Compatible Lenses

The Mercury can theoretically adapt most medium and large format lenses.  The following have official Mercury solutions:

 

Medium and Large Format View Lenses

These lenses are ideal for Mercury use, as they already contain built in shutters and tend to be light and compact.  These are our recommended lenses for the Mercury!  Our downloadable spreadsheet below details all of the lenses we’ve fully tested to the Mercury.  Most other lenses that are similar to these will easily work as well(right click, “Save Link As”).

 

Mercury View Lens Database (OpenDocument) (recommended for best navigation)

(Excel Version)

(PDF Version)

 

Medium Format System Lenses

Mercury can now accept the following medium format system lenses:

  • Mamiya 645
  • Pentax 645
  • Hasselblad V
  • Pentacon 6
  • Pentax 67

 

Each of these kits includes a dedicated Mercury lens mount adapter that threads into the front of a large format shutter.  It also includes a special lens board that accepts that shutter and correctly spaces that lens format, rendering its built-in focus scale accurate.  Each kit also includes a shutter spacer that offsets the shutter slightly from the lens board, and a set of screws to mount the kit to any Mercury front panel.

While prototypes over the past two years were only available for the Ilex 4 shutter, some lens systems can now utilize Copal 3 and Copal 3S shutters, greatly expanding the available options.  The following table sums up the possible combinations:

Lens System

Shutter

Front Spacer

Mamiya 645

Ilex 4

None

Pentax 645

Ilex 4

None

Copal 3

None

Copal 3S

None

Hasselblad V

Ilex 4

10

Copal 3

None

Copal 3S

None

Pentacon 6

Ilex 4

none

Copal 3

None

Pentax 67

Ilex 4

10

Copal 3

None

Copal 3S

10

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Configs that require a front spacer have additional flexibility, as that spacer can be removed for rear shifted backs and back adapters (up to RS-10; further than this requires the Mercury S Front Panel, which achieves another 10).

Hybrid Lens Systems

Some lens systems are strange hybrids between view lenses and system lenses: they contain some attributes of each.  Mercury can accept the following hybrid lenses:

Mamiya Press

Mamiya Press lenses are view lenses mounted to a special round lens board with built-in helical.  While Mamiya Press lenses can be remounted onto Mercury shutter plates (see entries in the View Lens List above), an adapter also exists to use Mamiya Press lenses as originally mounted, utilizing their built-in focusing helicals and depth of field guides.

 

Mamiya RB67

The Mercury RB67 lens solution utilizes the Mercury XL Focus Unit and a special RB67 Lens Adapter XL Plate to give you full control over RB67 lenses, including utilizing their built in shutters.  However, this kit requires you to also purchase a third party adapter, only available from one Hong Kong ebay seller.  Search ebay for “Lens board for Mamiya RB67 lens adapt to 4X5 camera.”  As these instructions detail, a small bit of assembly is required to transfer some parts from that adapter to the Mercury one.  The result is a complete RB67 lens solution.

 

 

 

135 SLR System Lenses

The most common consumer lenses are 135 (35mm) system lenses designed for SLRs.  While these lenses have flange distances too short to utilize the standard Mercury front mount, special camera bodies have been developed to allow them to work with the Mercury ecosystem.  The vast majority of 135 system lenses will only work with an Ilex 4 shutter.  Unlike the universal medium format system lens kits, 135 Mercury configs require two components that are sold separately.  135 Integrated Panels accept a large format shutter via direct threads (the shutter screws into the front of the panel).  Their rear side consists of a built-in (non-removable) back adapter.  Graflok 23 and Mamiya 645 AFD versions exist.  The second component of a 135 system lens config is the lens adapter.  This accepts a particular lens system, and itself threads into the large format shutter mounted on the Mercury body.  The following adapters are available:

Canon EF (our default adapter, as it can mount many other lens systems; see below)

Canon FD

Minolta MD

Konica (Hexanon) [still in development]

Leica R

All but the Leica R use the “Type 1” body, which accepts and Ilex 4 shutter and comes in either Graflok 23 or Mamiya AFD back versions.  The Leica R requires a Type 2 body, which accepts a Copal 3 shutter and comes only in a Graflok 23 back.

Many other lens systems can be easily adapted to Canon EF via readily available third party adapters.  These include, but are not limited to:

  • Nikon F
  • Olympus OM/MD
  • Contax C/Y
  • M42
  • Pentax K
  • Exakta