Re: PESO 2020 - quarter Moon - GDG

[Godfrey DiGiorgi]

Carbon. 

In the testing they did during the course of development, the carbon design 
proved to be both more stable and faster damping with small induced vibrations. 
The difference in weight is about 3/4 lb. For the $250, both the improved 
stability and the weight savings seemed worth it. 

G

> On Dec 22, 2020, at 12:14 PM, Toine  wrote:
> 
> That's the aluminium or carbon version? Sounds like the carbon looking at
> the price tag of the arca.
> 
> On Tue, 22 Dec 2020, 20:13 Godfrey DiGiorgi,  wrote:
> 
>> The Hasselblad V-system Zeiss lenses are shockingly accurate on focus
>> calibration and provide amazing quality. Even the more modest performers
>> are extremely good performers, which is one of the reasons why I've been a
>> little baffled when I hear some folks complaining that "...they're just not
>> sharp enough for the digital backs..." This particular Sonnar 150mm f/4 is
>> freekin' ancient (made in 1967, pre T* coatings) and has a crack in the
>> focusing mount … It's too expensive to have it repaired since I can buy a
>> replacement without any issues for half the cost of repair. But I think
>> photos like this one show that it is more than just "good enough" to be
>> useful on the digital back. :)
>> 
>> The PD Travel Tripod is an excellent quality, ultra-light and
>> ultra-compact piece of kit given its carrying capacity, height, and
>> versatility. It holds the Hassy with even the 150 lens and digital back
>> quite stably enough to be extremely useful, and it's small enough to toss
>> into my bicycle backpack and not be a burden. The price … while it's not
>> inexpensive, it's about 2/3 of what my Arca-Swiss Monoball P0 Hybrid *ball
>> head* costs, never mind a suitable set of legs to hold that head off the
>> ground. It's one of those things where you actually get what you pay for
>> and, if you use it enough, you're ahead of the game. :)
>> 
>>> On Dec 22, 2020, at 10:33 AM, Toine  wrote:
>>> 
>>> That's impressive. And just set the lens to infinity? None of my
>>> pentax lenses is set at infinity at infinity. Must be the tripod. I
>>> had my eye on a PD tripod for a very long time, the price tag is my
>>> only drawback.


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Re: PESO 2020 - quarter Moon - GDG

[Godfrey DiGiorgi]

The Hasselblad V-system Zeiss lenses are shockingly accurate on focus 
calibration and provide amazing quality. Even the more modest performers are 
extremely good performers, which is one of the reasons why I've been a little 
baffled when I hear some folks complaining that "...they're just not sharp 
enough for the digital backs..." This particular Sonnar 150mm f/4 is freekin' 
ancient (made in 1967, pre T* coatings) and has a crack in the focusing mount … 
It's too expensive to have it repaired since I can buy a replacement without 
any issues for half the cost of repair. But I think photos like this one show 
that it is more than just "good enough" to be useful on the digital back. :)

The PD Travel Tripod is an excellent quality, ultra-light and ultra-compact 
piece of kit given its carrying capacity, height, and versatility. It holds the 
Hassy with even the 150 lens and digital back quite stably enough to be 
extremely useful, and it's small enough to toss into my bicycle backpack and 
not be a burden. The price … while it's not inexpensive, it's about 2/3 of what 
my Arca-Swiss Monoball P0 Hybrid *ball head* costs, never mind a suitable set 
of legs to hold that head off the ground. It's one of those things where you 
actually get what you pay for and, if you use it enough, you're ahead of the 
game. :)

G
—
"My sharpest lens is a sturdy tripod."

> On Dec 22, 2020, at 10:33 AM, Toine  wrote:
> 
> That's impressive. And just set the lens to infinity? None of my
> pentax lenses is set at infinity at infinity. Must be the tripod. I
> had my eye on a PD tripod for a very long time, the price tag is my
> only drawback.
> 


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Re: PESO 2020 - quarter Moon - GDG

[Toine]

That's the aluminium or carbon version? Sounds like the carbon looking at
the price tag of the arca.

