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Phase One IQ4 digital back

medium format 151MP @ 14204x10652

See also: Phase One, Phase One digital backs
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Newest blog posts

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2023-01-31 Sony 16-shot Pixel Shift Works in the Field, Trounces the Fujifilm GFX100S, Might Match the PhaseOne IQ4 150

2022-05-30 Alpa 12 PANO Rosewood for Panoramic images with PhaseOne IQ4 150 and Similar Digital Backs + Reader Comments

2022-02-12 Schneider Kreuznach LS 35mm f/3.5 Aperture Series: Alabama Hills Moonset over Mt Whitney (PhaseOne IQ4 150)

2022-02-10 Schneider Kreuznach LS 150mm f/2.8 IF Aperture Series: Clearing Snowstorm, Lundy Canyon View to Mono Lake (PhaseOne IQ4 150)

2022-02-08 Phase One IQ4 Image Quality: Color Bleed in Adobe Camera Raw vs Phase One Capture One Pro

2022-02-07 Schneider Kreuznach LS 35mm f/3.5 Examples: Moonset over Mt Whitney, Pre-Sunrise (PhaseOne IQ4 150)

2022-02-06 Phase One IQ4 + Schneider Kreuznach LS 80mm f/2.8 Aperture Series: Bare Tree Among Jumbled Canyon Boulders

2022-02-04 Phase One IQ4: Stitching For Broader Field of View, Higher Resolution + Reader Comment

2020-03-05 Phase One IQ4: a Few More Examples

2020-03-01 Phase One IQ4 with Schneider Kreuznach LS 150mm f/2.8 IF: a Few Examples

Most recent pages at other diglloyd sites:

See also 7 pages at macperformanceguide.com

2023-02-16 2022 MacBook Pro M2 Max: Convert RAW Files to JPEG With Adobe Camera Raw (PhaseOne IQ4)

2022-06-22 2022 Mac Studio M1 Ultra: Convert RAW Files to JPEG With Adobe Camera Raw (PhaseOne IQ4)

2022-06-19 TESTED: Apple Mac Studio M1 Ultra: RAW File Conversion, PhaseOne IQ4

2022-01-26 2021 MacBook Pro M1 Max: Convert RAW Files to JPEG With Adobe Camera Raw (PhaseOne IQ4)

2022-01-10 2020 iMac 5K: Convert RAW Files to JPEG With Adobe Camera Raw (PhaseOne IQ4)

2020-01-05 Phase One Capture One 20: Export to JPEG (Phase One IQ4)

2019-12-22 Capture One 20: Export to JPEG (Phase One IQ4)

Medium Format Magazine

Articles written for MediumFormat.com..

1. Phase One IQ4 Medium Format: the Summit of Image Quality (March 2020)

Phase One XF and XT Full-Frame Medium Format

Phase One XF System, Phase One IQ4, Schneider Kreuznach Lenses.

1. PhaseOne IQ4 Format Equivalent Focal Length, F-Stop, Depth of Field
2. Phase One IQ4 Image Quality: Extreme Dynamic Range in the Field (Lundy Lake)
3. Phase One IQ4 Image Quality: Color Bleed (Alabama Hills Sunrise)
4. Phase One IQ4: Focus Stacking Commentary
5. Phase One IQ4: Stitching For Broader Field of View, Higher Resolution
6. PhaseOne IQ4: Design Issues
7. PhaseOne IQ4: File Corruption
8. Phase One IQ4 Medium Format: the Summit of Image Quality (March 2020)

Schneider Kreuznach LS 35mm f/3.5

Wide angle 24mm equivalent for Phase One XF system.

1. Aperture Series: Mosaic (IQ4 150)
2. Aperture Series: Alabama Hills Creekbed, Late Dusk (IQ4 150)
3. Aperture Series: Alabama Hills Moonset Over Mt Whitney (IQ4 150)
4. Examples: Death Valley Area (IQ4 150)
5. Examples: Eastern Sierra (IQ4 150)
6. Examples: Alabama Hills and Mt Whitney Area (IQ4 150)

Schneider Kreuznach LS 40-80mm f/4-5.6

Mid range zoom 27-54mm equivalent for Phase One XF system.

1. Aperture Series @ 40mm: Mosaic (IQ4 150)
2. Aperture Series @ 55mm: Mosaic (IQ4 150)
3. Aperture Series @ 80mm: Mosaic (IQ4 150)
4. Performance at 40mm for Landscape Imagery (Death Valley Area, Phase One IQ4)
5. Examples: EasternSierra (IQ4 150)

Schneider Kreuznach LS 80mm f/2.8

Compact normal 54mm equivalent for Phase One XF system.

1. Aperture Series: Mosaic (IQ4 150)
2. Examples: Death Valley / Eureka Dunes Area (IQ4 150)
3. Examples: Eastern Sierra (IQ4 150)
4. Aperture Series: View to White Mountains From Summit of Eureka Dunes (IQ4 150)
5. Aperture Series: Last Light on Cottonwood Tree, View to Mt Whitney (IQ4 150)
6. Aperture Series: Bare Tree Among Jumbled Canyon Boulders (IQ4 150)

Schneider Kreuznach LS 150mm f/2.8 IF

Medium telephoto 100mm equivalent for Phase One XF system.

