eMWL Focusing Unit III

on stock

€1,510.00*

1 in stock

Free shipping

Delivery time: 1-3 working days*

Product number: NA87203
Available stock: 1

This focusing unit is part of Nauticam's eMWL system

This unit is used by the macro lens to capture the virtual image of the lens and relay unit accurately and sharply. It cannot be used alone

The focus unit is attached to a suitable housing port with a bayonet connector (alternatively with the M67 to bayonet adapter II NA83250). The relay or lens unit is also attached with a bayonet connection.

Body Material: aluminum
Lens manufacturer: Sony
Lens type: Kit Lens, Macro, Wide angle
Pane material: Optical glass
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Technical data

compatible with



  • Sony SEL90M28G FE 90mm F2.8 Macro G OSS

  • Canon RF 100mm f/2.8L Macro IS USM

  • Panasonic LEICA DG MACRO-ELMARIT 45mm F2.8 ASPH.

  • Nikon AF-S Micro NIKKOR 60mm f-2.8G ED with HOYA +2 Diopter (DX-Sensor only)

Scope of delivery

eMWL Focus Unit III by Nauticam

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compatible with

eMWL Lens attachment (130°)
This is the widest of the three objective lenses in Nauticam's eMWL system, designed with 9 elements in 7 groups. It's perfect for larger macro subjects or any image where you want to see more of the background. The image quality is on par with the best wide-angle lenses, so you can also use it for traditional wide-angle shots.  This lens attachment gives you a 130° field of view, is edge-to-edge sharp and minimises distortion. 

€1,773.00*
EMWL Objective Lens (60°)
Replaceable objective lens attachment for your eMWL system

€1,740.00*
Flip Holder for EMWL Lens
Safely use both Nauticam's eMWL and another attachment lens with M67 screw thread during the dive. This practical swivel mount attaches to M67 screw threads of underwater housings or ports.

€520.00*
eMWL Objective Lens (100°)
Interchangeable lens attachment for your eMWL system

€1,510.00*
eMWL Lens attachment (160°)
This is the widest of the three objective lenses in Nauticam's eMWL system, designed with 9 elements in 7 groups. It's perfect for larger macro subjects or any image where you want to see more of the background. The image quality is on par with the best wide-angle lenses, so you can also use it for traditional wide-angle shots.  This lens attachment gives you a 160° field of view, is edge-to-edge sharp and minimises distortion. 

€2,872.00*
eMWL 45° Relay Lens
Extend or shorten your eMWL system exactly as you want it according to shooting conditions or imaging preferences. The relay single-seam has been designed to the highest standard with 14 glass elements in 10 groups. The EMWL objective lenses create an inverted image so that it appears upside down. The relay unit corrects the inverted image and returns the image to the focusing unit and sensor. It is 150 mm long and only 62 mm wide at its widest point. This allows the front of the EMWL to be placed extremely close to your subject while keeping the bulk of the camera system and the photographer at a greater distance.  The specialized 'EMWL Angled Relay Lens' is part of the EMWL system that sits between the focus unit and the objective lenses. This replaces the standard relay lens and allows for using objective lenses at an angle which can help with subjects that may be difficult to reach circumstances or for creating unique perspectives.

€3,856.00*
on stock
M67 to Bayonet Mount Converter II
This Bayonet Mount Converter II is designed for M67 threaded ports to use with Water Contact Optics. This works with 1st generation bayonet mount optics as well as the new 2nd generation (WWL-C).

€100.00*
EMWL Water Jacket Set
In turbid waters, this set prevents interfering particles from entering between the individual optical units of the Nautciam eMWL.

