PKA -> E
Not nearly as full featured in fact it looks like a simple dumb adapter,
and Fotasy adapters are even less expensive through Amazon.
On 7/24/2021 5:39 PM, Bill wrote:
On Fri., Jul. 23, 2021, 1:33 p.m. , collinb@brendemuehl.net wrote:
To use my lenses on an e-mount body is there a less-expensive yet
full-featured adapter alternative to the Monster?
https://www.bhphotovideo.com/c/product/1627137-REG/monster_adapter_la_ke1_pe
ntax_k_to_sony.html
https://www.bhphotovideo.com/c/product/1627137-REG/monster_adapter_la_ke1_pentax_k_to_sony.html
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No, nothing like that. When you wrote "buying a third of a K-70" it made me
curious how much the K-70 cost. That's all.
On 7/24/2021 18:07:56, P. J. Alling wrote:
I assume that the adapter is made of the more expensive mechanical parts, and at
a much lower volume so there would be a much lower return due to the economics
of scale. That is unless you have good numbers on the quantity of Sony users
who see serious quality in Pentax Auto Focus lenses.
On 7/24/2021 2:24 PM, John wrote:
K-70 is only about a hundred dollars more than the adapter $546.95 vs $439.00
for the adapter.
On 7/24/2021 11:53:09, P. J. Alling wrote:
You know, sometimes I know what I'm talking about. (Too bad the quotes list
is gone...)
On 7/24/2021 7:42 AM, Alan C wrote:
Thanks John. Now I understand why PJ says you're buying a third of a K-70!
Alan C
On 24-Jul-21 07:57 AM, John Francis wrote:
I assume there's a motor in the adapter (drawing power from the camera).
The first two pictures (the lens-facing side) show a screw-drive shaft,
and also the two contacts that could provide power and digital signals
for newer AF lenses, and may even provide power for power zoom lenses!
I'd guess there would also need to be a microprocessor to translate
between the various signalling protocols, but that's not going to add
a whole lot to the cost.
On Sat, Jul 24, 2021 at 06:50:45AM +0200, Alan C wrote:
How on earth is screw drive AF possible?
Alan C
On 23-Jul-21 09:43 PM, P. J. Alling wrote:
I've never seen one so expensive before, but then again I've never seen
an adapter that also adapts screw drive AF either.
I kind of doubt that you'll find anything cheaper that actually will
auto focus a K mount lens on a mirrorless body.?? You'll be buying about
a third of the working bits of a K-70.
On 7/23/2021 3:33 PM, collinb@brendemuehl.net wrote:
To use my lenses on an e-mount body is there a less-expensive yet
full-featured adapter alternative to the Monster?
https://www.bhphotovideo.com/c/product/1627137-REG/monster_adapter_la_ke1_pe
ntax_k_to_sony.html
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Science - Questions we may never find answers for.
Religion - Answers we must never question.
I'm not saying you're wrong, but this seems more like a limited
production, rather than a mass production item. So it would of course
be more expensive for what you get.
On 7/25/2021 8:45 PM, John wrote:
No, nothing like that. When you wrote "buying a third of a K-70" it
made me curious how much the K-70 cost. That's all.
On 7/24/2021 18:07:56, P. J. Alling wrote:
I assume that the adapter is made of the more expensive mechanical
parts, and at a much lower volume so there would be a much lower
return due to the economics of scale. That is unless you have good
numbers on the quantity of Sony users who see serious quality in
Pentax Auto Focus lenses.
On 7/24/2021 2:24 PM, John wrote:
K-70 is only about a hundred dollars more than the adapter $546.95
vs $439.00 for the adapter.
On 7/24/2021 11:53:09, P. J. Alling wrote:
You know, sometimes I know what I'm talking about. (Too bad the
quotes list is gone...)
On 7/24/2021 7:42 AM, Alan C wrote:
Thanks John. Now I understand why PJ says you're buying a third of
a K-70!
Alan C
On 24-Jul-21 07:57 AM, John Francis wrote:
I assume there's a motor in the adapter (drawing power from the
camera).
The first two pictures (the lens-facing side) show a screw-drive
shaft,
and also the two contacts that could provide power and digital
signals
for newer AF lenses, and may even provide power for power zoom
lenses!
I'd guess there would also need to be a microprocessor to translate
between the various signalling protocols, but that's not going to
add
a whole lot to the cost.
On Sat, Jul 24, 2021 at 06:50:45AM +0200, Alan C wrote:
How on earth is screw drive AF possible?
Alan C
On 23-Jul-21 09:43 PM, P. J. Alling wrote:
I've never seen one so expensive before, but then again I've
never seen
an adapter that also adapts screw drive AF either.
I kind of doubt that you'll find anything cheaper that actually
will
auto focus a K mount lens on a mirrorless body.?? You'll be
buying about
a third of the working bits of a K-70.
On 7/23/2021 3:33 PM, collinb@brendemuehl.net wrote:
To use my lenses on an e-mount body is there a less-expensive yet
full-featured adapter alternative to the Monster?
https://www.bhphotovideo.com/c/product/1627137-REG/monster_adapter_la_ke1_pe
ntax_k_to_sony.html
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America was founded so we could all be anything we damn well please.
- P.J. O'Rourke
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