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Adaptall 2 (or possibly just Adaptall!) to m42 adapter
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PostPosted: Thu Feb 27, 2014 12:21 pm    Post subject: Adaptall 2 (or possibly just Adaptall!) to m42 adapter Reply with quote
Quite understandably many folks want to go from Adaptall 2 to m42.

Here is a way I've not seen prior, or at least I don't own an adapter like this:

Click here to see on Ebay

The distinguishing feature, of course, is that "gear thingy" vestigial built into the adapter. I doubt there's much use for that today when adapting to digital camera bodies. Question is, at least for me, would that "gear thingy" get in the way of anything and make such an adapter as this unusable in certain situations? I guess, worst came to worst, you could always grind the darn thing off!!

Last edited by guardian on Thu Feb 27, 2014 12:39 pm; edited 1 time in total


PostPosted: Thu Feb 27, 2014 12:31 pm    Post subject: Reply with quote
I think this is an original Adaptall M42 adapter rather than Adaptall-2. I have seen them before.

Mark


PostPosted: Thu Feb 27, 2014 12:45 pm    Post subject: Reply with quote
SXR_Mark wrote:
I think this is an original Adaptall M42 adapter rather than Adaptall-2. I have seen them before.

Mark


Your observation is good, interesting, and well taken. I have altered the thread title to reflect your input.

Yes, it does seem possible it might be Adaptall and not Adaptall 2 as the seller claims. I never thought of that. Certainly the example in the photograph appears old and shopworn . . . . . at best!

And, again, that "gear thingy" is not something I ever have seen on Adaptall 2 adapters.


PostPosted: Thu Feb 27, 2014 12:55 pm    Post subject: Reply with quote
Hi

Am I missing something? What's the problem with going from Adaptall 2 to M42?
I have original Tamron Adaptall 2 to M42 adaptor and it's quite simple construction.

Mateusz


PostPosted: Thu Feb 27, 2014 1:05 pm    Post subject: Reply with quote
PhantomLord wrote:
Hi

Am I missing something? What's the problem with going from Adaptall 2 to M42?
I have original Tamron Adaptall 2 to M42 adaptor and it's quite simple construction.

Mateusz


Agreed. It's routine AFAIK. I own a several of the Adaptall 2 to m42 adapters myself. I think such adapters might even be available from China.

However

I don't own one like the one in the auction linked in the OP. And as SXR_Mark pointed out, that adapter might not even be Adaptall 2, regardless the auction's title.


PostPosted: Thu Feb 27, 2014 1:07 pm    Post subject: Reply with quote
Then I missed something as I thought Smile. Thanks for correcting me.


PostPosted: Thu Feb 27, 2014 5:20 pm    Post subject: Reply with quote
I have this adapter. It is Tamron Adaptall and as it shows in your photo it is labeled P(ES). It is an M42 mount to fit a Pentax ES camera which had a full-aperture light measuring system. It can be used on Adaptall II lenses without modification and the only problem I ever had with it is that on some cameras the cog wheel protrusion can foul against the camera pentaprism when mounting the lens e.g. on a Voigtlander Bessaflex TM (chrome edition).


PostPosted: Thu Feb 27, 2014 6:36 pm    Post subject: Reply with quote
All mine are the basic adapters without the cog wheel and are just marked 'For Pentax' But they are getting hard to find.


PostPosted: Thu Feb 27, 2014 9:50 pm    Post subject: Reply with quote
Lloydy wrote:
All mine are the basic adapters without the cog wheel and are just marked 'For Pentax' But they are getting hard to find.


I agree the "real deal" (i.e., genuine) AD2 to m42 adapters are becoming daily more scarce. And I think, with help from other contributors here (much appreciated), we have determined the adapter in the OP auction is not AD2 but is instead an older AD version.

However, as I wrote earlier, availability of these adapters in Chinese garb exists today, for anyone willing to assume the purchase risk:

http://www.ebay.com/sch/i.html?_trksid=p3984.m570.l1313&_nkw=adaptall+m42+adapter&_sacat=0

One does wonder how well, both as to fit and to function, these Chinese knock-offs perform. Also, it is interesting to compare the cost of the Chinese adapters to the cost of the genuine ones. Wink


PostPosted: Fri Feb 28, 2014 12:49 am    Post subject: Reply with quote
At the camera fair I always look through the Adaptall mounts, there's usually a lot for sale by various dealers, and the old 'Pentax' M42 ones just aren't there any more. Minolta MD are almost as scarce as well. But at least they're cheap, I never pay more than £5 for one.


PostPosted: Mon Mar 03, 2014 8:20 pm    Post subject: Reply with quote
guardian wrote:
One does wonder how well, both as to fit and to function, these Chinese knock-offs perform. Also, it is interesting to compare the cost of the Chinese adapters to the cost of the genuine ones. Wink

They work fine.
With some of the Tamron adaptall lenses, apparently better than Tamron's own Pentax or Praktica adapters
... my own (54b) 300mm being one example of that -- it's used with an M42 to Sony AF adapter added.
Just happens to be the right combination -- it changed from seeming a not very good lens into an excellent lens.


