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FOV (radians) = 2 * arctan(x/2f)
Add your image sensor below. Make sure to include the sensor Width in mm.
Add your SpeedBoster below. Make sure to include the crop factor multiplier.
Speed Booster® makes the focal length 0.7x shorter. F-number is simply focal length divided by entrance pupil diameter. Since the former reduces by a factor of 0.7x but the latter remains the same, F-number also becomes 0.7x smaller, or one stop faster. The F-stop increase is real.
metabones.com/article/of/faq
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f = focal length
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x = diagonal, w, or h of film / sensor
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degrees = radians * 180 / π
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(label)(35mm eq)(horizontal)(speed boosted)BlackMagic
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LensFocal LengthFocal LengthFOVSpeed BoosterImage SensorMountMax Aperture~ Max ApertureImage SensorWidth
Horizontal Crop Factor
Height
Vertical Crop Factor
Speed BoosterMultiplierMount AdapterF-StopSpeed BoostedCodec: Qualityh / TB
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akiphone 15 pro13mm13mm108.3°none1.035mm1.0nonef1.80f1.8035mm361.0241.0none1.0f32.00f22.00Quality: Q02.50
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rcnokton10.5mm20mm84.2°none1.0bmpcc4k1.9mftf0.95f0.95f22.00f16.00Quality: Q14.25
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akiphone 15 pro24mm24mm73.7°none1.035mm1.0nonef2.20f2.20bmpcc4k18.961.9102.4metabones 0.64x0.6ef → mfthttps://www.amazon.com/Metabones-Booster-Adapter-BMPCC4K-Camera/dp/B07WJJ14V9f16.00f11.00Quality: Q36.75
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akiphone se 202028.0mm28mm65.5°none1.035mm1.0nonef1.80f1.80apsc25.11.416.71.4viltrox 0.71x0.7m43 → mfthttps://www.amazon.com/VILTROX-NF-M43X-Adapter-Aperture-Infinity/dp/B072XF4L4Jf11.00f8.00Quality: Q510.00
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aknokton17.5mm33mm56.9°none1.0bmpcc4k1.9mftf0.95f0.95mft182.013.51.8metabones 0.71x0.7fd → mftdiscontinuedf8.00f5.60Bitrate: 3:12.50
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akcanon fd28.0mm34mm55.8°metabones 0.64x0.6bmpcc4k1.9fdf2.80f2.00kf 1.0x1.0fd → mfthttps://www.amazon.com/Concept-Adapter-Olympus-Panasonic-Cameras/dp/B00LECYK0Y/f5.60f4.00Bitrate: 5:14.25
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rcnokton25.0mm47mm41.5°none1.0bmpcc4k1.9mftf0.95f0.95kf 1.0x1.0ef → mfthttps://www.amazon.com/gp/product/B087WMGTBT/f4.00f2.80Bitrate: 8:16.75
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akiphone 15 pro48mm48mm41.1°none1.035mm1.0nonef1.80f1.80f2.80f2.00Bitrate: 12:110.00
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akcanon fd28.0mm53mm37.4°kf 1.0x1.0bmpcc4k1.9fdf2.80f2.80f2.00f1.40
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akcanon fd50.0mm61mm33.0°metabones 0.64x0.6bmpcc4k1.9fdf1.40f0.95f1.40f0.95
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akhelios58.0mm70mm28.7°metabones 0.64x0.6bmpcc4k1.9eff2.00f1.40f0.95f0.70
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akiphone 15 pro77mm77mm26.3°none1.035mm1.0nonef2.80f2.80f0.70
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rcnokton42.5mm81mm25.1°none1.0bmpcc4k1.9mftf0.95f0.95
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akcanon fd50.0mm95mm21.5°kf 1.0x1.0bmpcc4k1.9fdf1.40f1.40
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akhelios58.0mm110mm18.6°kf 1.0x1.0bmpcc4k1.9eff2.00f2.00
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canon fd24.0mm32mm58.2°metabones 0.71x0.7bmpcc4k1.9fdf2.80f2.00
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akindustar55.0mm104mm19.6°none1.0bmpcc4k1.9m39
→ mft
f2.80f2.80
canon fd 28mm f2.8
61.8
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canon fd 50mm f1.4
65.5
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