Subal

Type: Housing manufacturer
Founded: 1952 (first housing) / 1977 (SUBAL brand formally established)
Headquarters: Steyr, Austria (original); Vienna, Austria (post-2018); production in Belgrade, Serbia (post-2017)
Key people: Arnold Stepanek (founder/designer), Sigrid Stepanek, Rolf Sempert (general manager/sales), Harald Karl (owner, post-2008), Peter Stangl (technical engineer)
Key products: Machined aluminum underwater housings for Nikon, Canon, Sony, Olympus, Panasonic, and other cameras
Specialty: Premium hand-built aluminum housings with patented hard-coat anodizing, QuickLock closure system

Overview

Subal is an Austrian manufacturer of premium machined aluminum underwater camera housings, widely regarded alongside Seacam as the gold standard for build quality in the underwater photography industry. The company’s origins trace to 1952, when Arnold Stepanek built his first underwater housing at the age of 16, inspired by diving pioneer Hans Hass. Continuous production began in 1954, and the SUBAL brand was formally established in 1977, making Subal one of the oldest continuously operating underwater housing manufacturers in the world (^[1]).

Arnold Stepanek personally designed the entire Subal product range for decades. As late as 2004, he was still designing housings — the ND70 for the Nikon D70 was reportedly designed on his laptop while on vacation (^[2]). Stepanek and his wife Sigrid were regularly present at trade shows including DEMA and the Antibes Festival through at least 2007 (^[3]).

Subal housings are manufactured from a solid block of seawater-resistant aluminum alloy, machined, then treated with a patented hard-coat anodizing process that Subal claims is unique in the industry. A triple-layer powder coating is added for finish and additional protection. All shafts and screws are high-alloy chrome-nickel steel. The housings feature the SUBAL QuickLock closure system, optical and acoustic leak alarms, and are depth rated to 80 meters standard (120 meters on request) (^[4], ^[5]).

Throughout the Wetpixel era (2001-2023), Subal was a prominent presence in the high-end housing market, with 230 article mentions and 1,179 forum thread mentions across the archive. The company endured two financial crises — a 2011 reorganization and a 2017 insolvency filing — both of which it survived, though with significant restructuring.

Distribution and dealers

In the United States, Subal was distributed by Marine Camera Distributors (MCD) of San Diego, a Wetpixel sponsor, which handled sales, ports, and accessories throughout the early 2000s (^[6], ^[7], ^[8]). Backscatter also carried the Subal line, with Berkley White providing early coverage of new products like the GS viewfinder (^[9]).

In the UK, ^[10] of London was a key dealer. Alex Mustard obtained his Subal ND2 housing from Ocean Optics, receiving it the day before the international release of the Nikon D2X camera (^[11]).

In Europe, Subal’s Viennese distributor was Harald Karl, who later became the company’s owner. Rolf Sempert served as Subal’s general manager and was the primary company representative at trade shows throughout the 2000s and 2010s (^[12], ^[13]).

Port system

Subal developed multiple generations of bayonet-mount port systems over the years:

• Type 2 ports — Used on mirrorless housings like the Sony a7 (^[14])
• Type 3 (3rd Generation) ports — The standard port mount used through the mid-2000s. Aquatica later released adapters allowing Subal Type 3 ports to be used on Aquatica housings (^[15])
• Type 4 (4th Generation) ports — Introduced in late 2007 with the Canon 1D Mk III and Nikon D3/D300 housings, featuring a larger bayonet mount to accommodate newer, larger-diameter lenses. Step-up and step-down extension rings were planned for mixing port generations (^[16])

All ports used optical glass elements with hoods made from polyacetal resin. Subal’s dome ports included the standard DP-FE2 (8-inch), a 9-inch dome with interior and exterior anti-reflective and anti-scratch coatings (introduced 2010, ~$1,900), and a massive 10-inch (254mm) glass dome with conical back for large lenses like the Nikon 14-24mm (^[17], ^[18]).

The ND7000 housing (2011) introduced a multiple port adapter that could be exchanged to accommodate non-Subal ports without adapter rings, and a port lock preventing accidental rotation and disengagement of ports (^[19]).

Nauticam and other manufacturers offered port adapters for Subal Version 3 and Version 4 ports, making them widely cross-compatible in the industry (^[20]).

