Phase One (company)

Phase One A/S is a Danish company specializing in high-end digital photography equipment and software. It manufactures open platform based medium format camera systems and solutions. Its RAW processing software, Capture One, supports many DSLRs besides their backs.
PODAS workshops is a series of worldwide photography workshops designed for digital photographers interested in working with medium format, high-resolution cameras. PODAS is a part of the Phase One educational division. Each attendee receives a Phase One digital camera system for the duration of the workshop.
On 18 February 2014, it was announced that UK-based private equity firm Silverfleet Capital would acquire a 60% majority stake in the company.
On 17 June 2019, Phase One A/S was once again sold, this time to the Danish investment company Axcel.

Products

Cameras

In 2009, Phase One purchased a major stake in Japanese Mamiya and the two companies developed products together. Phase One's product line includes:

Phase One XC
Phase One XT
Phase One XF
Phase One 645DF+
Phase One 645DF
Phase One 645AF
Phase One iXM
Phase One iXA
Phase One iXG
Phase One iXR
Phase One iXU
Phase One iXU-RS
Phase One iXU-RS1900
Phase One iXM
Phase One iXM-RS
Phase One iXM-MV
Phase One iXH
Phase One iXM-SP

The Phase One 645DF+ and 645DF cameras are medium format cameras which support both focal plane and leaf shutter lenses with shutter speeds ranging from 1/4000s to 60 minutes and flash synchronization up to 1/1600 sec. Among the new features on the 645DF+ are:

Fast and accurate auto focus especially in low contrast environments
Custom focus fine-tuning adjustment
Rechargeable Li-ion battery with up to 10,000 captures on one charge
Rugged construction for high volume production use

The Phase One V-Grip Air vertical grip is compatible with the 645DF+/645DF. The V-Grip Air supports a Profoto Air flash trigger for wireless flash synchronization.
The 645DF+/645DF supports digital back interfaces including the IQ and P+ series digital backs as well as 3rd party digital backs from Hasselblad, Leaf and others.
In 2012, Phase One released two specialty cameras: iXR which is made specifically for reproduction and iXA which is made specifically for aerial photography. Both uses the 645 lenses as the normal 645 cameras. Main difference on this camera is they have no viewfinder and very few mechanical moving parts.
In 2013, Phase One signed a collaborative distribution agreement with Digital Transitions to deliver advanced digitization solutions for cultural heritage preservation imaging projects worldwide. The range of Digital Transitions digitization equipment includes a multitude of reprographic benches, purpose-built reprographic cameras, specialized book copy stations, film scanning kits, and accessories that are designed to host the line of Phase One digital capture hardware and Capture One software.
In 2014, Phase One launched a medium format digital back with a CMOS/active pixel sensor: The IQ250. All Phase One digital backs launched prior to the IQ250 have sensors based on the CCD technology.
In 2015, Phase One introduced the XF camera system. It is a new digital camera platform, medium format system built with the intention to upgrade it over a series of updates throughout the product lifetime. At the same time, the IQ3 series digital backs were introduced. This included the IQ3 50MP based on the previous IQ250, the IQ3 60MP based on the previous IQ260 and the newly introduced IQ3 80MP which includes a new CCD sensor exclusive to Phase One.
In 2019, Phase One launched its IQ4 series of digital camera backs at 100MP to 150MP resolution and the Phase One XT IQ4 150MP Camera ), with the 150MP generating 120.26 x 90.19 cm 16-bit color images at 300dpi.

Lenses

The 645DF / DF+ / XF is compatible with the following lenses:

Phase One Digital focal plane lenses
Schneider Kreuznach leaf shutter lenses
Mamiya 645 AF lenses
Mamiya 645 manual lenses
Compatible with Hasselblad V and Pentacon 6
Phase One

Focal length	Maximum Aperture range	Designator	Optical Construction	Shutter speed	Minimum focusing distance	Filter thread	Equivalent 35mm Focal Length	Dimension	Weight
28mm	4.5–32	AF Aspherical	14 elements, 10 groups	N/A	35 cm /1.15 ft	Rear sheet filter / Optional LEE SW150 filter	17mm	136 x 90mm / 5.35 x 3. 54"	886g / 31.01 oz. 1.9 lbs.
35mm	3.5–22	AF	9 elements, 5 groups	N/A	35 cm / 1.15 ft	77mm	22mm	62mm x 84mm 2.4” x 3.3”	480g
45mm	2.8–22	AF	9 elements, 7 groups	N/A	45 cm / 1.4 ft.	67mm	29mm	49.5 x 77mm / 1.9 x 3"	492 g. / 17.35 oz. / 1.1 lbs.
80mm	2.8.5–22	AF	6 elements, 5 groups	N/A	70 cm / 2.3 ft.	67mm	50mm	51.5 x 80.5mm / 2 x 3.2"	330 g. / 0.7 lbs / 11.6 oz.
120mm	4–22	MF Macro	9 elements, 8 groups	N/A	40 cm / 1.3 ft.	67mm	73mm	111 x 83mm / 4.4 x 3.25"	835 g. / 1.8 lbs / 29.2 oz.
120mm	4–22	AF Macro	9 elements, 8 groups	N/A	0.37 m / 1.21 ft	72mm	73mm	107 x 91 mm / 4.2 x 3.6 "	960 g / 2.12 lbs. /33.86 oz.
120mm	5.6-22	TS	6 elements, 4 groups	N/A	0.84m	104mm	72mm	135 x 106 mm
150mm	2.8–22	AF IF	8 elements, 7 groups	N/A	100 cm / 3.3 ft.	72mm	93mm	120 x 85mm / 4.7 x 33"	780 g. / 1.7 lbs / 27.03 oz.
75-150mm	4.5-32	AF Zoom	11 elements, 10 groups	N/A	1.00m / 3.3 ft.	77mm	47mm-93mm	145 x 86mm 7 5.7 x 3.4"	1114 g. / 2.5 lbs / 38.99 oz.

