July 26, 2014, 05:28:02 AM

Author Topic: About to start with Focal  (Read 10874 times)

Zv

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Re: About to start with Focal
« Reply #15 on: June 11, 2013, 10:04:20 AM »
I found it a bit difficult to line up the target at first. Then I switched on my electronic level on my 7D and used that to get my camera lined up. This worked so well that when I switch cameras, the tripod was still lined up correctly and I found the target in no time.

Also I recommend using a room with a lot of space and don't walk about or move while it's testing.
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Re: About to start with Focal
« Reply #15 on: June 11, 2013, 10:04:20 AM »

Zv

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Re: About to start with Focal
« Reply #16 on: June 11, 2013, 10:11:32 AM »
I used the screen of my macbook pro retina as target, so I had no problems with light indoor.
Good tip ... thanks for sharing.

I thought you could only use the printed target? Is any type of screen OK? This would be helpful as getting over 10EV indoors even on a sunny day is tough (without turning on florescent lights - which is a no no ... so ...).
5D II | 17-40L | 24-105L | 70-200 f4L IS | 135L | SY 14mm f/2.8 | Sigma 50 f/1.4

EOS M | 22 f/2 | 11-22 IS

dlleno

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Re: About to start with Focal
« Reply #17 on: June 11, 2013, 08:37:48 PM »
What flavor/price of focal are y'all using and why?  Do u use the charts and features of pro?

Rienzphotoz

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Re: About to start with Focal
« Reply #18 on: June 12, 2013, 02:31:42 AM »
I used the screen of my macbook pro retina as target, so I had no problems with light indoor.
Good tip ... thanks for sharing.

I thought you could only use the printed target? Is any type of screen OK? This would be helpful as getting over 10EV indoors even on a sunny day is tough (without turning on florescent lights - which is a no no ... so ...).
Good question ... I too would like to know if this is ok. Anyone?
Canon 5DMK3 70D | Nikon D610 | Sony a7 a6000 | RX100M3 | 16-35/2.8LII | 70-200/2.8LISII | 100/2.8LIS | 100-400LIS | 40/2.8 | 50/1.4 | 85/1.8 | 600EX-RTx2 | ST-E3-RT | 24/3.5 T-S | 10-18/4 OSS 16-50 | 24-70/4OSS | 55/1.8 | 55-210 OSS | 70-200/4 OSS | 28-300VR | HVL-F43M | GoPro Black 3+ & DJI Phantom

J.R.

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Re: About to start with Focal
« Reply #19 on: June 12, 2013, 02:43:20 AM »
I'm using a laser-printout of the target. I remember someone commenting in another thread that the printout should be taken using an inkjet printer - is this correct? If yes, why?
Light is language!

Rienzphotoz

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Re: About to start with Focal
« Reply #20 on: June 12, 2013, 03:18:18 AM »
I'm using a laser-printout of the target. I remember someone commenting in another thread that the printout should be taken using an inkjet printer - is this correct? If yes, why?
strange ... wonder what could be so critical that one has to use only inkjet
Canon 5DMK3 70D | Nikon D610 | Sony a7 a6000 | RX100M3 | 16-35/2.8LII | 70-200/2.8LISII | 100/2.8LIS | 100-400LIS | 40/2.8 | 50/1.4 | 85/1.8 | 600EX-RTx2 | ST-E3-RT | 24/3.5 T-S | 10-18/4 OSS 16-50 | 24-70/4OSS | 55/1.8 | 55-210 OSS | 70-200/4 OSS | 28-300VR | HVL-F43M | GoPro Black 3+ & DJI Phantom

Zv

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Re: About to start with Focal
« Reply #21 on: June 12, 2013, 03:45:56 AM »
I'm using a laser-printout of the target. I remember someone commenting in another thread that the printout should be taken using an inkjet printer - is this correct? If yes, why?
strange ... wonder what could be so critical that one has to use only inkjet

Yeah I was wondering about that, it's written on the focal website too. I just ignored it and used laser as that's what the convenience store had!
5D II | 17-40L | 24-105L | 70-200 f4L IS | 135L | SY 14mm f/2.8 | Sigma 50 f/1.4

EOS M | 22 f/2 | 11-22 IS

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Re: About to start with Focal
« Reply #21 on: June 12, 2013, 03:45:56 AM »

neuroanatomist

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Re: About to start with Focal
« Reply #22 on: June 12, 2013, 04:00:40 AM »
FoCal states that a laser print may be too glossy/reflective, an inkjet will be more matte.  I imagine an LCD panel would also be more reflective.  Personally, I've not used anything but an inkjet print on matte photo paper.
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Rienzphotoz

