Leaf Aptus 75

Leaf Digital Backs specifications including Leaf Aptus, Leaf Aptus II, Leaf Credo, Leaf Valeo and all digital backs specifications:

Camera Mounts

Leaf Digital backs have specific mount fitting one of following camera systems:

It is not easily possible to convert the mount of a digital back for a different medium format body via adapter because different camera system has different interfaces. Such a conversion may be possible by sending the back to Leaf to be physically reconfigured, depending on the specific model. Where Phase one is just replacing back with same model but for a different camera.

All Leaf digital backs can be used on all view cameras by using the correct adapter plate, for example: Sinar, Linhof, Toyo, Alpha, Arca, Cambo and different others via Leaf Graflok or third party adapters. This is possible because view cameras have an adjustable focal plane.
The AFI backs (Now discontinued) were specifically designed to work with Sinar/Rollei systems only.

Copyright: Teo Totev 

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Leaf Credo are Leaf latest generation of digital camera backs and are also first new backs after Phase One purchased Leaf and which are not based on previous models. Still advertised as Mamiya Leaf Credo instead to be under Phase One name. Biggest changes are that the backs doesn’t use active cooling /fan/ but used passive cooling /Peltier element/. Leaf Credo digital backs also have better high-resolution iPhone-like touch screen which doesn’t support stylus usage. Backs start using Phase One OS which allows the much faster boot up which take less than one second, where previously it took up to 10 seconds on Aptus units which were based on Windows CE operating system.
Leaf Credo 40 and Leaf Credo 80 are most popular models on the market.

Slow boot time is one of biggest frustrations for Leaf digital backs owners.

The differences between Credo and Aptus II:

• Interface: Leaf Credo Digital backs support tethered connection both via USB 3.0 and Firmware 800 interfaces. 10-meter firmware cables can be used and 3 meters USB 3.0 Cables. For USB cables with repeaters, it can be used 7.5 and 10-meter cables. Leaf Aptus-II digital backs don’t have USB ports and need special L-shaped firmware cables.
• The battery of Leaf Credo Backs is an internal one, and they can be powered on only with fully charged battery. When used in tethered mode battery is charged with use of powered FW cables, but not when the USB cable is used. Leaf Aptus II digital backs use like previous models external battery which slide into a slot in the lower part of the back which allow the use of a double capacity battery, but remove the possibility of battery use during tethering. Therefore, Leaf Aptus II digital backs can be tethered only via powered FW cables.
• Leaf Credo digital backs have the newer generation, smaller but higher resolution LCD screens which have capacity touchscreens. Leaf Aptus II digital backs are using the older bigger generation of screens with resistive touch screen /like older PDAs/.
• Connection protocols: Leaf Credo digital backs benefits for much faster and stable connection when tethering compared to previous generation Aptus Backs.
• Colors: Leaf Credo colors are more accurate and less punchy and unique than Aptus colors.
• Sensitivity – Credo is 1/3 stop more sensitive to light than Aptus, using the same ISO settings.
• Body compatibility: Leaf Aptus can work on all 645 Mamiya models from AFD and upwards. Credo requires Phase 645 DF body and upwards, and can work with 645AFD III only when version 1 of the firmware is installed on it. Interfacing to non-Mamiya 645 bodies, such an RZ67, HY6, Hasselblad H and Hasselblad V series, Contax, tech cameras is unchanged from Aptus.
• Long exposures: Credo can do much longer exposures than Aptus backs with less visible noise.
• Noise: Credo has slightly less noise in high ISO than Aptus in normal length exposures.
• File format: Leaf Credo produces IIQ files same as Phase One backs. There are two types of files: large and small. Large has no compression and small has some compression and about half the size. The “Large” files can be opened by Adobe Photoshop and Lightroom. IIQ files are not compatible with Leaf Capture.
• Live view: Credo has live view on the back’s screen – Aptus has live view only on a tethered computer. Since both live views are CCD based, they are significantly inferior to live views on current CMOS sensors.
• All ports in the Credo body are covered (“weather sealed”).
• Credo body is made of metal, Aptus has plastic/metal combination. Leaf Credo has passive cooling based on Peltier element while Aptus backs have active cooling with fan, which makes some noise and can make the back freeze in icy winds.
• Leaf Aptus has a detachable LCD protector cover which Leaf Credo does not have.
• Turning on/off: Tethered Aptus automatically turns on when the computer is turned on, and autocratically turns off when the computer is turned off. Leaf Credo must be turned on and off manually, and also turns off automatically after a period of idle time.

Leaf Current Models:

Copyright: Teo Totev  

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Leaf Aptus II models are similar previous Aptus models, with following differences:

• Live view is available when tethering with Phase One 645AF and 645DF bodies and Mamiya AFD III & DF without dongle.
• Live view is available via Capture One software with large format cameras for digital back starting with Aptus 22 and newer models, Live View dongle is no longer required.
• Following camera controls: aperture, shutter speed, and shutter release can be controlled on digital back on Phase One 645AF and 645DF bodies and Mamiya AFD III & DF
• Faster shooting speed, shot-to-shot, and faster transmission to tethered computer
• Firewire 800 connection instead of previous FW 400 connection
• Slightly different color response
•  

• The following table shows the models current Mamiya Leaf models.

