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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 23 Sep 2016 (Friday) 08:11
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Questions for Reikan FoCal users

 
pknight
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Sep 23, 2016 08:11 |  #1

I have two questions for Reikan FoCal users.

First, Reikan suggests that the FoCal Pro version is better able to work with lenses greater than 400mm, compared to the FoCal Plus version. In your experience, is this the case, and does the Pro version do an adequate job of adjusting long lenses?

Second, FoCal has had the TurboCal method available for Canon bodies since version 1.8. This seems to be an automated Dot Tune procedure. Have any of you used this, and if so, how did you like the results?

Many Thanks.

Pat


Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC

  
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Scrumhalf
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Sep 23, 2016 08:19 |  #2

As far as the first question is concerned, absolutely
I MFAed my 7D2 with both my 500/4 Ii and my 100-400 Ii and it was flawless.

Not sure about the 2nd question.


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pknight
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Sep 23, 2016 09:22 |  #3

Scrumhalf wrote in post #18137586 (external link)
As far as the first question is concerned, absolutely
I MFAed my 7D2 with both my 500/4 Ii and my 100-400 Ii and it was flawless.

Not sure about the 2nd question.

Thanks.


Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC

  
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greyswan
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Post edited over 4 years ago by greyswan. (3 edits in all)
     
Sep 23, 2016 19:11 |  #4

My Canon 300 f4 with Canon TC did not work well together - very blurry, I sent the TC to Canon and it was up to spec, just at the opposite end of the spec parameters to the 300mm. I used FoCal to MF and the combination is as sharp as a pin now. the Pro version works very well.

No experience with the Turbo thing, sorry.


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pknight
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Sep 23, 2016 23:58 |  #5

greyswan wrote in post #18138250 (external link)
My Canon 300 f4 with Canon TC did not work well together - very blurry, I sent the TC to Canon and it was up to spec, just at the opposite end of the spec parameters to the 300mm. I used FoCal to MF and the combination is as sharp as a pin now. the Pro version works very well.

No experience with the Turbo thing, sorry.

Thanks. The TurboCal appears to use focus confirmation to determine the adjustment, like using Dot Tune, except that the software does all the work. I have used Dot Tune for some time, and while I am happy with the results I get, it takes a long time to go through the iterative steps. I guess I will adjust the same lens with the FoCal automatic process, and then with the TurboCal, and see if they agree.


Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC

  
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Questions for Reikan FoCal users
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