Re: Another year, another lens

[P. J. Alling]

Well the new f4.0 70=210 Pentax wouldn't work for you.  No aperture ring 
and it's electronic aperture control, so pretty useless on a camera it's 
not designed for.  It looks good for shooting on Pentax cameras after 
the K-5II, but anything digital from the K-5 series back is most likely 
a no go situation.


On 2/11/2020 4:48 PM, Steve Cottrell wrote:

On 11/2/20, Bill, discombobulated, unleashed:


They did, however, manage to squeeze a new lens onto the market very
recently, a 70-210 f/4 continuous aperture zoom.

I was in the market a few months ago for a constant aperture f/2.8 zoom in that 
range. The only stipulation was that it needed to have a manual iris ring on 
the lens and be a 'two-touch' zoom.

It could have been Pentax, or anything in fact. I needed it for my video kit to 
use with a Canon C300 camera (EF mount).

Ideally I was after a Tokina ATX 80-200/2.8 in any mount. In fact I eventually 
nabbed a Nikkor 80-200/2.8 and quickly sent it off to The Lens Doctor, a wild 
and canny Scot who used to be a roadie years ago for Black Sabbath or 
something. Anyway, he specialises in converting lenses by swapping the mounts 
to EF, de-clicking the aperture control and then using some Highlands magic to 
dampen it's movement, and generally clean it up. One of the lens groups had the 
startings of fungus so he cleaned it and applied TLC. Here it is on the C300:



I briefly tried to find a suitable Pentax lens but didn't get very far.

This is the lens type I got (if you can excuse Ken Rockwell one more time...)



And it really is a solid T-Rex pellet of a lens. Weighs a great deal and needs 
the lens support as it damn near tries to tear the front off the poor C300.

So my lenses with this kit are now: Nikkor 17-35/2.8, Nikkor 80-200/2.8, 
EF24-105/4 L IS, and believe it or not a Tokina 90mm 2.5 Macro in K mount with 
an EF adapter!

I would use the A*85/1.4 but to be honest the Nikkor does okay with wide open 
dreamy bokeh, and my A* is used for stills with my Oly Pen F kit.

Sorry to butt in.




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Re: Another year, another lens

[jtainter]

>From Bill:

"I haven't seen much by way of Pentax Discuss on the PDML of late, though to be 
fair, Pentax isn't giving us much to talk about these days. They did, however, 
manage to squeeze a new lens onto the market very recently, a 70-210 f/4 
continuous aperture zoom."

As I mentioned in a reply, it is a rebadged Tamron. Here's a review of the 
Tamron version of the lens:

https://www.dpreview.com/reviews/tamron-70-210mm-f4-di-vc-usd-review

Joe

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Re: Another year, another lens

[David J Brooks]

On Tue, Feb 11, 2020 at 4:48 PM Steve Cottrell  wrote:

>
>
> This is the lens type I got (if you can excuse Ken Rockwell one more
> time...)
>
> 
>

I have the older 80-200 G lens. Its a tank and now my back up to the 70-200
VR f2.8,  but slower AF but not that slow

Dave

>
>
>
>
> --
>
>
> Cheers,
>   Cotty
>
>
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>
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Re: Another year, another lens

[Stanley Halpin]

Thanks Bill. I appreciate you sharing your impressions.

> On Feb 11, 2020, at 9:32 PM, Bill  wrote:
> 
> On 2/11/2020 12:31 PM, Stanley Halpin wrote:
>> Bill, you say “nice enough…”
>> More info please? I don’t really want another lens. If I were to buy this 
>> f/4.0 lens it would replace, not supplement my f/2.8 lens. The bulk and 
>> weight of the /2.8 sometimes make me reluctant to even carry it with me. And 
>> if I do take it, it means I leave something else behind. I wouldn’t mind 
>> sacrificing the one-stop difference in max aperture, but what else would I 
>> be giving up?
>> So, do you also have the /2.8 and would you consider the /4.0 a reasonable 
>> substitute?
> 
> I find it clumsy in use because of where the zoom ring is situated, but that 
> seems to be how it's done, so I will have to adapt.
> My initial impression is that all you will be giving up is a stop of speed 
> and a fair bit of size and weight.
> It's an internal zoom and focus, so it isn't extending out as it zooms.
> It should be OK using the camera  for tripod mounting. It doesn't feel really 
> front heavy on the K1.
> I tried taking some pictures with it, but the light was abysmal and it 
> appears my ability to shake a camera exceeds the K1's ability to tame said 
> shake. Everything I've been told is that it's a sharp lens, and my impression 
> is that it has nice, smooth, bokeh.
> I tried to see if I could make it fringe by taking a picture I would never 
> take otherwise and am happy in that regard.
> 
> I probably won't get out with it before the weekend, so I won't have pictures 
> to share for a while.
> 
> bill
> 
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Re: Another year, another lens

[Bill]

On 2/11/2020 12:31 PM, Stanley Halpin wrote:

Bill, you say “nice enough…”
More info please? I don’t really want another lens. If I were to buy this f/4.0 
lens it would replace, not supplement my f/2.8 lens. The bulk and weight of the 
/2.8 sometimes make me reluctant to even carry it with me. And if I do take it, 
it means I leave something else behind. I wouldn’t mind sacrificing the 
one-stop difference in max aperture, but what else would I be giving up?

