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11-12-2020, 11:46 PM - 1 Like   #151
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QuoteOriginally posted by mlt Quote
True, PLM requires a lightweight focusing group to move
A move to modern SDM even with the same optical design would be huge work. They decide to change the optical design while they're at it.

11-14-2020, 02:23 PM   #152
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Improving autofocus capabilities would be helpful, though performance expectations seem to be pretty high these days (animal eye autofocus, anyone?).
11-15-2020, 01:41 AM   #153
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QuoteOriginally posted by ecostigny Quote
Improving autofocus capabilities would be helpful, though performance expectations seem to be pretty high these days (animal eye autofocus, anyone?).
I admit sometimes I think it goes too far.
Maybe add a fair bit of AI so it will decide where to focus.
Where to zoom while we are at it ?

I sound like an old dinosaur, I know....
11-15-2020, 06:48 AM   #154
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QuoteOriginally posted by thibs Quote
I admit sometimes I think it goes too far.
Maybe add a fair bit of AI so it will decide where to focus.
Where to zoom while we are at it ?

I sound like an old dinosaur, I know....
Next generations of smartphones will have it all

11-21-2020, 02:38 PM   #155
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QuoteOriginally posted by Zygonyx Quote
Can you see where has the 645 medium format lens roadmap gone ?
I know this is nowhere on the roadmap, but wouldn't it be great if Pentax could get Tokina to give us a version of this lens...
Tokina announces 17?35mm F4 lens for Canon EF, Nikon F camera systems: Digital Photography Review
11-21-2020, 03:05 PM - 1 Like   #156
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QuoteOriginally posted by GregL564 Quote
I know this is nowhere on the roadmap, but wouldn't it be great if Pentax could get Tokina to give us a version of this lens...
Tokina announces 17?35mm F4 lens for Canon EF, Nikon F camera systems: Digital Photography Review
Nil novi sub sole: this Tokina atx-i 17-35 mm f/4 FF is a revamped Tokina AT-X 17-35 mm f/4 Pro FX, showcased at Photokina 2010 and introduced in June 2011, with a slightly redesigned lens barrel, a new focus motor and a gasket around the lens mount.

Tokina haven't issued a new lens of their own since the Tokina Firin 20mm f/2 FE MF announced in September 2016. Since then, it has been nothing than revamped older Tokina lenses and rebadged Pentax and Viltrox lenses.
11-21-2020, 03:54 PM   #157
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QuoteOriginally posted by Mistral75 Quote
Nil novi sub sole: this Tokina atx-i 17-35 mm f/4 FF is a revamped Tokina AT-X 17-35 mm f/4 Pro FX, showcased at Photokina 2010 and introduced in June 2011, with a slightly redesigned lens barrel, a new focus motor and a gasket around the lens mount.

Tokina haven't issued a new lens of their own since the Tokina Firin 20mm f/2 FE MF announced in September 2016. Since then, it has been nothing than revamped older Tokina lenses and rebadged Pentax and Viltrox lenses.
Along these lines I was wondering if Tokina will rebadge the new Pentax 85mm.

11-21-2020, 06:12 PM   #158
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QuoteOriginally posted by bladerunner6 Quote
Along these lines I was wondering if Tokina will rebadge the new Pentax 85mm.
Tokina announced the development of their opera 50mm f/1.4 FF in February 2018, one year after Ricoh Imaging announced the development of what was then named Pentax-D FA 50mm f/1.4. They announced the lens in September 2018, three months after Ricoh Imaging announced the HD Pentax-D FA 50mm f/1.4 SDM AW.

Considering that Ricoh Imaging announced the development of the HD Pentax-D FA 85mm f/1.4 in February 2019 and announced the HD Pentax-D FA 85mm f/1.4 ED SDM AW in May 2020, I would say that, had Tokina planned to launch an opera 85mm f/1.4 FF, they would have announced it by now or at least its development.

Similarly, Sigma haven't announced any DSLR lens since September 2018 and Tamron since February 2019.
11-22-2020, 12:38 PM   #159
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QuoteOriginally posted by Mistral75 Quote
Tokina announced the development of their opera 50mm f/1.4 FF in February 2018, one year after Ricoh Imaging announced the development of what was then named Pentax-D FA 50mm f/1.4. They announced the lens in September 2018, three months after Ricoh Imaging announced the HD Pentax-D FA 50mm f/1.4 SDM AW.