Viewfinder systems

Subal offered multiple viewfinder options that were frequently discussed in the community:

• Standard viewfinder — Narrowed the viewfinder image to be fully visible through a diving mask
• GS 180 viewfinder — A straight-through 180-degree enlarging viewfinder providing ~2.5x magnification, introduced in 2004 as a $960 option. At the 2004 Antibes Festival, it was confirmed that Sealux manufactured the GS/GD viewfinder design used by Subal, with Sealux pricing the equivalent at ~$500 versus Subal’s ~$960 (^[21], ^[22])
• WS 45 viewfinder — A 45-degree angled viewfinder with 360-degree rotation in 90-degree click stops, 150% magnification. The version introduced at DEMA 2008 was described as “essentially an INON viewfinder with an upgraded casing” retailing at $1,530 (^[23])
• PS 30 prism viewfinder — A newer design showing the LCD monitor image at the same size at a 30-degree viewing angle, optimized for video recording (^[24])

Martin Edge wrote in his ND30 review that “the viewfinder of any camera housing is without doubt the most significant feature of the entire design” and that the GS viewfinder was “definitely worth the money” (^[25]). Community discussion around viewfinder pricing was active, with some noting the price premium over equivalent Sealux and INON products (forum community).

TTL system

In 2016, Subal introduced their own N-TTL Converter for Nikon housings, capable of providing full TTL via optical bulkheads or Nikonos 5-pin connections, with manual mode and +/- power adjustment. The battery was rated for 65,000 shots or 5-7 years. Compatible strobes included INON, Sea & Sea YS-D1/YS-01, and later Ikelite models (^[26]).

The ND7000 housing (2011) featured an innovative LED-uncoupled strobe board allowing electronic triggering of different strobe models connected in parallel, solving compatibility issues between strobes with differing circuit resistance (^[27]).

Product timeline

Pre-digital era (1952-2001)

• 1952: Arnold Stepanek builds his first underwater housing at age 16 (^[28])
• 1954: Continuous production begins
• 1977: SUBAL brand formally created
• 1982: Bolex Cinesub H16 housing with world’s first underwater cartridge for 120m rolls of 16mm film, designed by Arnold Stepanek — a landmark product that shaped professional underwater filmmaking for 20 years (^[29])
• 1990s: Housings for Nikon F100 (N10), Nikon F80 (N80), and Nikon F5 (ProCase F5) film SLRs; also Nikon N90s and Canon A2e/5 housings (forum community)
• 1998-2000: N10/N80/ProCase F5 family developed, establishing the design lineage for digital-era housings (^[30])

Early digital era (2002-2005)

• 2002: CP5 housing for Nikon Coolpix 5000; D10 housing for Nikon D100 announced. Distributed in the US by Marine Camera Distributors (^[31], ^[32])
• 2003-01: D10 housing for Nikon D100 ships; David Burroughs provides first user photos on Wetpixel (^[33], ^[34])
• 2003-04: SN80-D Strobecase for Nikon SB80DX flash released — housing for an external strobe unit, supporting DTTL underwater via Nikonos TTL cable (^[35])
• 2003-06: D60 housing for Canon D60 available (^[36])
• 2003-09: FS2 housing for Fuji FinePix S2 Pro reviewed by Robert Delfs — described as “a near clone of the D10 housing” with the same body design, demonstrating Subal’s modular approach to housing development. Used with full range of Subal lens ports including the DP-FE2 dome (^[37], ^[38])
• 2003-10: Full lineup shown at DEMA 2003: Canon EOS 1Ds (prototype), Canon 10D (C10), Nikon D100, Fuji S2 Pro, Nikon Coolpix 5000/5400, Canon G5, Nikon SB80 flash housing, and Canon 550 EX strobe housing (in production). Housings praised for “natural-feeling ergonomics” with “very short throw” levers (^[39])
• 2004-07: GS 180 viewfinder introduced as $960 option, first available on D70 and 1Ds/MkII housings. Confirmed to share design with Sealux GD viewfinder (^[40])
• 2004-08: ND70 housing for Nikon D70 reviewed by Alex Mustard, who described himself as “a confessed Subalophile.” Housing was notably more compact than the D10 (^[41], ^[42])
• 2004-10: CD1D housing for Canon 1D/1Ds Mk II and D2X prototype shown at DEMA 2004, alongside GS180 viewfinder (^[43])
• 2004-11: Subal present at Antibes Festival 2004 sharing stand with Sea Cruise. Displayed D2X housing prototype (initial batch of 10 before camera release) and upcoming 20D housing (^[44])
• 2005-01: D20 housing for Canon 20D; distributed by Ocean Optics (UK) and Marine Camera Distributors (US) (^[45])
• 2005-03: ND2 housing for Nikon D2X reviewed by Alex Mustard, who obtained his housing from Ocean Optics the day before the camera’s international release. Used with Subtronic Alpha strobes in the Red Sea (^[46])
• 2005-03: CD1D housing for Canon 1D/1Ds Mk II reviewed by Tom Stephens — the “D” stood for “dual” as it fit both camera bodies. Purchased through Marine Camera Distributors (^[47])
• 2005-12: D2X hotshoe issue reported: erratic strobe firing and image saving. Fix required removing one hot-shoe pin, documented by Wetpixel moderator Luiz Rocha (^[48])