€655.00*

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EMWL Set #3 for Sony 90
Footage by Uli Kunz with Sony A7SIII and SEL90M28G in Nauticam-Housing with eMWL  The eMWL as a modular system The eMWL was developed as a modular design with three individual parts: the focusing unit, the relay module and the lens. Nauticam has developed components optimized to work with different camera manufacturers and their macro lenses, as well as a selection for three unique perspectives. Let's take a look at each part and dive a little deeper into the eMWL. The complete eMWL system Objective lenses, 60°, 100°, 130° - Relay unit - Focusing unit eMWL-Focusing unit Three focusing units have been developed to ensure the best results on a range of cameras, and each unit is optically matched to the recommended prime lenses. The eMWL is very sharp and has very good contrast, and the autofocus works very well.  This is a significant advantage over other relay lenses available. You also have the option to add a manual focus gear. You can also use lens adapters like the Nikon FTZ, EF to EOS R or the Sigma MC-21. The focusing unit is the part closest to your port, it is designed with 6 glass elements in 3 groups and is connected via the bayonet lock system.  Focusing unit (NA87203) for Sony Compatible lens: Sony SEL90M28G FE 90mm F2,8 Makro G OSS  eMWL-Relay unit The next element to be attached to the front of the focusing unit is the relay lens. It was designed to the highest standard with 14 glass elements in 10 groups. The eMWL objective lenses create an inverted image so that it appears upside down. The relay lens corrects the inverted image and returns the image to the focusing unit and sensor. It is 150 mm long and only 62 mm wide at its widest point. This allows the front of the eMWL to be placed extremely close to your subject while keeping the bulk of the camera system and the photographer at a greater distance. It also opens up creative possibilities for videographers to capture motion shots in tight spaces. Imagine poking through sea grass to expose a young batfish, or pulling back from a small subject to show the nook where it lives. All three focusing units use the same relay lens. It is possible to use the eMWL without the relay lens if you do not need the extended working distance. But then a camera or monitor that can correct the inverted image in the electronic viewfinder or screen is advantageous. eMWL-Objective Lenses The final piece that attaches to the front of the Relay Lens is the Objective Lens. There are three different versions with varying degrees of angle-of-view. You would choose one based on the look, subject or type of image you would like to produce. These, like the other two parts, can all be put together and disassembled underwater. You could keep all three objective lenses with you and swap out when needed. You can shoot these just like you would any other lens, but the real magic happens when you get up close to your subject. The 130° and 100° objective lenses will focus as close as the front element and the 60° objective lens can focus as close as 15mm. You could fill up most of the frame with a nudibranch and still have room for a diver in the background! The EMWL is a great tool to boost your creativity. 130° Objektive Lens (NA87223) This is the widest of the three Objective Lenses, designed with 9 elements in 7 groups. It is perfect for larger macro subjects or any image where you want to see more of the background. The image quality rivals the best wide angle lenses so feel free to shoot it for traditional wide angle shots as well.  100°-Objective Lens (NA87222) This is an extremely versatile angle of view. It is the smallest and sleekest in physical size making it a good choice for timid subjects and tight spaces. It is designed with 9 elements in 6 groups. An angle of view of 100° is still a lot of background space for small macro subjects or to shoot wide angle with. A 16mm lens on FF is 107° for comparison.  60°-Objective Lens (NA87221)  For a narrower angle-of-view or if you would like the background elements to look more compressed, than the 60° objective lens is the perfect choice. It is designed with 9 elements in 6 groups. There are three focusing ranges that can be set on the lens, 8-55mm, 55-25mm and 25-15mm. I would suggest setting it to the 8-55mm setting and adjust to one of the closer settings when working extremely close to a subject. The closer setting work similar to an extension tube by moving the lens further away from the sensor. Bayonet mount The EMWL uses the Nauticam Bayonet Mounting System. You can easily attach or remove the EMWL to shoot with just the macro lens or add other accessories. You will need to add the appropriate Bayonet Mount Converter to the front of your port. If you wish to use a Super Macro (SMC-1 or SMC-2) or Compact Macro Converter (CMC-1 or CMC-2), they can be attached with an optional Bayonet Mount Adapter. M67 Bayonet Mount Converter II for Nauticam 67mm threaded ports (NA83250)  M77 Bayonet Mount Converter II for Nauticam 77mm threaded ports (NA83251)  Bayonet Mount Adapter for SMC and CMCC (NA83214)

€8,205.00*
eMWL Focus Unit II for Canon 100 and APS-C 60
This focus unit is part of Nauticam's eMWL. This unit is used for the macro lens to capture the virtual image of the lens and relay unit accurately and sharply. It cannot be used alone. The focus unit is attached to a suitable housing port with a bayonet connection (alternatively with the M67 to bayonet adapter II NA83250). The relay or lens unit is also attached with a bayonet connection.

€1,510.00*
eMWL Focus Unit I for Nikon 105 and MFT 60
This focus unit is part of Nauticam's eMWL. This unit is used for the macro lens to capture the virtual image of the lens and relay unit accurately and sharply. It cannot be used alone. The focus unit is attached to a suitable housing port with a bayonet connection (alternatively with the M67 to bayonet adapter II NA83250). The relay or lens unit is also attached with a bayonet connection.  

€1,510.00*