Considering that Ricoh Imaging announced the development of the HD Pentax-D FA 85mm f/1.4 in February 2019 and announced the HD Pentax-D FA 85mm f/1.4 ED SDM AW in May 2020, I would say that, had Tokina planned to launch an opera 85mm f/1.4 FF, they would have announced it by now or at least its development.

Similarly, Sigma haven't announced any DSLR lens since September 2018 and Tamron since February 2019.
Hasn't Sigma gone all in on mirrorless lenses, especially since they're part of the L-mount alliance? I suspect the redirection of development efforts is consistent with their abandoning the K-mount market; they don't want to waste resources on what they see as shrinking customer pools.
11-22-2020, 02:15 PM   #160
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QuoteOriginally posted by ecostigny Quote
Hasn't Sigma gone all in on mirrorless lenses, especially since they're part of the L-mount alliance? I suspect the redirection of development efforts is consistent with their abandoning the K-mount market; they don't want to waste resources on what they see as shrinking customer pools.
Are they making or have they announced lenses for the R and Z mount yet?, it would seem they are sizable puddles by now.
11-22-2020, 02:39 PM   #161
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QuoteOriginally posted by Mistral75 Quote
Tokina announced the development of their opera 50mm f/1.4 FF in February 2018, one year after Ricoh Imaging announced the development of what was then named Pentax-D FA 50mm f/1.4. They announced the lens in September 2018, three months after Ricoh Imaging announced the HD Pentax-D FA 50mm f/1.4 SDM AW.

Considering that Ricoh Imaging announced the development of the HD Pentax-D FA 85mm f/1.4 in February 2019 and announced the HD Pentax-D FA 85mm f/1.4 ED SDM AW in May 2020, I would say that, had Tokina planned to launch an opera 85mm f/1.4 FF, they would have announced it by now or at least its development.

Similarly, Sigma haven't announced any DSLR lens since September 2018 and Tamron since February 2019.
Thanks for doing the research.
11-22-2020, 07:39 PM - 1 Like   #162
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QuoteOriginally posted by Kevin B123 Quote
Are they making or have they announced lenses for the R and Z mount yet?, it would seem they are sizable puddles by now.
They've been too busy with their L-mount, I think. They've pumped out something like 20 L-mount lenses over the last 2 years.
11-22-2020, 09:05 PM - 1 Like   #163
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QuoteOriginally posted by luftfluss Quote
They've been too busy with their L-mount, I think. They've pumped out something like 20 L-mount lenses over the last 2 years.
And they don’t have to try and reverse engineer the L mount:
11-23-2020, 03:13 AM   #164
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QuoteOriginally posted by Kevin B123 Quote
Are they making or have they announced lenses for the R and Z mount yet?, it would seem they are sizable puddles by now.
No, at least not yet.

I presume Sigma need a certain 'critical mass' of Canon RF and Nikon Z cameras in the field to make the game worth the candle, i.e. to be able to recoup the R&D costs associated with a new mount plus the increased manufacturing costs stemming from an additional mount (more frequent tooling changes, more idle time).

To give you an idea, it took them more than four years after the announcement of the first 24x36 mirrorless cameras in Sony E mount (Alpha 7 and Alpha 7R, October 2013) to announce their first 24x36 E-mount lenses (nine Art SLR lenses adapted to E mount; February 2018) and 17 more months to announce their first 24x36 lenses specifically developed for mirrorless mounts (three DG DN lenses, July 2019).

This, even though Sony license the protocols of the E mount, therefore no retro-engineering is required.

The first Canon RF (EOS R) and Nikon Z (Z 6 and Z 7) cameras were announced in September 2018, a bit more than two years ago.
11-23-2020, 04:13 AM   #165
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QuoteOriginally posted by Mistral75 Quote
To give you an idea, it took them more than four years after the announcement of the first 24x36 mirrorless cameras in Sony E mount (Alpha 7 and Alpha 7R, October 2013) to announce their first 24x36 E-mount lenses (nine Art SLR lenses adapted to E mount; February 2018) and 17 more months to announce their first 24x36 lenses specifically developed for mirrorless mounts (three DG DN lenses, July 2019).
Crikey, that is a long time and this is their whole game too. That puts the efforts of Cannon and Nikon in perspective too.

Sony and Sigma have a form of symbiotic existence for now at least.
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