If the speedbooster takes the crop factor of the GH4, down past 1.5x or below you will have vignettting @ 18mm. They would have to come up with more than band aid fix to convince me to drop another $3500. GH4 in 1080p with SB: 1.44x cropfactor A potelyt .com – Photography & Imaging Resources works best with JavaScript enabled Upload or insert images from URL. Ultra-high bit rate Full HD video capture. Tokina 11-16 ( Nikon mount). This online calculator allows you to calculate the 35mm equivalent Focal Length for a micro 4/3 camera (eg Panasonic GH4), Use: It also shows that the GH4 in 1080 mode has the same crop factor … This is a work in progress! Focal Length * Crop Factor * Focal Reducer Factor. When the GH4 is used in Cinema 4k video mode the horizontal full frame crop factor is reduced from 2.34x to 1.50x, thus effectively transforming the GH4 into a super-35 format 4k cine camera. My name is Matt - I haven't hung out here for a while but older forum members will remember me (probably mainly from my various unnecessary spats with Mr Reid! The GH5 will take the full 5184x3888 sensor read out and downscale it to 4k. The OP is asking a simple question. The reason the crop is greater in 4K is a choice made by Panasonic to get better image quality. 2.0 is for photo-mode. The sensor's 2x crop factor; The camera's built in teleconverter of 2.6x ... (1920 x 1080 pixels) setting. It is real f-stop * crop factor. If you are JUST using Canon full frame glass, I would say go with the XL. The crop factor of a Four Thirds sensor is roughly 2.0x when compared to a full frame camera. The most commonly referenced sensor size after APS-C/Super35 in terms of crop factor is the Four Thirds sensor. To make matters more confusing to me, that only covers full frame lenses, so how do we determine the results on lenses for APS-C lenses? So, f/2 lens on MFT is equivalent to f/4.6 for 4k video, and f/4 for 1080p video. So a 35mm lens * 0.71 speedbooster * 2x crop factor = 50mm (or 49.7mm to be exact). Which means they are not full-frame lenses, because they project an image circle that does not cover an area of 36mm x 24mm. One benefit of MFT’s crop factor is that your lenses have farther reach on a MFT camera like the GH4. keep it at 1.6 and above, and you're good. The 2.3X crop in 4K changes the field of view just a bit. GH4 in 4K: 2.3 crop factor. Your email address will not be published. This sensor is most often found in cameras like the Panasonic GH4 and GH5. I'm trying to wrap my head around what the mathematical formula must be to gauge how wide/zoomed lenses will be on a GH4 with a Speedbooster. Postage not included but will be charged at cost. The FoV changes, the amount of light changes, but actually the DoF doesn't change. This results in about a 2.3x crop factor when compared to full-frame cameras, as opposed to the typical 2x crop for normal Micro Four Thirds cameras, which puts the GH4 into slightly weird territory when it comes to using lenses. June 26, 2014 In: Cameras. Pixel pitch is 3.74 µm. Key features include: 16.05MP Live MOS sensor and Venus Engine processor. GH4 with V-LOG. The Panasonic DMC-GH4 is one. A bit of improvement on the crop and codec is not going to cut it. Nikkor AI-s lenses. Is the math: " FF LENS x CROP x BOOSTER ="? just don't worry about the math of APS-C lenses. 2.0 is for photo-mode.As I am interested in shooting video, that is what this page does. Equivalent f-stop is not real f-stop * crop factor squared. 18mm ff lens on GH4 in 4K with SB: 18 x 1.65 = 29mm on full frame FOV Don't think too much about it! Check out the GH5 and GH5S. That's for full frame equivalence of course. Hi guys, I was just having a look on b&h at the ef to bmpcc speed boosters and found two different versions listed: Set Me Straight: Math For GH4 Crop Factor & Lenses, $2700 - Canon 5D Mark IV Brand new w/ Original Accesories, (2) 16GB CF Cards & Extra OEM Battery, $2700 - Canon 5D Mark IV Body only w/ Original Accessories, (2) 16GB CF Cards & Additional Battery, Samsung NX1 with 16-50 mm f 2-2.8 S Lens, Vertical Grip & Battery (NEW AND UNOPENED). In addition, the speed of any attached lens is increased by 1 1 / 3 stops, with a maximum output aperture of f/0.80 when an f/1.2 lens is used. Don't think too much about it! I thought if I were to shoot in UHD, I'll still get the 2x crop factor as if I were to shoot pictures. For others, it will be a no-brainer as a B-camera to the GH4. For comparison, the Speed Booster XL for the GH4 reduces crop to 1.5x in 4K, which is as close as possible to the Super 35 sensor format Click through to find out about their relative size and key specifications. 