On Tue, 22 Dec 2020, 20:13 Godfrey DiGiorgi,  wrote:

> The Hasselblad V-system Zeiss lenses are shockingly accurate on focus
> calibration and provide amazing quality. Even the more modest performers
> are extremely good performers, which is one of the reasons why I've been a
> little baffled when I hear some folks complaining that "...they're just not
> sharp enough for the digital backs..." This particular Sonnar 150mm f/4 is
> freekin' ancient (made in 1967, pre T* coatings) and has a crack in the
> focusing mount … It's too expensive to have it repaired since I can buy a
> replacement without any issues for half the cost of repair. But I think
> photos like this one show that it is more than just "good enough" to be
> useful on the digital back. :)
>
> The PD Travel Tripod is an excellent quality, ultra-light and
> ultra-compact piece of kit given its carrying capacity, height, and
> versatility. It holds the Hassy with even the 150 lens and digital back
> quite stably enough to be extremely useful, and it's small enough to toss
> into my bicycle backpack and not be a burden. The price … while it's not
> inexpensive, it's about 2/3 of what my Arca-Swiss Monoball P0 Hybrid *ball
> head* costs, never mind a suitable set of legs to hold that head off the
> ground. It's one of those things where you actually get what you pay for
> and, if you use it enough, you're ahead of the game. :)
>
> G
> —
> "My sharpest lens is a sturdy tripod."
>
> > On Dec 22, 2020, at 10:33 AM, Toine  wrote:
> >
> > That's impressive. And just set the lens to infinity? None of my
> > pentax lenses is set at infinity at infinity. Must be the tripod. I
> > had my eye on a PD tripod for a very long time, the price tag is my
> > only drawback.
> >
>
>
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Re: PESO 2020 - quarter Moon - GDG

[Toine]

That's impressive. And just set the lens to infinity? None of my
pentax lenses is set at infinity at infinity. Must be the tripod. I
had my eye on a PD tripod for a very long time, the price tag is my
only drawback.

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Re: PESO 2020 - quarter Moon - GDG

[Ralf R Radermacher]

Am 22.12.20 um 18:36 schrieb Godfrey DiGiorgi:

...anyone who tells me that "those old Hasselblad lenses don't have enough

resolution for the digital backs!" any more.

Zeiss lenses, if you please. :-)

Nothing like a good old Planar, Sonnar or Distagon. Just as classical as
your stylish shot of the moon.

Ralf

--
Ralf R. Radermacher  -  Köln/Cologne, Germany
Blog  : http://the-real-fotoralf.blogspot.com
Audio : http://aporee.org/maps/projects/fotoralf
Web   : http://www.fotoralf.de

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Re: PESO 2020 - quarter Moon - GDG

[Daniel J. Matyola]

Excellent!

Dan Matyola
*https://tinyurl.com/DJM-Pentax-Gallery
*



On Tue, Dec 22, 2020 at 12:37 PM Godfrey DiGiorgi 
wrote:

> I decided that yesterday was a "walk and shoot" day with the Hasselblad
> 500CM. So I fitted the ancient Sonnar 150mm f/4 and the CFVII 50c digital
> back, stuffed my PD Travel Tripod into a shoulder bag and put a neck strap
> on the camera, and headed out for a hour and a half walk around the
> neighborhood.
>
> Coming up on the end of the walk, I stopped at the cafe to grab a cup of
> coffee to have with my lunch and walked over to the stone bench near the
> fountain by the cafe. The sky was a clear pale blue, a bit of mist up
> there, but just barely visible was the quarter Moon. "Hmm, I wonder how big
> that will image onto the medium format digital sensor with this 150mm
> lens...?"
>
> So I stuck the camera onto the tripod, set the lens to infinity and f/5.6
> (or f/8...?) and the shutter to about 1/125 (1/250 ..?) and snapped a photo
> using my cable release. Using some post-processing to make the Moon as
> visible as possible smashed the pale blue to nearly black …
>
>  Quarter Moon - Santa Clara 2020 :: https://flic.kr/p/2kjkLiW
>
> It's a pretty small image of the Moon. But as I looked at it on my
> computer display last evening, I thought I saw enough structure on the face
> of the Moon and decided to crop down to it for a better look…
>
>  Quarter Moon - Santa Clara 2020 (cropped) :: https://flic.kr/p/2kjq5vD
>
> Made with Hasselblad 500CM + 1967 Sonnar 150mm f/4 onto the CFVII 50c
> digital back.
> Exposure ISO 400 @ f/5.6 @ 1/125 (estimated).
>
> LOL! I don't think I'm going to believe anyone who tells me that "those
> old Hasselblad lenses don't have enough resolution for the digital backs!"
> any more. :D
>
> enjoy!
> G
> —
> No matter where you go, there you are.
>
>
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