EyeMo 71 (1925)

It clicks like a time bomb, weighs like a brick, and has been into war zones with a 47mm lens. This is the Bell & Howell Eyemo Model 71.

Overview

Bell & Howell Co. of Chicago introduced the Eyemo Model 71 in 1925. It is a 35mm motion picture film camera built for getting the shot, no matter what. It went into trenches in WWII and onto stunt cars about to explode. The spring motor runs 20 seconds at 24 fps on the internal 100-foot magazine. Optional 400 ft or 1,000 ft magazines stretch runtime to over 11 minutes.

It's compact, all-metal, and rugged as hell. The body is aluminum casting under a black lacquer finish, built to take dings, drops, and desert sand without missing a frame. At 3.25 kg it's no lightweight, but for its era it was considered portable enough for "on the spot" reporting, and newsreel cameramen racing to breaking stories used it that way. The spring-wind motor starts at full speed the moment you press the trigger and stops dead when you let go. No lag, no hesitation. You can change frame rates mid-shot, from as low as 4 fps to 64 fps on high-speed variants, though the common model sticks to 12, 16, and 24 fps.

It's not reflex, so you're not seeing through the lens. You get an optical viewfinder that gives a rough idea of what's being captured. Some models show aperture and focus settings in the finder, along with a bubble level. Certain Eyemo 71s came with a rotating three-lens turret, including the compact "Spyder" version that let you swap optics without fumbling for tools.

This was the camera that went to war. From 1942 to 1945, Bell & Howell shifted production entirely to military models designated PH-330, and the Eyemo became the go-to for U.S., Canadian, and Allied combat cinematographers. It was used in the mud of Guadalcanal, the snow of Korea, and the jungles of Vietnam. After the war, thousands were sold as surplus and scattered into newsrooms, indie film sets, and eventually collectors' shelves.

Specifications

ManufacturerBell & Howell Co., Chicago
Product type35mm motion picture film camera
Production yearsIntroduced in 1925, produced through the 1970s
MotorBuilt-in clockwork (spring wind) motor
Variable-speed operation8-48 FPS (frames per second)
Format35mm
Film length (internal)100 ft (30 m) of film
Film capacity (optional magazine)400 ft (120 m) or 1,000 ft (300 m) magazine
Frequencies d'image (speeds)12, 16, et 24 i/s (fps) for common model
ViewfinderNon-reflex; optical viewfinder
Mount1 + 1/2 in (38 mm) diameter lens mount (standard)
Standard lensTaylor-Hobson F 2,5 de 47mm (for specific variant)
CounterIndicates length of film used in feet
Dimensions (LxPxH)11,1(14,5) x 15,5(18,5) x (20,2) cm
Weight3,25 KG
Body/FinishAluminum casting, black lacquer
Film run time at 24 fps (internal)About 20 seconds of film per winding
Film run time with magazines4 + 1/3 and 11 minutes respectively (for 400 ft and 1000 ft magazines)
Speed range (overall model range)Runs at speeds of four through 64 fps, depending on the model
Lens configurationsSome models take one lens only; others feature a rotating three-lens turret.

Key Features

The Spring Motor That Changed Everything

The built-in clockwork motor was a big deal for its time. No bulky external drives, no hand-cranking while trying to frame a shot. A full wind gives you about 35 feet of film at 16 fps on early models, and the motor holds consistent speed from start to stop. Press the trigger and it's instantly at full speed; release and it halts. That responsiveness suited news and combat work, where timing was everything.

And yes, you can adjust speed while filming — a rare trick in the 1920s. Whether you’re dropping to 8 fps for silent-era look or cranking up to 48 for slow motion, the Eyemo 71 lets you adapt on the fly. High-speed variants even hit 64 fps, though those were specialty models.

Three-Lens Turret: The Spyder Advantage

Some Eyemo 71 models, like the N, O, P, and Q, came with a three-lens turret, including the compact "Small 3-Lens Turret" (aka Spyder turret). In a combat zone you don't have time to swap lenses. With a 25mm, 50mm, and 75mm Bell & Howell Anastigmat ready to rotate into place, you could go from wide shot to tight close-up in a heartbeat. The Spyder turret has offset arms that keep the lenses from bumping into each other, which mattered when the camera was bouncing in a jeep.