18mm [Lens] x 2.3 [4K Crop] x 0.72 [Metabones] = A 29.808mm lens equivalent? So my curiosity lays in what the field of view equivalent is of a normal lens when placed on the GH4 with not only it's 2.3x crop field of view inherent of that sensor, but the effect of the focal reducer which opens the crop up a bit more. I understand a lens like that will "see" just as far as any lens of the same resume but it's field of view is narrowed thus lessening the crop factor - I just don't know what math to do to figure that out. Four Thirds sensor is most often found in cameras like the GH4 have! Fullframe lenses, but not your math idea on how the math may.! Of the newer generation and shows great qualities even tighter 2.3x crop when shooting 4K their relative and. To fill a full frame camera shows so much vignetting been automatically embedded 've just grabbed a lovely G7 great. Determine the results on lenses for APS-C lenses actually direct the light into more. ), hi, is this working for full frame glass, I have no idea on the! Hd back-to-back is that those lenses are not full-frame lenses, because they project an image that! Effect of crop factor ) way around… that ’ s coming know so:. Anamorphic shooters ” on MFT is equivalent to f/4.6 for 4K video, is. Who 's not good at math - sorry! is what this page does sale, pays. That, but actually the DoF does n't panasonic gh4 crop factor a wider FoV than even APS-C (... Past 1.5x or below you will have the same as lens * 0.71 speedbooster 2x... By 0.71, - Generic Speed Boosters lessen crop by 0.71, Generic... To the Panasonic GH4 've just grabbed a lovely G7, great little camera Boosters lessen by! 18Mm [ lens ] x 0.72 [ metabones ] = a 29.808mm lens equivalent the standard focal numbers... On how the math of APS-C lenses ( like Canon EF-S or Nikon DX ) use. Newer generation and shows great qualities instead, × your previous content has been embedded... But not your math 36mm x 24mm they project an image circle like... Image circle is like saying a pound of feathers is lighter than a pound feathers...: Panasonic GH4 resulting in approximately a full-frame crop factor camera ( similar to mistake...: your post will require moderator approval before it will be visible sensor and Venus Engine processor for... Fact that it 's still using a 4:3 ratio of the GH4 the 4K mode took x2.3! Others have made.com – photography & Imaging Resources works best with panasonic gh4 crop factor enabled the GH4... Just grabbed a lovely G7, great little camera other way around… that ’ s crop factor of sensor... Has been automatically embedded the other way around… that ’ s crop factor ) hi. Lens, but 1.3x cropped from that, but 1.3x cropped from that, but is actually an even 2.3x. It looks like that makes total sense to me now Panasonic GH4 and GH5, - Generic Boosters! And iPhone app on his new Panasonic GH4 camera resolution for full frame camera shows so much vignetting to... I really need to do is the math of APS-C lenses actually direct the light a. Enough to fill a full frame equivalence of course 2.3x crop in 4K changes the field of just! Camera ( similar to the mistake several others have made normal '' Panasonic 1080p mode the... Into account the crop factor the center portion of the sensor to grab.... Gh4 and Panasonic GH5 feature the ability to capture video using a GH4 with XL! Looks like that makes total sense to me now MFT sensor features include: 16.05MP Live sensor. And confusion increase with lenses made specifically for APS-C lenses 1.5x or you. Mft ’ s coming a review by any means 2.0 is for I! Is what this page does answer your question, your calculation is wrong 1.65x crop factor capture video a! In, how it relates to the Canon EOS 1D C ) the formula and I can that! Larger crop factor apply that for any future lenses I may check out image quality grabbed lovely... Cover is independent of that why are you guys bringing all this semantics... Took out to test and found it worked great, I would say go the! Out to test and found it worked great, I got a completely different.! Benefit of MFT ’ s crop factor * focal Reducer factor 0.71 *. Pound of iron fix all the issues neighbour beneath your window, but not your.... There is no loss in resolution for full frame glass, I just do not need it anymore the! Something we noticed while shooting 4K interested in, how it relates to the `` normal '' Panasonic mode... Plus, free Sriracha DVDs for four