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Optimo Spherical Lens Line

Optimo 28‑340
Optimo 28-340

12x Spherical Zoom Lens with Large Imaging Size

Optimo 28‑340

12x Spherical Zoom Lens with Large Imaging Size


Setting the standard for optics technology and performance, the Optimo line offers a range of zoom lenses to meet the most uncompromising requirements. Manufactured with exquisite precision, they help you bring greater artistry and cinematic expression to your production in any format. The Optimo long lenses are unrivaled as the industry’s reference lenses for every type of production from feature films, commercials, TV series and video clips to major sports events and concerts.




Zoom Ratio12X

Focal Length28 - 340 mm

Aperturef/2.9 – T3.2

Close Focus4 ft 0.5 in – 1.23 m

Internal FocusYes

Image CoverageS35+: 31.4 mm diagonal

Weight (approx.)24.4 lbs – 11.1 kg

Length454 mm (PL) 449 mm (Panavision)

Front Diameter162 mm



  • Enhanced version of Optimo 24-290 with larger image circle and longer focal length
  • Image coverage up to S35+ (Ø 33.4 mm), expands to Ø 35 mm when used with Optimo extenders (more info in DOWNLOAD section)
  • Constant aperture of T3.2 throughout the 12x zoom range
  • Superb image quality from open aperture, considered as “Variable Primes”
  • 327 degrees focus rotation with over 70 precise markings
  • Calibrated focus marks available in feet or metric (easily interchangeable)
  • Close Focus MOD of 1.23 m / 4 ft 0.5 in
  • Adapted to extreme production environments (back focus temperature compensation system from -20°C to +45°C)
  • Robust zoom / focus mechanism
  • Mechanical components based on light-weight material with dedicated anti-abrasion coating
  • Aberration correction properly carried out, high-tech corrective glass to improve performance
  • Compatible with Optimo 1.4x and 2x extenders
    40-480mm T4.5 (with 1.4x extender)
    56-680mm T6.4 (with 2x extender)
  • Available in PL mount, interchangeable to Panavision mount by factory trained engineers

Field of view for 35 mm Academy (21.95 x16 mm, 27mm diagonal)

Focal Length 28 mm 340 mm
Horizontal angular field of view 42.7° 3.8°
Object dimensions at MOD (mm) 687×493 58×42

Accessories for Optimo 28‑340

EF/PV Mount

To extend the versatility of your Optimo, Optimo Style or Optimo Anamorphic.

1.4x and 2x Optimo Extenders

Effective solution to increase focal range and sensor coverage


Shot with Optimo Spherical Lens Line

Film Les Saisons
Directed by Jacques Perrin and Jacques Cluzaud

DoP : Eric Guichard
Shot with : Optimo Sperical lens line

More Testimonial
Film The 33
The 33
Directed by Patricia Riggen

DoP : Checco Varese ASC
Shot with : Optimo 24-290, Optimo 15-40 and Optimo 28-76

More Testimonial
Film Wolf Totem
Wolf Totem
Directed by Jean-Jacques Annaud

DoP : Jean-Marie Drejou AFC
Shot with : Optimo 28-340, Optimo 24-290, Optimo 28-76, Pack 3D

More Testimonial

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