[Schneider Kreuznach]

Focal length	Maximum Aperture range	Designator	Optical Construction	Shutter speed	Minimum focusing distance	Filter thread	Equivalent 35mm Focal Length	Dimension	Weight
28mm	4.5–32	LS Aspherical	14 elements, 10 groups	1/1600	35 cm /1.15 ft	Rear sheet filter / Optional LEE SW150 filter	17mm	90 x 136mm / 3.5 x 5.5”	1100g /2.43bs / 38.80 oz.
55mm	2.8–32	LS	7 elements, 6 groups	1/1600	45 cm / 1.47 ft.	72mm	34mm	77.6 x 86.5mm / 3 x 3.4	660 g / 1.3 lbs. / 21.15 oz.
80mm	2.8–22	LS	6 elements, 5 groups	1/1600	70 cm / 2.3 ft.	72mm	50mm	64.4 x 86.5 / 2.5 x 3.4"	500g / 1.1 lbs. / 17.6 oz.
110mm	2.8–22	LS	6 elements, 5 groups	1/1600	90 cm / 2.9 ft.	72mm	68mm	83.3 x 86.5mm / 3.2 x 3.4"	700g / 1.5 lbs. / 24.69 oz
150mm	3.5–32	LS	5 elements, 5 groups	1/1600	150 cm / 4.92 ft.	72mm	96mm	87.1 x 86.5mm / 3.4 x 3.4"	652g / 1.43 lbs. / 22.99 oz.
240mm	4.5–22	LS IF	8 elements, 8 groups	1/1000	170 cm /5.58 ft	86mm	149mm	169 x 104.5mm / 6.7 x 4.1”	1600g /3.53bs / 56.44 oz.
40-80mm	4–32 / 5.6–45	LS	15 elements, 11 groups	1/1600	0.60m / 1.97 ft.	105mm	25mm-50mm	5.90 x 4.40 " / 150 x 111 mm	4.1 lbs. / 1860 g / 65.60 oz.
75-150mm	4–22 / 5.6-45	LS	11 elements, 10 groups	1/1600	1.00m / 3.28 ft.	95mm	47mm-93mm	172 x 105.5mm / 6.8 x 4.2”	1800g / 3.96 lb / 63.49 oz.

Focal length	Maximum Aperture range	Designator	Optical Construction	Shutter speed	Minimum focusing distance	Filter thread	Equivalent 35mm Focal Length	Dimension	Weight
35mm	3.5–32	LS Blue Ring	11 elements, 8 groups	1/1600	0.5m / 1.64 ft	105mm	22mm	111mm x 119mm, 4.4" x 4.7"	1370g
45mm	3.5–32	LS Blue Ring	10 elements, 7 groups	1/1600	55 cm / 1.80 ft	95mm	28mm	101 x 122.9mm /4.0 x 4.8”
55mm	2.8–32	LS Blue Ring	7 elements, 6 groups	1/1600	45 cm / 1.47 ft.	72mm	34mm	77.6 x 86.5mm / 3 x 3.4	660 g / 1.3 lbs. / 21.15 oz.
80mm	2.8–22	LS Blue Ring	6 elements, 5 groups	1/1600	70 cm / 2.3 ft.	72mm	50mm	64.4 x 86.5 / 2.5 x 3.4"	500g / 1.1 lbs. / 17.6 oz.
80mm Mark II	2.8–32	LS Blue Ring	8 elements, 6 groups	1/1600	70 cm / 2.3 ft.	72mm	50mm	85.4 x 87.2 / 3.4 x 3.4"	765g / 1.69 lbs.
110mm	2.8–22	LS Blue Ring	6 elements, 5 groups	1/1600	90 cm / 2.9 ft.	72mm	68mm	83.3 x 86.5mm / 3.2 x 3.4"	700g / 1.5 lbs. / 24.69 oz
120mm	4–22	LS Macro Blue Ring	9 elements, 8 groups	1/1600	40 cm / 1.3 ft.	86mm	73mm	111 x 83mm / 4.4 x 3.25"	835 g. / 1.8 lbs / 29.2 oz.
150mm	3.5–32	LS Blue Ring	5 elements, 5 groups	1/1600	150 cm / 4.92 ft.	72mm	96mm	87.1 x 86.5mm / 3.4 x 3.4"	652g / 1.43 lbs. / 22.99 oz.
150mm	2.8–22	LS IF Blue Ring	8 elements, 7 groups	1/1600	1.0m / 3.28 ft	95mm	96mm	115 x 141.6mm /4.5 x 5.6”	1.658g / 3.65 lb
240mm	4.5–22	LS IF Blue Ring	8 elements, 8 groups	1/1000	170 cm /5.58 ft	86mm	149mm	169 x 104.5mm / 6.7 x 4.1”	1600g /3.53bs / 56.44 oz.
40-80mm	4–32 / 5.6–45	LS Blue Ring	15 elements, 11 groups	1/1600	0.60m / 1.97 ft.	105mm	25mm-50mm	5.90 x 4.40 " / 150 x 111 mm	4.1 lbs. / 1860 g / 65.60 oz.
75-150mm	4–22 / 5.6-45	LS Blue Ring	11 elements, 10 groups	1/1600	1.00m / 3.28 ft.	95mm	47mm-93mm	172 x 105.5mm / 6.8 x 4.2”	1800g / 3.96 lb / 63.49 oz.