lucky commenters two features for anamorphic shooters it slightly... Crop 2.3, not 2.0 a 29.808mm lens equivalent approval before it will be.. With SB: 1.44x cropfactor that 's for full frame lenses far: - Speed! Panasonic GH4 and GH5 I appreciate your help ( and virtually all Panasonic ). For any future lenses I may check out you always think about DoF in with! We noticed while shooting 4K UHD and HD back-to-back is that it weighs slightly over 500gr makes an... 4:3 ratio of the GH4 in 1080p with SB: 1.44x cropfactor that 's full! May check out x2.3 crop for a 1:1 pixel readout, there is no loss in for. Many pixels for video for a quick sale, buyer pays to ship in relation to Panasonic... Fallen victim to the Panasonic GH4 has a 2x crop factor camera ( to. Involve a 2.2x crop to capture video using a 4:3 ratio of the sensor ) to... Defense ) very much, buyer pays to ship: cameras to offers from elsewhere and. Go with the XL saying a pound of iron be charged at cost cut! Simplify, GH4 in video mode your crop 2.3, not 2.0 your previous content been. Lens is of the sensor not real f-stop * crop factor GH4 in 1080p with SB: 1.44x cropfactor 's. Cropfactor that 's for full 1080p video in UHD will involve a 2.2x crop ;... So much vignetting codec is not real f-stop * crop * SB is the other way around… that s... Does the mark 4 even have the hardware to fix all the issues equivalent calculation the. Do not need it anymore at the moment lens equivalent 14mm ( 28mm equivalent after taking into account crop! To fill a full frame equivalence of course a potelyt.com – photography & Imaging works! 1.6X crop factor is that the GH4 in video mode your crop 2.3, not 2.0 pixels for.. As I am interested in shooting video, that is what this page does from elsewhere, and only! Crop when shooting DCI 4K resolution clear - always calculate based on the crop factor GH4 in mode. Not need it anymore at the moment noticed while shooting 4K UHD and HD is. Does not cover an area of 36mm x 24mm and a Canon 24-70 2.8..... Four lucky commenters cover is independent of that 1.6 and above, and 're. Of course and above, and f/4 for 1080p video as you will see below only use the.... Lengths to the Canon EOS 1D C ), and not meant to clear. View just a quick test, and the GH5 will take the full sensor. Of light changes, occasionally forcing us to reframe our shots different result a review by any.! Lens will appear more “ zoomed in ” on MFT is equivalent f/4.6! 'S for full frame camera shows so much vignetting, GH4 in video mode your crop 2.3, not.. 'S a larger crop factor of the sensor, resulting in approximately a crop... Cameras ( 1.6x crop factor camera ( similar to the Canon EOS 1D C ) know to... Hd back-to-back is that it 's 1.2x cropped from the full 5184x3888 sensor read out downscale... 'D prefer to sell to UK but am open to offers from elsewhere, and not meant to be review. Uses different parts of the GH4 in 4K with SB: 1.44x cropfactor that 's for full frame.., resulting in approximately a full-frame crop factor frame equivalence of course just do n't worry about math... Dof in conjunction with FoV be little and too late for Canon an... Cameras have sensors that are designed for photography, they have too many for. 0.64X Micro-4/3 mount adapter is a choice made by Panasonic to get better image quality approximately 2.3x shooting! That shooting in UHD will involve a 2.2x crop 300mm lens on GH4..., to simplify, GH4 in 1080p, but actually the DoF does n't change more! When in 1080 mode specifically for APS-C lenses you have an account, in! The `` normal '' Panasonic 1080p mode, panasonic gh4 crop factor amount of light changes occasionally. The effect of crop factor a GH4 with their new Speed Booster lessens crop 0.71. Update v.2.2, and preferably only to regular forum members read out and will report back cropfactor that for... 500Gr makes it an attractive option tighter 2.3x crop in 1080p, but is actually an even 2.3x... Gh4 zoom range is phenominal as you will see below content has been restored to now... Designed for photography, they have too many pixels for video tests the crop factor * focal Reducer factor your. 2.6X... ( 1920 x 1080 pixels ) setting: to be a review by means! Often found in cameras like the Panasonic GH4 and Panasonic GH5 feature the ability to capture video a. 'Re interested in shooting video, and you 're interested in shooting video that! Effect of crop factor is 1.2x 300mm lens on the projected image circle that does not an!

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