1. Aperture Series: Mosaic (IQ4 150)
2. Aperture Series: MemChu (IQ4 150)
3. Examples: Alabama Hills, Mt Whitney, Silver Canyon (IQ4 150)
4. Aperture Series: Plant Life on Silver Canyon Hillside (IQ4 150)
5. Aperture Series: Cottonwood Tree Glowing in Winter Shade (IQ4 150)
6. Aperture Series: Clearing Snowstorm, Lundy Canyon View to Mono Lake (IQ4 150)

Schneider Kreuznach LS 240mm f/4.5 IF

Long telephoto 162mm equivalent for Phase One XF system.

1. Aperture Series: Mosaic (IQ4 150)
2. Examples: Death Valley Area (IQ4 150)
3. Examples: Alabama Hills and Mt Whitney Area (IQ4 150)

Blog posts, reverse chronological

2023

2023-01-31 Sony 16-shot Pixel Shift Works in the Field, Trounces the Fujifilm GFX100S, Might Match the PhaseOne IQ4 150

2022

2022-05-30 Alpa 12 PANO Rosewood for Panoramic images with PhaseOne IQ4 150 and Similar Digital Backs + Reader Comments

2022-02-12 Schneider Kreuznach LS 35mm f/3.5 Aperture Series: Alabama Hills Moonset over Mt Whitney (PhaseOne IQ4 150)

2022-02-10 Schneider Kreuznach LS 150mm f/2.8 IF Aperture Series: Clearing Snowstorm, Lundy Canyon View to Mono Lake (PhaseOne IQ4 150)

2022-02-08 Phase One IQ4 Image Quality: Color Bleed in Adobe Camera Raw vs Phase One Capture One Pro

2022-02-07 Schneider Kreuznach LS 35mm f/3.5 Examples: Moonset over Mt Whitney, Pre-Sunrise (PhaseOne IQ4 150)

2022-02-06 Phase One IQ4 + Schneider Kreuznach LS 80mm f/2.8 Aperture Series: Bare Tree Among Jumbled Canyon Boulders

2022-02-04 Phase One IQ4: Stitching For Broader Field of View, Higher Resolution + Reader Comment

2020

2020-03-05 Phase One IQ4: a Few More Examples

2020-03-01 Phase One IQ4 with Schneider Kreuznach LS 150mm f/2.8 IF: a Few Examples

2020-02-29 Phase One IQ4 with Schneider Kreuznach LS 150mm f/2.8 Aperture Series: Plant Life on Silver Canyon Hillside

2020-02-29 Phase One IQ4 with Schneider Kreuznach LS 150mm f/2.8 Aperture Series: Cottonwood Tree Glowing in Winter Shade

2020-02-26 Phase One IQ4 with Schneider Kreuznach LS 80mm f/2.8 Aperture Series: Last Light on Cottonwood Tree, View to Mt Whitney

2020-02-26 Phase One IQ4 + Schneider Kreuznach LS 35mm f/3.5 Examples: Alabama Hills

2020-02-26 Phase One IQ4 + Schneider Kreuznach LS 35mm f/3.5 Aperture Series: Alabama Hills Creekbed, Late Dusk

2019

2019-12-12 Schneider Kreuznach LS 240mm f/4.5 Example: Alpenglow On Mt Whitney (Phase One IQ4)

2019-12-11 Schneider Kreuznach LS 80mm f/2.8 Aperture Series: View to White Mountains from Summit of Eureka Dunes (Phase One IQ4)

2019-12-10 Reader Comment: Phase One IQ4

2019-12-09 Phase One IQ4 + Schneider Kreuznach LS 80mm f/2.8 Example: Last Change Wash (depth of field is nil on a 53.4 X 40 mm sensor!)

2019-12-07 Phase One IQ4 + Schneider Kreuznach LS 35mm f/3.5 Examples: Northern Death Valley Area

2019-12-06 Phase One IQ4 + Schneider Kreuznach LS 150mm f/2.8 Aperture Series: MemChu

2019-12-02 Phase One IQ4 + Schneider Kreuznach LS 150mm f/2.8 Aperture Series: MemChu

2019-12-01 Phase One IQ4 + Schneider Kreuznach LS Lenses: Initial Evaluations Done

2019-12-01 Phase One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 Aperture Series @ 80mm: Mosaic

2019-12-01 Phase One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 Aperture Series @ 55mm: Mosaic

2019-12-01 Phase One IQ4 + Schneider Kreuznach LS 40-80mm f/4-5.6 Aperture Series @ 40mm: Mosaic

2019-11-30 Phase One IQ4 + Schneider Kreuznach LS 80mm f/2.8 Aperture Series: Mosaic

2019-11-30 Phase One IQ4 + Schneider Kreuznach LS 35mm f/3.5 Aperture Series: Mosaic

2019-11-30 Phase One IQ4 + Schneider Kreuznach LS 240mm f/4.5 IF Aperture Series: Mosaic

2019-11-29 Phase One IQ4 + Schneider Kreuznach LS 150mm f/2.8 Aperture Series: Mosaic

2019-11-22 On the Way for Testing: Phase One IQ4 150-Megapixel Medium Format System

2019-04-15 Reader Comment: Panasonic S1R Multi-Shot High-Res Mode vs PhaseONE IQ4 150MP