Expansion and maturity (2006-2010)

• 2006-09: Third-party Canon 5D conversion kit for Subal C10 (10D housing) created by machinist Bill Reed — a $450 kit with custom base tray and silicone transfer pad allowing the 5D to be used in the older housing while retaining 10D compatibility (^[49])
• 2006-11: At DEMA 2006, Subal showed ND20 housing for Nikon D200, prototype Nikon D80 housing (shipping January/February 2007), Canon 30D housing, and prototype 105VR macro port with internal stabilizer ring and focus wheel/clutch combination. Eric Cheng praised the ergonomics: “I love seeing manufacturers do things like this; it means they’re actually talking to underwater photographers!” (^[50])
• 2007-07: Announced housing support for Canon EOS 1D Mark III alongside Nexus and Seacam (^[51])
• 2007-11: At DEMA 2007, Arnold and Sigrid Stepanek showed CD3 prototype for Canon 1D Mk III (shipping November) and C40 prototype for Canon 40D (shipping December). Introduced 4th Generation port mount with larger bayonet, new 10-inch dome port, and updated SN 58/II Speedlight housing for Canon 580 EX II. Also planning Nikon D3 and D300 housings (^[52])
• 2008: Subal sold to new owners. Eric Cheng noted at DEMA 2008: “Finally, Subal has been sold. I’m not sure if the two guys I met at the booth were the new owners, but I wish them the best of luck” (^[53])
• 2008-04: ND30 housing for Nikon D300 reviewed by Martin Edge, who had “owned and used Subal housings since the introduction of the Nikon F801 in the early 1990s.” Noted a pre-production defect where menu selector rocker pins were 1.5-2mm too long, quickly resolved by Subal. Praised the 3-inch LCD window, GS viewfinder, and improved button ergonomics (^[54])
• 2008-10: At DEMA 2008, showed D700, D3, Canon 50D/40D housings, SB900 strobe housing, large dome port (254mm diameter, 165mm radius of curvature), and new 45-degree viewfinder ($1,530). Working on Nikon D90 and Canon 5D Mark II housings (^[55])
• 2008-11: ND700 housing for Nikon D700 field reviewed by Alex Mustard using the actual DEMA show unit, which worked “faultlessly in the ocean a few days later.” Noted the D700 was tested alongside D300s in Subal, Sea & Sea, Sealux, Aquatica, Ikelite, and Hugyfot housings (^[56])
• 2010-03: Aquatica released port adapters for Subal Type 3 ports, priced at $95, allowing migration to Aquatica housings without changing ports (^[57])
• 2010-11: At DEMA 2010, Subal’s Rolf Mayer showed prototype Sony NEX-5 housing with new spring latch mechanism and fiber optic sync, 9-inch anti-reflective coated dome (~$1,900), and full line of recent housings including D300s and Canon 7D with new port locking mechanism (^[58])

First financial crisis and recovery (2011-2013)

