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03-09-2016, 09:45 PM   #1
Pentaxian




Join Date: May 2010
Location: Sydney
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Motorised pan heads with 645Z

Does anyone have experience of using the 645Z with a gigapan head? How stable has it been? Good results? I have heard mixed reports of how stable it is.

If you've found something better, what is it?

In case it matters, I envisage its use with wide angle, standard and short tele lenses, so from 25mm to perhaps 120mm (not very long lenses).

Many thanks!

Ed

03-10-2016, 12:07 AM   #2
Tas
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Experience with front heavy lenses on the Gigapan

G'day Ed,

I can't say I have the 645Z experience but I have tried the DA*300 with my K5 on the Gigapan.

The 300 is about the same weight as the 645 25mm and approx 1/2 kg light than the 645 28-45. The camera will of course be lighter.

I found that the Gigapan would work fine once set up and running, but I had some concerns about the ability for the motor to sustain the load. Between panos, so when it was idle, the cradle would not stay sitting in the final frame position. All the images were okay, so the panos were unaffected, I was just concerned about the what that movement might do to the motor once the program ceased.

I hope someone with the Z can provide feedback on use with the 28-45 and other lenses on the Gigapan.

Using hte Z with the lighter lenses shouldn't be an issue though, and something like the 75mm, 90mm or the 120mm would be good picks as I find the short teles on APSC (50-100) are my preference for use with the Gigapan.

I'll try the 300 again as it's a bit of a laugh and the detail it captures is amazing. I will need to find the right subject and/or larger SD cards, I ran out at 900 and something last time.

The Gigapan and the Z will make some awesome images, so I hope you give it a go and post them for us to see.


Tas
03-10-2016, 01:36 AM   #3
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Join Date: Feb 2014
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Ed

I have one you can borrow to try.

Only have Canon cable, but getting a cable should not be a drama.

Michael

---------- Post added 03-10-16 at 07:44 PM ----------

It seems I have a compatible cable, the Canon/Pentax e3, is that compatible with the Z?
03-10-2016, 03:54 AM   #4
Pentaxian




Join Date: May 2010
Location: Sydney
Posts: 466
Original Poster
Thanks guys - wonderful help!

Would love to test it out, probably with one heavy wide angle lens (28-45) and one largeish tele (e.g. 120) in low light so that its stability with long exposures can be tested. Would that work? Results shared here (should have sorted out Dropbox space by then). And yes, I think that cable should fit fine.

Exciting!

Ed

03-10-2016, 04:06 AM   #5
Tas
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Set up for avoiding parallax error could be a problem

The max weight for the epic pro is 4.5kg. What is the Z and the 28-45?

The correct positioning of the camera and lens to avoid parallax error with the longer lenses will push a lot of weight to the rear of the cradle.

When I played with the K5/DA*300 this was an issue. The answer was to slide it forward further in the cradle and minimise foreground content.

The 120 is approx 700g, so not that heavy, but the camera will again sit further back in the cradle than if you used the 75mm. I don't see any problems with the 120 other than trying to capture foreground details without the alignment issues if you can't set up for parallax error.

Some good software like PTGUI and Auto Kolor Pano would potentially give you enough control in PP if alignment problems occurred, so as they say in the classics: it can't hurt to try.

Tas
03-10-2016, 05:14 AM   #6
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Ed

I am away at present, back early next week. Will contact you upon return.
03-10-2016, 02:13 PM   #7
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QuoteOriginally posted by Tas Quote
The max weight for the epic pro is 4.5kg. What is the Z and the 28-45?
3,020g, so, 3.02kg.
03-10-2016, 07:12 PM   #8
Pentaxian




Join Date: May 2010
Location: Sydney
Posts: 466
Original Poster
What you say about weight of longer lenses, positioning and parallax makes absolute sense. I suspect that a happy medium can be found, especially as careful use of modern stitching software seems able to mitigate all but the worst parallax issues.

Will be an interesting test!

Ed

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