Leica Digilux 1

Last updated
Leica Digilux 1
Overview
Type Advanced P&S
Lens
Lens Fixed, 7–21 mm f/2.0–2.8
Sensor/medium
Sensor CCD, CMYG filter array
Maximum resolution 2,240 × 1,680 (4 million)
Storage media Secure Digital Card, up to 1 GB
Viewfinder
Viewfinder Optical
Chronology
Successor Digilux 2 / DMC-LC1

The Leica Digilux 1 is a digital camera developed in partnership with Panasonic, which was released in 2002, roughly the same time as the Canon PowerShot G2 and the Nikon 2000. It is the second of Leica's digital offerings. Where the original Digilux was developed in partnership with Fuji Camera, the Digilux 1 was developed jointly with Panasonic; Leica is responsible for optics, while Panasonic designs the camera electronics. According to Leica, this allows both companies to design cameras that creates a harmonious matching of lens to sensor to produce color and contrast to Leica standards.

Contents

Design

Billed as "the digital reportage camera", the Leica Digilux 1 shares much of its design with the Panasonic-badged equivalent DMC-LC5. At the time, the Digilux 1 boasted the lowest shutter lag in comparison to other cameras in its class, in combination with its fast lens, made the camera suitable for photo reportage / photojournalistic applications.

The Digilux 1 has a retro, boxy style that harkens back to the designs of Leica rangefinders; in appearance and in size, it is very similar to the Leica CM Zoom. The LC5 is housed in a more modern casing, but retains identical controls. [1]

Some believe the Digilux 1 performs less post-processing on the image, resulting in colors and contrast that are more in line with the color and contrast expected from a Leica camera. The Panasonic DMC-LC5 performs post-processing that increases contrast and saturation to create photos that are acceptable to the consumer market. [1]

Sensor

The Digilux 1 and Panasonic DMC-LC5 both use a CCD sensor fitted with a complementary CYGM color filter array, rather than the GRGB Bayer filter fitted to most other digital camera sensors. The CYGM filter had two benefits:

  1. It captures about 2/3 of the visible spectrum versus GRGB which captures only 1/3 of the visible spectrum, so that the colors, especially reds and blues are more saturated. This is a benefit for landscapes especially.
  2. The CYGM filter allows the passage of twice the photons, so that the camera is inherently twice as sensitive to light at the base ISO of 100, which means that exposure times are half that of a comparable camera with GRGB filter array.

However, the CYGM filter has less color accuracy.

Lens

The camera has a 3× optical zoom lens branded Leica Vario-Summicron , with a focal length of 7~21 mm (equivalent to 34~102 mm focal length for a 135 film camera) and a variable maximum aperture ranging from f/2.0~2.5.

Compared with a typical compact cameras that has a maximum aperture ranging from f/3.5–5.6, the Digilux 1 is up to three f stops faster at telephoto: two f stops due to f2.8 vs f5.6 and one f stop due to the 2× photonic sensitivity afforded by the CYGM filter array. To match exposure time under this focal length at max available aperture requires the second camera to be set to ISO 800 while the Digilux 1 is at ISO 100 [tested cameras side by side.]

This lens has been fitted to numerous cameras using a 1/1.8" CCD sensor starting from 2000, including:

  • Canon PowerShot G1 [2]
  • Canon PowerShot G2 [3]
  • Casio QV-3000EX (as a Canon lens) [4]
  • Casio QV-3500EX
  • Casio QV-4000 [5]
  • Casio QV-5700
  • Epson PhotoPC 3000Z [6]
  • Epson PhotoPC 3100Z [7]
  • Panasonic Lumix DMC-LC40 [8]
  • Sharp VE-CG30 (as a Canon lens)
  • Sharp VE-CG40
  • Sony Cyber-Shot DSC-S70 (as a Carl Zeiss-branded Vario-Sonnar) [9]
  • Sony Cyber-Shot DSC-S75
  • Sony Cyber-Shot DSC-S85
  • Sony CD Mavica MVC-CD300 [10]
  • Sony CD Mavica MVC-CD400
  • Sony CD Mavica MVC-CD500
  • Toshiba PDR-M70
  • Toshiba PDR-M81

Operation

Batteries are readily available.

Post-processing

Digilux 1 images undergo less post-capture noise reduction compared to modern cameras, so it is always necessary to use a noise suppression filter in post processing when shooting above the base ISO of 100. If this is done, then ISO 400 images can be quite acceptable. At ISO 400 and f/2.0, the exposure times will be the same as a compact camera with an f/3.5 lens at ISO 2400, and the noise levels on the Digilux 1 will be much less after post-processing.