• 2011-02: First financial reorganization. Subal faced liquidity problems stemming from the global financial crisis. New management installed under Harald Karl. Press release confirmed “SUBAL reorganized” with production continuing “at full capacity.” Company was described (incorrectly) as German in the Wetpixel article, though it remained Austrian (^[59])
• 2011-06: ND7000 housing for Nikon D7000 — first production model received by reviewer Andrej Belic (from Austria/Croatia). Introduced several innovations: dual fiber optic connections as standard, multiple port adapter for non-Subal ports, lens release lever for changing lenses without opening the back plate, port lock, and lever-operated Live-View and REC controls (the only manufacturer at the time to offer lever operation for both). Also introduced custom color options — over 20 colors available beyond standard grey. Belic ordered his in “BRIGHT RED” inspired by Stepanek’s 1982 Bolex Cinesub H16 (^[60])
• 2011-09: SGF2 and SGF3 housings for Panasonic GF2 and GF3 — Subal’s first mirrorless “EVIL” camera housings. Compact (160 x 110 x 75mm, 660g), compatible with all bayonet-mount Subal ports, included fiber optic port and QuickLock closure (^[61])
• 2011-09: ND7000 Part 2 review by Andrej Belic — detailed underwater handling tests with various strobes (Seacam, Subtronic, Sea & Sea) and lenses (Tokina 10-17mm fisheye, Sigma 8-16mm rectilinear, Nikkor 105mm macro). Documented innovative LED-uncoupled strobe board and optical triggering capabilities (^[62])
• 2013-02: ND4 housing for Nikon D4 reviewed by Alex Mustard, who acknowledged Wetpixel’s review coverage was “sometimes accused of being biased towards Nauticam” due to Nauticam’s speed-to-market, and wanted to show other brands. Noted the D4 was popular among “full time pros, who rarely surface long” (^[63])
• 2013-11: At DEMA 2013, Rolf Sempert showed ND7100 for Nikon D7100, D600 housing (also fitting D610), prototype Canon 1DX housing, and prototype Sony FS700 video housing (with 70m standard / 150m tech depth rating) (^[64])
• 2013-12: ND7100 housing for Nikon D7100 field reviewed (^[65])

Diversification into mirrorless and video (2014-2017)

• 2014-05: Housing for Olympus OM-D E-M1 announced (^[66])
• 2014-08: ND4S Angler housing for Nikon D4s released at $6,500 — described as “the next-generation flagship” with “revolutionary design.” Compatible with both D4 and D4s. Featured comprehensive control access including mode, exposure compensation, bracketing, flash sync, AF modes, video controls, and more. Available in standard color and Black TEC version (^[67])
• 2014-09: ND810 housing announced alongside Seacam’s D810 housing (^[68])
• 2014-12: GH4 housing announced — Subal enters Panasonic Micro Four Thirds market (^[69])
• 2014-12: ND750 housing for Nikon D750 released (^[70])
• 2015-03: Sony a7 housing announced at $2,850 — Subal enters the Sony mirrorless full-frame market. Housing fits Sony Alpha 7, 7R, and 7S (identical physical design). Described by Subal as “the lightest, most compact and ergonomic housing available for the SONY Alpha 7.” Compatible with Type 2 ports, vacuum valve system optional. Also offered in “Black Angler” version (^[71])
• 2016-01: ND5 housing for Nikon D5 announced at EUR 5,988, shipping a month before the camera. Also announced ND500 housing (April) and N-TTL converter system (^[72])
• 2016-06: NDF housing for Nikon DF announced at EUR 3,350 (export), with 5% pre-order discount (^[73])
• 2016-09: CD5 MIV housing for Canon 5D Mark IV ships at EUR 3,299 (export). Introduced PS-30 prism viewfinder for video (^[74])
• 2016-09: Housing for Blackmagic 4K Cinema Camera announced at EUR 4,299 (export) — featured touch screen push buttons for the camera’s touch controls, three bulkheads for video out/vacuum/accessories (^[75])
• 2016-10: NDF housing for Nikon DF ships with new locking system reducing weight and bulk (^[76])
• 2016-12: Housing for Olympus OM-D E-M1 Mark II announced (^[77])
• 2017-01: Housing for GoPro HERO 5 announced (^[78])
• 2017-01: Housing for Panasonic GX80 announced (^[79])
• 2017-03: SUBAL Navy line announced — military-grade housings with anti-reflective matt finish, designed for navy and army use. Operating temperature -70 to +80 degrees Celsius. Compatible with telephoto lenses (200mm, 300mm, 200-500mm) via custom ports. Available for Nikon, Canon, Leica, Sony, Panasonic, Olympus, Fuji, and GoPro. Offered lifetime warranty (^[80])
• 2017-10: ND850 housing for Nikon D850 announced (^[81])

Second financial crisis and restructuring (2017-2018)