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Re: About to start with Focal
« Reply #23 on: June 12, 2013, 06:55:39 AM »
FoCal states that a laser print may be too glossy/reflective, an inkjet will be more matte.
That is strange ... inkjet printers use liquid colors and laser printers use powder based colors ... where I work we only have laser printers, at home I have an inkjet printer and when I see a print out from my inkjet printer it looks far more reflective than the laser printer at our office.
Canon 5DMK3 70D | Nikon D610 | Sony a7 a6000 | RX100M3 | 16-35/2.8LII | 70-200/2.8LISII | 100/2.8LIS | 100-400LIS | 40/2.8 | 50/1.4 | 85/1.8 | 600EX-RTx2 | ST-E3-RT | 24/3.5 T-S | 10-18/4 OSS 16-50 | 24-70/4OSS | 55/1.8 | 55-210 OSS | 70-200/4 OSS | 28-300VR | HVL-F43M | GoPro Black 3+ & DJI Phantom

msatter

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Re: About to start with Focal
« Reply #24 on: June 12, 2013, 08:15:51 AM »
I have used Focal for some time now and I don't think I get better results with the lenses calibrated.

Using a 250 Watt bulb in my studio flash to light the chart (inkjet on matte paper) and hope that soon the flash can be used to get even more light on the chart.

Program was very unstable and could not complete one calibration anymore. After sending logs to support which did not resolve it,  in later versions, I discovered that my standard setting of writing to both cards was the cause.

I hope they discover the possibility to set MFA remote on the 5D MKIII so I don't have to touch the camera and change the MFA manually.

Rienzphotoz

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Re: About to start with Focal
« Reply #25 on: June 13, 2013, 04:12:01 AM »
I discovered that my standard setting of writing to both cards was the cause.
Could you please explain that further ... I've been considering FoCal for quite some time now and would like to understand how the writing of files to both cards can be an issue.
Thanks in advance
Canon 5DMK3 70D | Nikon D610 | Sony a7 a6000 | RX100M3 | 16-35/2.8LII | 70-200/2.8LISII | 100/2.8LIS | 100-400LIS | 40/2.8 | 50/1.4 | 85/1.8 | 600EX-RTx2 | ST-E3-RT | 24/3.5 T-S | 10-18/4 OSS 16-50 | 24-70/4OSS | 55/1.8 | 55-210 OSS | 70-200/4 OSS | 28-300VR | HVL-F43M | GoPro Black 3+ & DJI Phantom

neuroanatomist

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Re: About to start with Focal
« Reply #26 on: June 13, 2013, 06:03:14 AM »
I hope they discover the possibility to set MFA remote on the 5D MKIII so I don't have to touch the camera and change the MFA manually.

They can't discover what Canon doesn't put in the SDK.  ;)
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RGF

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Re: About to start with Focal
« Reply #27 on: June 13, 2013, 08:29:04 AM »
The manual says that canon utilities may need to be loaded.  Is that true under Win 7?

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Re: About to start with Focal
« Reply #27 on: June 13, 2013, 08:29:04 AM »

msatter

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Re: About to start with Focal
« Reply #28 on: June 30, 2013, 02:14:45 PM »
I discovered that my standard setting of writing to both cards was the cause.
Could you please explain that further ... I've been considering FoCal for quite some time now and would like to understand how the writing of files to both cards can be an issue.
Thanks in advance

I am using an Eye-Fi card in the SD slot so I have writing separate to each memory card enabled which is causing the crashes when running Focal. As soon I disable separate Focal is completing calibrations of the lens.

kaihp

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Re: About to start with Focal
« Reply #29 on: July 02, 2013, 10:40:40 AM »
I discovered that my standard setting of writing to both cards was the cause.
Could you please explain that further ... I've been considering FoCal for quite some time now and would like to understand how the writing of files to both cards can be an issue.
Thanks in advance

I am using an Eye-Fi card in the SD slot so I have writing separate to each memory card enabled which is causing the crashes when running Focal. As soon I disable separate Focal is completing calibrations of the lens.

It seems to me that Focal is a bit fickle about non-default settings like writing to two cards, using silent mode etc.

I have noticed that my 5D3 will on many occasions forget to record the AFMA value in the EXIF, so I need to enter it manually in Focal. I still haven't figured out exactly what that triggers it.

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Re: About to start with Focal
« Reply #29 on: July 02, 2013, 10:40:40 AM »