takumar M-42 mount lenses will be able to leave their adopted Micro 4/3 home and return to "their roots".


It's a beautiful thing.
04-22-2015, 11:55 AM   #7
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It seems that a production run was made recently as a quick search shows that Adorama, Samy's Camera and other places have them in stock as well - at the same price of $44.95 USD. Seems like Ricoh raised the MSRP for these. Well why not, after all they aren't making money on selling the old screwmount lenses.
04-22-2015, 12:21 PM   #8
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At that price they might be making more on it than they did on the lenses.

04-22-2015, 12:29 PM   #9
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I think the adapters are still being made, despite contradicting information from Pentax representatives/web sites.

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04-23-2015, 10:21 AM   #10
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QuoteOriginally posted by Not a Number Quote
I have a two genuine adapters made in the Philippines and one made in Japan. None of them does the lens align at 12 o'clock - more like 11 o'clock. Still that is better than most of the aftermarket adapters.
I have six M42 bodies and on none of them does the lens align at 12 o'clock. It must be a tradition of some sort.


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04-26-2015, 05:41 PM   #11
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QuoteOriginally posted by stevebrot Quote
I have six M42 bodies and on none of them does the lens align at 12 o'clock. It must be a tradition of some sort.
Steve
Back with 1930-50s Leica E39 threaded lenses this was intentional, to make the index easier to see when accessory viewfinders or meters were used in the accessory shoe above the lens. Perhaps Pentax did the same for accessory meters on the SV and other non-metered bodies.
04-27-2015, 11:49 AM   #12
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The postal guy just delivered my "genuine" Pentax 30120 M-42 to K mount adapter. Exceptional service from B&H. I couldn't be more pleased.


The thing is very precisely machined and fits like it was made for a fine camera. (Of course it was!) The price may be high, but I can see no reason to chance an aftermarket adapter. It's very easy to install and remove if the enclosed instructions are followed.


When mounted, the lens does not fully align. As pointed out by stevebrot and TomB_tx, it must have been designed that way.


I'll use my brand new K-30 for the more modern lenses and dedicate the K-7 to the "ancient" M-42 Super Takumars. I think that I am going to have a lot of fun and learn a lot more about photography.


Kind of brings back the old K-1000 days.

Last edited by Stevedel; 04-27-2015 at 11:55 AM.
04-27-2015, 01:59 PM   #13
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I don't know. A few posters on other threads about these adapters claim most of their lenses align at the 12 o'clock position. Perhaps the earlier Asahi Pentax badged ones align at the top. They make the same claim about their bodies. The Japan made one I have is badged only as Pentax and aligns at around 11.

The difference I've found between the Philippine vs Japan made adapters is that a M42 to M39 adapter I bought from Fotodiox will not thread into the Philippine made one. It threads perfectly into the Japan made on and my Asahi Pentax Auto Bellows (screwmount).

BTW: My lenses line up at around 12 o'clock on the Auto Bellows.

Last edited by Not a Number; 04-27-2015 at 02:15 PM.
04-28-2015, 02:37 AM   #14
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On the K-7, the "Pentax" mark is square-on at the top, "Philippines", at the bottom and the lens F-stop info at 11 o-clock.


With a Super Takumar 300mm F4 lens, something totally unusable in my backyard, it takes a little time to set-up a photograph. Certainly, not an action sports setup.


At least, with digital, I don't have to decide on a film ISO speed, load the film, shoot a roll and wait for processing. Oh, I also have on-board image stabilization.


Looks like an excursion down to the river. That's a good thing.
04-29-2015, 01:46 PM   #15
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I should add that, on my Lumix G-3 with M-42 to Micro 4/3 adapter, my lenses do align at the top. As they do on my old Spotmatic SP.


The thing about the Spotmatic is that it has no flash hot-shoe.


On my Honeywell Spotmatic "F", that has a hot shoe, it's only one or two degrees from TDC.


There's no surprise that none of the cameras have in-body image stabilization. The K-7 does.

Last edited by Stevedel; 04-29-2015 at 02:01 PM. Reason: Add info
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