• 2017-12-05: Subal GmbH enters insolvency proceedings (Austrian company registration FN359300h). Filed with KSV1870 creditors’ association. The announcement was not made publicly by Subal; it was discovered by the community through Austrian insolvency filings and German-language diving sites (^[82], ^[83])
• 2018-01-01: Forum user “buddy” broke the news on the Wetpixel forums, expressing frustration: “why is that not reported already here at Wetpixel, the info is already 3 days old.” Community reaction was swift, with users who had pre-ordered ND850 housings uncertain about their deposits. Some considered switching to Seacam or Nauticam (^[84])
• 2018-01-03: Owner Harald Karl clarified the situation to Wetpixel’s Adam Hanlon. Manufacturing had already moved to Belgrade, Serbia. The insolvency filing was to restructure and close the Steyr production facility under Austrian law. Karl stated: “Through this process, no one will lose anything! No housings which are pre-paid, or housings that are currently being serviced or repaired!” Servicing/repairs to continue at Steyr; new showroom planned for Vienna (March 2018) (^[85])
• 2018-01: Forum user “trimix125” (Wolfgang) noted that the insolvency was declared December 5 but “the company said no word. Even not in the german forums.” He clarified that “designing and manufacturing of mostly parts was in Serbia the last years, since Mr. Karl has bought the company. Only the assembling was still in Austria” (^[86])
• 2018-02: ND850LE limited edition — 30 units of the ND850 housing in yellow celebrating Nikon’s centenary, priced at EUR 3,990 ex VAT. Demonstrated continued production capability despite the restructuring (^[87])

Post-restructuring (2021+)

• 2021-07: Housing for Nikon D6 announced — demonstrated continued production post-restructuring, though by this point the industry had largely shifted to mirrorless systems (^[88])

Notable users and reviews

Subal housings were used by numerous prominent underwater photographers featured on Wetpixel:

• Alex Mustard — Self-described “confessed Subalophile” and Wetpixel’s most prolific Subal reviewer. Used Subal housings for D2X (67,000+ shots without a spare body), D700, D4, and D5. Wrote Wetpixel reviews for the ND2, ND70, ND700, and ND4 housings (^[89], ^[90], ^[91], ^[92])
• Martin Edge — Underwater photography educator who favored Subal “since the introduction of the Nikon F801 in the early 1990s.” Reviewed the ND30 for the D300 (^[93])
• Viktor Lyagushkin — National Geographic photographer and “Subal Team Pro photographer” (^[94])
• Michael Muller — Hollywood photographer who used “Subal housings and Nauticam for my Phase One” (^[95])
• Don Silcock — Used Subal housing with Nikon D300 and D800 (^[96])
• ^[97] — Subal ambassador and extreme sports photographer
• Robert Delfs — Early reviewer of the FS2 housing for the Fuji S2 Pro (^[98])
• Andrej Belic — Austrian reviewer who wrote detailed two-part ND7000 review (^[99], ^[100])

Community perspective

Subal housings generated 315 dedicated forum threads on the Wetpixel forums plus mentions across 1,179 threads total, making it one of the most-discussed housing brands in the community. Key discussion themes included:

Quality and reliability: Subal was consistently placed in the top tier of housing manufacturers alongside Seacam, with the two brands often directly compared by potential buyers (forum threads like “Seacam or Subal” were common). The brand commanded strong loyalty among professional users (^[101], forum community).

Viewfinder pricing: The revelation that Sealux manufactured the GS/GD viewfinder used by Subal, at roughly half the price, generated community discussion. At the 2004 Antibes Festival, the viewfinders were displayed on adjacent stands allowing direct comparison (^[102]).

Port compatibility: Subal’s port system was widely adopted as a de facto standard, with multiple manufacturers (Nauticam, Aquatica, Recsea, Easydive, SeaTool) offering adapters for Subal ports (^[103], ^[104]).

Financial concerns: Both the 2011 reorganization and 2017 insolvency generated significant community anxiety, particularly from users who had pre-paid for housings or had units in for service. The 45-reply insolvency thread reflected genuine concern about the viability of the high-end Austrian housing market (^[105]).

Third-party modifications: The 2006 Canon 5D conversion kit for the Subal C10 demonstrated the community’s ingenuity and commitment to the platform — users invested significant effort in keeping their Subal housings compatible with newer cameras (^[106]).

Competition

Subal competed in the premium housing segment against:

• Seacam — Most direct competitor, also Austrian-made. Often compared side-by-side in buying discussions
• Nauticam — Emerged as the dominant housing brand by the 2010s, particularly for mirrorless cameras, with faster time-to-market
• ^[107] — Canadian manufacturer in the same price tier
• Nexus — Japanese manufacturer competing in the high-end segment
• Ikelite — More affordable alternative with polycarbonate housings
• Sea & Sea — Mid-to-high-end competitor

By the 2010s, Nauticam’s rapid housing development cycle and growing market share increasingly challenged Subal’s position. Alex Mustard acknowledged this dynamic in his ND4 review, noting Wetpixel’s review coverage appeared Nauticam-biased simply because “Nauticam [is] usually the fastest to produce new housings” (^[108]).

References