So, do you also have the /2.8 and would you consider the /4.0 a reasonable 
substitute?


I find it clumsy in use because of where the zoom ring is situated, but 
that seems to be how it's done, so I will have to adapt.
My initial impression is that all you will be giving up is a stop of 
speed and a fair bit of size and weight.

It's an internal zoom and focus, so it isn't extending out as it zooms.
It should be OK using the camera  for tripod mounting. It doesn't feel 
really front heavy on the K1.
I tried taking some pictures with it, but the light was abysmal and it 
appears my ability to shake a camera exceeds the K1's ability to tame 
said shake. Everything I've been told is that it's a sharp lens, and my 
impression is that it has nice, smooth, bokeh.
I tried to see if I could make it fringe by taking a picture I would 
never take otherwise and am happy in that regard.


I probably won't get out with it before the weekend, so I won't have 
pictures to share for a while.


bill

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Re: Another year, another lens

[Steve Cottrell]

On 11/2/20, Bill, discombobulated, unleashed:

>They did, however, manage to squeeze a new lens onto the market very 
>recently, a 70-210 f/4 continuous aperture zoom.

I was in the market a few months ago for a constant aperture f/2.8 zoom in that 
range. The only stipulation was that it needed to have a manual iris ring on 
the lens and be a 'two-touch' zoom.

It could have been Pentax, or anything in fact. I needed it for my video kit to 
use with a Canon C300 camera (EF mount).

Ideally I was after a Tokina ATX 80-200/2.8 in any mount. In fact I eventually 
nabbed a Nikkor 80-200/2.8 and quickly sent it off to The Lens Doctor, a wild 
and canny Scot who used to be a roadie years ago for Black Sabbath or 
something. Anyway, he specialises in converting lenses by swapping the mounts 
to EF, de-clicking the aperture control and then using some Highlands magic to 
dampen it's movement, and generally clean it up. One of the lens groups had the 
startings of fungus so he cleaned it and applied TLC. Here it is on the C300:



I briefly tried to find a suitable Pentax lens but didn't get very far.

This is the lens type I got (if you can excuse Ken Rockwell one more time...)



And it really is a solid T-Rex pellet of a lens. Weighs a great deal and needs 
the lens support as it damn near tries to tear the front off the poor C300.

So my lenses with this kit are now: Nikkor 17-35/2.8, Nikkor 80-200/2.8, 
EF24-105/4 L IS, and believe it or not a Tokina 90mm 2.5 Macro in K mount with 
an EF adapter!

I would use the A*85/1.4 but to be honest the Nikkor does okay with wide open 
dreamy bokeh, and my A* is used for stills with my Oly Pen F kit.

Sorry to butt in.



-- 


Cheers,
  Cotty


___/\__   UK Shoot / Edit
||  (O)  |
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Re: Another year, another lens

[jtainter]

Bill, it is a Tamron rebadge, probably with Pentax coatings and electronics. 
Apparently it is a good lens. I will probably get one. It has been discussed 
here:

https://www.dpreview.com/forums/post/63557036

My main concern is that it is manufactured in Vietnam, not Japan like my DFA 
15-30 and 24-70. They are quite good.

Joe


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Re: Another year, another lens

[Stanley Halpin]

Bill, you say “nice enough…”  
More info please? I don’t really want another lens. If I were to buy this f/4.0 
lens it would replace, not supplement my f/2.8 lens. The bulk and weight of the 
/2.8 sometimes make me reluctant to even carry it with me. And if I do take it, 
it means I leave something else behind. I wouldn’t mind sacrificing the 
one-stop difference in max aperture, but what else would I be giving up?

So, do you also have the /2.8 and would you consider the /4.0 a reasonable 
substitute? 

Thanks!

Stan

> On Feb 11, 2020, at 12:49 PM, Bill  wrote:
> 
> I haven't seen much by way of Pentax Discuss on the PDML of late, though to 
> be fair, Pentax isn't giving us much to talk about these days.
> They did, however, manage to squeeze a new lens onto the market very 
> recently, a 70-210 f/4 continuous aperture zoom.
> I don't like zoom lenses on general principles, but I decided to hold my nose 
> and buy one anyway.
> It seems nice for a zoom, though I wish they hadn't put the zoom ring right 
> at the front of the lens.
> 
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