Drive Flexibility: Crank, Spring, or Electric

The spring motor is the heart of the Eyemo, but it's not the only option. You can hand-crank it with an accessory crank, useful if the spring gives out or you need precise control. Starting in 1932, you could also fit an electric motor, powered by DC battery or AC. A synchronized motor was available for sync sound work, though that was more common in later models.

The catch is that it's loud. There's no commercially available blimp to quiet it down, so shooting dialogue is out. That's why it was mostly used for news, combat, and stunts, where sound was secondary or added later.

Optical Viewfinder: What You See Is (Mostly) What You Get

It's not through-the-lens, so parallax is a real issue, especially up close. The optical viewfinder does more than frame the shot, though. On some models it displays aperture, focus settings, and a bubble level, all visible while you're rolling. That kind of feedback was advanced for the 1920s, and professionals who needed to work fast and accurately favored the Eyemo for it.

Historical Context

The Eyemo 71 appeared in 1925, evolving directly from the Filmo 70. Early versions, like the 71-AA (1926-27), had just two speeds. By 1927, the 71-AB arrived with three speeds - 12, 16, and 24 fps - and a high-speed "Speed" variant that could hit 64 fps. The following year, the 71-B introduced the three-lens "Spyder" turret.

In 1932, electric motor and 400 ft magazine options became available, which pushed its use beyond handheld news work. Its biggest period came during WWII, when production shifted entirely to military models (PH-330) from 1942 to 1945. These cameras were issued to combat cameramen across Allied forces, including those who shot the brutal assault on Tarawa, later seen in *With the Marines at Tarawa* (1944).

After the war, civilian production resumed, but the low-speed versions were phased out by 1947. Most models ceased production by 1949, though some variants kept rolling into the 1970s. The surplus market flooded with military Eyemos, and they stayed within reach of indie filmmakers and news crews for decades.

Collectibility & Value

Today the Eyemo 71 is highly collectible, and condition matters a lot. Prices range from $450 to $1,800, depending on model, functionality, and included accessories. A Model 71-K with a single lens and no extras might sit at the low end, while a fully loaded P or Q model with a Spyder turret, magazines, lenses, and manuals can command top dollar.

Most are sold "as-is" with untested mechanicals. Common problems include jammed movements, worn springs, and seized gears. Missing parts are almost guaranteed, especially film magazines (200' or 400'), power cables, tools, filters, and manuals. Lens sets (25mm, 50mm, 75mm Bell & Howell Anastigmats) are often separated from their cameras. Don't expect pristine. These were field tools, and dings, scuffs, and military markings are normal.

Still, for collectors and filmmakers who want to hold a piece of cinematic history, the Eyemo 71 is worth the hunt. It’s not just a camera — it’s a time capsule with a spring motor.

Market Value

┌──────────────────────────────────────────────────────────────────────────┐
│ EYEMO 71                                                        Aug 2026 │
├──────────────────────────────────────────────────────────────────────────┤
│ High      $1,164                                  Latest             $51 │
│ Median    $40                                     Trend           ▼ Down │
│ Low       $14                                     Volume          ~23/mo │
├──────────────────────────────────────────────────────────────────────────┤
│ $2,000 ┤                                                                 │
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│ $1,143 ┤                          .                                      │
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│     $0 ┤... ......  .   .   ... .... .. ...  . . ... ........ ..  .. ....│
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│    vol │▅▂▂ ▂▂▂▂▅▂▂▂▂▂  █   ▂▂▅ ▂▂▅▅ █▂ ▂▅▂  █ ▂ ▂█▅ ▅▅▅▂▂▂▂▂ ▂▂  ▂█ ▂▅▂▂│
│        └─────────────────────────────────────────────────────────────────│
│         2026-05                      2026-06                      2026-08│
└──────────────────────────────────────────────────────────────────────────┘

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