Stab Posted April 23, 2017 Share Posted April 23, 2017 On 4/23/2017 at 7:01 PM, Emanuel said: It is actually 0.64x, not 0.67x :-) "The new Speed Booster XL 0.64x reduces the full-frame crop factor of the Panasonic GH4 from 2.0x to 1.28x, thus effectively transforming these cameras into APS-H format." "For example, a 50mm f/1.2 becomes a 32mm f/0.80" http://www.metabones.com/products/details/mb_spef-m43-bt3 http://www.metabones.com/assets/a/stories/Metabones_Speed_Booster_XL_0.64x_Press_Release_5Jun2015.pdf Stab math is correct. Expand Stab math, best math. Zak Forsman 1 Link to comment Share on other sites More sharing options...
dkapz Posted April 24, 2017 Share Posted April 24, 2017 Thanks for this- mine just arrived and this article is invaluable. Do you know how to turn off the proximity sensor to lock it to LCD? Also can it punch in to focus assist while recording video? Thanks in advance. Link to comment Share on other sites More sharing options...
Emanuel Posted May 5, 2017 Share Posted May 5, 2017 On 4/23/2017 at 8:46 PM, Stab said: Stab math, best math. Expand Sorry, but I wouldn't exactly second that @Zak Forsman too : ) https://www.youtube.com/watch?v=ScC8wlxGNIQ&lc=z13xttyhdpedf1md023ihv5qgoqhco4s.1494023396652296 18-35mm = 23,04 - 44,80 FF 35mm equivalent on XL (0.64x) and 25,56 - 49,70 (0.71x) on Ultra versions. :-) Zak Forsman 1 Link to comment Share on other sites More sharing options...
bsnyder Posted May 16, 2017 Share Posted May 16, 2017 Hello, wondering when, it you will have a Shooter's Guide for the GH-5. Got all previous models, would like to dive in for our next shoot in June. Thanks for giving us a date for release. arson519 1 Link to comment Share on other sites More sharing options...
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