dougpeterson
Workshop Member
For landscape shooters: not even a tiny bitHow important is flash sync speed to the majority of tech cam users I wonder?
For architectural shooters: a LOT
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For landscape shooters: not even a tiny bitHow important is flash sync speed to the majority of tech cam users I wonder?
Provably dependents in the market. Even in architecture in Europe I would say not that important. Compared to the US.How important is flash sync speed to the majority of tech cam users I wonder?
This is simply not true.While a nice dose of cynicism never hurts, you CAN “just use Cambo lenses” on the XT and adding a focal plane shutter to the XT would have only provided up to 1/125 shutter speed with flash sync and wouldn’t have provided lens model-serial metadata or aperture control and aperture metadata.
It’s the lens that needs to be smart to achieve complete simplicity and integration.
— reposting from LL...
FPS:
- vibration: considerable
- aperture control: manual
.
I'd welcome any factual corrections, and would gladly incorporate them into my post to ensure it is accurate. But I suspect you're misreading my post, as I'm very confident in each of these points.This is simply not true.
I've been discussing this with the product manager and that specification is not yet solidified; based on our feedback (largely sourced from this thread) it is being reconsidered as it's clear there are some good reasons the max mechanical shutter length should be longer than 1".Has anyone confirmed that shutter speeds longer than 1 sec revert to the ES of the IQ4? In Phase marketing lit. they show the X shutter range from 1/1000 to 60 sec. which implies the X shutter can handle the full range.
The use case here is adding fill flash (or in some cases, key-light flash) to architectural interior shots when direct daylight is streaming through the window. In this use case every stop of flash sync speed means (pick any):Some observations w.r.t. an XT design and an integrated focal plane shutter:
- flash sync: 1/125 => I can’t deny this, but how troublesome is this? Think about the huge amount of cameras with a sync speed of 1/125… 1/250. Can’t be that unusable. I’d also like to mention HSS.
Yes, some people mix those two up. However, either can be problematic.- vibration: considerable => I question this. In many cases with DSLRs mirror slap and shutter vibration are mixed up. Here we only have risk of shutter vibration.
Imagine you now want to add some new accessory such as a lens adapter for other types of lenses or a tilt-swing adapter. In such cases every mm you have eaten up in fixed-cannot-remove body depth is a mm you can't use for that accessory. I would definitely acknowledge this as a lower impact than the other items listed, but it is a real impact none the less.- flange distance: uses up several mm => no impact in case of fully integrating it in the camera design.
Just a short question on warranty. Am I correct that there is no way to get more than a year even if you buy the XT and all lenses? (Over 35k) Upgrade a back to a IQ4 and an XT?
The only way to get 5years is buy the XT lenses and a new back as a bundle, correct?
Another point, if you now buy the XT there will be no chance for extended warranty on any new lenses (40/90..) correct?
The shipment chain you pose is speculative, and I suspect the reality will be a lot more streamlined. But I too am speculating as the method/manner/pricing of that service has not been finalized, and will not be for many months.2. A lot of moving around and insurance/shipping costs. These lenses are not cheap and they are delicate. Shipping example, for a Arca user: User to dealer, Dealer to P1, P1 to Rodenstock to remove Copal and add X shutter. Rodenstock back to P1 for testing, P1 back to dealer, dealer back to customer. Lots of shipping, and overseas, customs, insurance, etc.
Complete electronic aperture control. That will come in handy for metadata, lens correction, remote control, bracketing, live view (which you can set to open to full aperture, or remain stopped down, when entering live view) etc.(BTW, never been mentioned if the lens has the Rodenstock aperture only design or if the shutter has aperture control like a copal).
Put on a long lens, mount to a normal travel-sized tripod, and shoot at 1/8th with the focal plane. Then repeat on ES. Post the resulting comparison at 100%.I've owned the FPS for few years. I can confirm the Alpa FPS has no shutter vibration issue.
Put on a long lens, mount to a normal travel-sized tripod, and shoot at 1/8th with the focal plane. Then repeat on ES. Post the resulting comparison at 100%.
Alpa makes great cameras, but they can't rewrite physics (nor can anyone else). Moving mechanical shutters, whether in the XF, a Sony, or Alpa cause vibration and focal plane shutters cause more vibration than leaf shutters.
What you mean is that you've never had a practical problem with vibration given what and how you shoot (length length, shutter speeds, tripod size/weight). That's the feedback I'd echo from our XF users as well as the testing I did with the Arca Swiss FPS unit; it's only problematic in narrow ranges of use cases. For many (probably most) users it may never once be a problem or only occasionally a minor annoyance. For still others it may be a significant limitation.
I was asked why a leaf shutter was used rather than a focal plane shutter and I listed the technical advantages* of a leaf shutter which includes that they don't cause as much vibration. This really is not a controversial statement.
*as well as the two advantages of an focal plane shutter that I can think of
Pramote--another mind provoking post.I guess most people who own IQ4150 will not buy the XT due to the high price and lack of attractive upgrade path. I also think some people who own the IQ will switch to Fuji or Hasselblad. Once they switch, they would never come back again. Pramote
Educate yourself.I'd welcome any factual corrections, and would gladly incorporate them into my post to ensure it is accurate. But I suspect you're misreading my post, as I'm very confident in each of these points.
Note that "FPS" here stands for "Focal Plane Shutter" generically rather than for the "Alpa FPS" which I only addressed in one point on my post (about weight/size/cable/battery in their specific implementation of a FPS). Noting the disadvantages of focal plane shutters applies broadly across a variety of solutions including the Hartblei, the Arca Swiss FPS that was abandoned, and even the XF.
This is such nonsense. You’re basically telling someone to use a poor combination of gear.Put on a long lens, mount to a normal travel-sized tripod...