	
Model
Released
Sensor Size
Resolution
Active Pixels
ISO range
Dynamic range (f-stops)
Seconds/Frame
Lens conversion factor
Display
Storage
Notes




	
Aptus-II 12R
2010
53.7x40.3mm
80 MP, 16-bit
10320 x 7752
80-800
12
1.5
1
3.5-inch touchscreen
Firewire, CF
Rotating sensor


	
Aptus-II 12
2010
53.7x40.3mm
80 MP, 16-bit
10320 x 7752
80-800
12
1.5
1
3.5-inch touchscreen
Firewire, CF



	
Aptus-II 8
2010
44x33 mm
40 MP, 16-bit
7360 x 5562
80-800
12
0.8
1.3
3.5-inch touchscreen
Firewire, CF



	
Aptus-II 7
2009
48x36 mm
33 MP, 16-bit
6726 x 5040
50-800
12
1.1
1.1
3.5-inch touchscreen
Firewire, CF



	
Aptus-II 5
2009
48x36 mm
22 MP, 16-bit
5356 x 4056
25-400
12
0.9
1.1
3.5-inch touchscreen
Firewire, CF

You can read history of Leaf company here: Leaf History

Details about Aptus Credo Digital backs: Leaf Credo Digital Backs

Details about Aptus II Digital backs: Aptus-II digital backs

Specifications of all Leaf Digital backs: Leaf Digital Backs Specs

Copyright: Teo Totev 

If you would like to find more and to see more of my photography work, please visit main part of my UK Photographer Website. For any queries please contact me. You can also find me on Facebook, Twitter or Instagram.

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Leaf History, Leaf Credo and Leaf Aptus

Mamiya Leaf is camera company which was previously a division of Scitex, then it became part of Kodak, and currently Mamiya Leaf is a subsidiary of Phase One. Leaf main business is manufacturing of  high-end digital backs for medium format and large format cameras. Leaf introduced the first medium format digital camera back Leaf DCB1 in 1991, nicknamed by many photographers as  ‘The Brick’, which had a resolution of 4 Mpx. Currently /2015/ Leaf produces the Credo line of digital camera backs from 40 to 80 megapixels but as per 08.2015 they are not compatible with newest Phase One XF Camera. Until 2010, Leaf was also producing photography workflow software called Leaf Capture.

1. Products

1.1 Digital camera backs

After Leaf’s DCB, the digital backs evolved into two product lines, the Aptus and the (now discontinued) Valeo. What differentiates Valeo and Aptus models is that the Aptus models have a 3.5″ low-resolution touchscreen, where the Valeos have no display. Valeo digital backs can still be used untethered by using the DP-67 software or the more recent WiView software on a Compaq iPAQ Pocket PCs and Leaf Digital Magazine /specialized external disk/. Pocket PC are connected via Bluetooth with the digital backs. For untethered usage, you will need batteries for both the Aptus and the Valeo. There is also option that back can be powered via a Firewire connection to a computer. Aptus models have a Compact Flash slot.

1.1.1 Current models

Information and Specifications on Leaf Credo Digital Camera Backs in the following page: Leaf Credo Digital Backs

1.1.2 Leaf Aptus II

Information and Specifications on Leaf Aptus II Digital Camera Backs in the following page: Leaf Aptus II Digital Backs

Camera Mounts

The Leaf Aptus and Leaf Aptus-II models are equipped with a specific mount to fit one of the following camera systems:

Accessories

Leaf Digital Magazine

The Leaf Digital Magazine called also LDM is small portable hard drive powered by Firewire that enables a Leaf digital backs lacking a Compact Flash slot to be used untethered. There are three models, the 5GB, 10 GB and 20 GB. It can be mounted in the U-bracket, which can also contain two batteries. This U-bracket is usually mounted underneath the camera. It is connected with firewire cable the Leaf digital backs.

Software

Capture One / Capture One Pro

Capture One is a Raw image format converter  and tethering software. It is a workflow software which allow photographers to deliver straight from the camera images which are ready-to-use and have adjusted colors and detail. It is designed to produce very high image quality output and provides different tools created to match the daily flow of professional photographer’s. From 2010 Capture One software have replaced Leaf Capture as tethering and processing software for all Leaf Aptus digital backs.

Leaf Capture

Leaf Capture was image capture workflow software available for Window OS and Apple OS X. It is no longer developed and was replaced by Capture One for all Aptus digital backs.

• Image comparison
• Camera control
• Loupe tool, focus preview
• Real-time live view display
• Grid and layout overlay
• Color temperature and tint sliders
• Adjustable histogram
• Moiré removal tool

From v11.2.9 on only supports Aptus models

Leaf Capture Remote App / Server

Used together, allows browsing of your “Shots” folder on wireless devices (iPad, iPod Touch and iPhone). The app works via the device’s wireless local area network connection with Leaf Capture Server running on a host computer

Leaf WiView

Leaf WiView application is an update of the DP-67 software. It allows you to have wireless control (via Bluetooth) over your Leaf digital back to view and edit images on an HP iPAQ Pocket PC as you shoot. For working with Leaf WiView, you must install the corresponding application on the iPAQ Pocket PC.

• Following iPAQ models are supported: hx2100, hx2400, hx2700, hx4700, rx5900, 110, 210. It is important that the pocket PC to have  240×320 or 480×640 screen resolution. Models with different resolution will have a portion of the screen which will be digitally masked off.
• Supported Leaf Digital backs are Leaf Valeo 17wi, Valeo 22wi

Leaf DP-67

The Leaf DP-67 was an application for HP iPAQ pocket PCs which allows Bluetooth remote communication with the Leaf Valeo digital backs. It was possible to do full control and settings of a digital back from DP-67 (iPAQ) display and store images on Leaf Digital Magazine.

Official Website

You can read history of Leaf company here: Leaf History

Details about Aptus Credo Digital backs : Leaf Credo Digital Backs

Details about Aptus II Digital backs : Aptus II digital backs

Specifications of all Leaf Digital backs : Leaf Digital Backs Specs

Copyright: Teo Totev 

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