If you run across contemporary reviews of the camera from 2002, there is often a criticism of the noise levels and "smearing" or "watercolor" appearance. But with modern software, these issues are no longer problems. There are thousands of images on the WEB that attest to the quality of this camera (see also DMC-LC5 pictures.)

Exposure

On sunny days the light can be too bright for the camera, which has a minimum aperture of f/8 and a minimum exposure time of 1⁄1000 second. It may be necessary to add a polarizing filter or a neutral density filter of three f stops equivalent density, which requires an adapter which extends the lens housing beyond the most extreme travel of the zoom lens. This adapter is available as part of a wide angle conversion lens kit which, while sold mainly for the Panasonic DMC-LC5, also fits the Digilux 1. The wide-angle lens converter makes a 28 mm equivalent focal length, and with the Leica 28mm optical finder which fits the flash bracket, it makes a good quality wide-angle camera.

Manual controls

Full manual exposure is possible using the jog buttons. The display mimics the exposure changes rather than brightening up as the scene moves into darker areas, so that it is possible to see what the manual adjustments are doing to the image. The only problem is that for exposure time settings longer than 1⁄8 sec, the display won't match the actual exposed image.

The Digilux 1 and DMC-LC5 can be set for macro focus, and also manual focus, using the coaxial fly by wire ring control around the lens. [11]

Storage

The camera stores images on SD cards up to 2GB; larger cards may not be recognized.

One of the biggest advantages is that the camera will shoot single frame TIFF files - each about 12 MB in size, and taking about 5 seconds to write to a fast SD card. These uncompressed files have none of the compression artifacts typical of JPEG files.

For rapid sequence shots the JPEG mode must be used. As also for auto exposure bracketing. [12]

Flash

The built in flash is adjustable ±2 EV, which is good for fill in flash.

See also

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References

  1. 1 2 Weitz, Allan (May 11, 2018). "Classic Camera Review: Leica Digilux 1". B&H Photo-Video. Retrieved 11 April 2023.
  2. ↑ "PowerShot G1". Canon Camera Museum. Retrieved 11 April 2023.
  3. ↑ "PowerShot G2". Canon Camera Museum. Retrieved 11 April 2023.
  4. ↑ Askey, Phil (April 11, 2000). "Casio QV-3000EX Review: Specifications". DPReview. Retrieved 11 April 2023.
  5. ↑ Askey, Phil (November 20, 2001). "Casio QV-4000 Review". DPReview. Retrieved 11 February 2023. Nothing new here, the same 3x optical zoom F2.0 - F2.5 Canon Lens we saw on the QV-3000, QV-3500 and a multitude of other digital cameras from other manufacturers. It's of course also the same lens used on Canon's own PowerShot G1 and G2.
  6. ↑ Askey, Phil (August 4, 2000). "Epson PhotoPC 3000Z Review". DPReview. Retrieved 11 April 2023. After receiving the 3000Z I put it on my desk next to a Sony DSC-S70.. That's when it struck me, it's the same lens. No, really, bear with me. They're both 7 - 21 mm (F2.0 - F2.5) lenses, size, extension speed/mechanism and internals appear identical.. Which is kind of confusing because Sony put a Carl Zeiss badge on theirs, yet Epson simply say "Epson Digital Camera Lens". Interesting, yes?
  7. ↑ "Epson PhotoPC 3100Z: Optics". Imaging Resource. July 10, 2001. Retrieved 11 April 2023.
  8. ↑ "Panasonic announces an exciting new development in digital cameras" (Press release). Panasonic. January 7, 2002. Retrieved 11 April 2023. For models DMC-LC40 and DMC-L5, Panasonic chose a complementary color filter to harmonize with the LEICA DC VARIO-SUMMICRON lens's F2.0 brightness and the rich gradation produced by these models' 4.0 Mega-pixel CCDs.
  9. ↑ Witheiler, Matthew (October 18, 2000). "Sony DSC-S70 Digital Camera". AnandTech. Retrieved 11 April 2023.
  10. ↑ Askey, Phil (August 4, 2000). "Sony MVC-CD300 Review". DPReview. Retrieved 11 April 2023. The CD300's lens is the same found on the DSC-S70, DSC-S75 and several other 3 megapixel digital cameras. It's a 3x optical zoom (34 - 102 mm equiv.) F2.0 - F2.5 lens, which means it's relatively bright and so should still perform well in low light.
  11. ↑ Overgaard, Thorsten (April 2002). "The Leica Digilux 1 Review" . Retrieved 11 April 2023.
  12. ↑ Digilux 1 user manual
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