PostPosted: Tue Mar 04, 2014 2:18 pm    Post subject: Reply with quote
norland wrote:
guardian wrote:
One does wonder how well, both as to fit and to function, these Chinese knock-offs perform. Also, it is interesting to compare the cost of the Chinese adapters to the cost of the genuine ones. Wink

They work fine.
With some of the Tamron adaptall lenses, apparently better than Tamron's own Pentax or Praktica adapters
... my own (54b) 300mm being one example of that -- it's used with an M42 to Sony AF adapter added.
Just happens to be the right combination -- it changed from seeming a not very good lens into an excellent lens.


Hey that's interesting stuff! Always wondered how those Chinese m42 adapters were working. Might consider purchase.

ETA

Just an additional thought pursuant to this:

Without an adapter mounted, Adaptall 2 lenses can be problematic with regard to rear caps if the rear element protrudes quite a bit. This depends on the specific lens. And genuine Adaptall 2 rear caps (they are clear plastic and quite deep) are very costly when you can locate them at all.

With a Chinese m42 adapter mounted onto any Adaptall 2 lens, an inexpensive m42 rear cap will cap the lens quite well indeed. So with the (relatively) inexpensive Chinese m42 adapter you are able to kill two birds with one stone!


PostPosted: Tue Mar 04, 2014 5:31 pm    Post subject: Reply with quote
Quote:
And genuine Adaptall 2 rear caps (they are clear plastic and quite deep) are very costly when you can locate them at all.


I bought a fungused X2 converter at the camera fair for £5 just to get both original caps, I look for the clear back caps every time I go and never see them, the damn things are scarcer than hens teeth!


PostPosted: Tue Mar 04, 2014 8:38 pm    Post subject: Reply with quote
Lloydy wrote:
Quote:
And genuine Adaptall 2 rear caps (they are clear plastic and quite deep) are very costly when you can locate them at all.


I bought a fungused X2 converter at the camera fair for £5 just to get both original caps, I look for the clear back caps every time I go and never see them, the damn things are scarcer than hens teeth!


Exactly!

I own only two or three of the "real deal" (clear plastic) Adaptall 2 rear caps. For Adaptall 2 lenses not having a protruding rear element, it is possible to (rear) cap them with an inexpensive standard Canon camera body cap.

However

When the Adaptall 2 lens rear element protrudes too far (again, this depends on the particular lens) a Canon body cap will not work as a (rear) cap (it's because the Canon caps are quite shallow). This changes the calculus, since as you point out purchase of genuine Adaptall 2 rear caps can be a setback to the wallet . . when you are able to locate them at all!! Thus:

Why not go whole hog, buy one of the $11 Chinese adapters, and allow it (together with an inexpensive m42 cap) to serve a dual purpose!!

This is what I plan to do tomorrow. I will start with just one (shipping is free so what the heck) and see if the idea works out. I have zillions of m42 caps, so once the adapter arrives (likely at least a month from now since the Chinese are on holiday) we shall see how the idea works out. Wink


PostPosted: Tue Mar 04, 2014 8:53 pm    Post subject: Reply with quote
Well, my solution for the rear cap for my Tamron lenses can be found in this post.

http://forum.mflenses.com/adaptall-2-lens-cap-source-suggestions-t51534.html


PostPosted: Tue Mar 04, 2014 9:30 pm    Post subject: Reply with quote
Of course...........the cotton bud container cap! Laughing I'd seen this before but forgot about it. Rolling Eyes


PostPosted: Wed Mar 19, 2014 8:48 pm    Post subject: Reply with quote
Follow up report

Pursuant to my post within this thread, here:

http://forum.mflenses.com/adaptall-2-or-possibly-just-adaptall-to-m42-adapter-t64817.html#1376258

my Adaptall 2/m42 adapter arrived today from China. Outcome was mixed, as follows:

I have a large number of Tamron Adaptall 2 lenses. The adapter worked fine on some . . refused to fit onto others in that the fit was too tight and the adapter could not be rotated sufficiently far to lock. All lenses tried are Adaptall 2 and not just Adaptall.

A nice feature of the adapter is that it auto-depresses the aperture mechanism in the lens, transforming any lens onto which it is fitted into a manual lens. The adapter, once fitted, provides readily the dual functionality I imagined in that only an inexpensive m42 cover is needed to seal off the rear of the lens.

I will keep the adapter and I will not post negative feedback. However, I do wish it had worked on every lens.


PostPosted: Thu Mar 20, 2014 11:03 pm    Post subject: Reply with quote
Some of Tamron's own adapters also seem a bit looser or tighter than others in how they fit.
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