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Lensbaby Sweet 50

The Lensbaby Sweet 50 is a 50mm f/2.5 lens designed for Sony E mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Lensbaby Sweet 50

Lensbaby Sweet 50

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Lens Overview — Lensbaby Sweet 50

The Lensbaby Sweet 50 is a 50mm prime lens designed for mirrorless camera systems, built around a special effect optical design that produces selective focus imagery. With a maximum aperture of f/2.5, it offers a moderately fast opening suited to the creative, dreamlike rendering this type of lens is known for. The lens is manual focus only, meaning photographers retain complete control over where the zone of sharpness falls within the frame — a fitting approach given the artistic, non-clinical results it produces.

Weighing just 215g, it is a lightweight option that won't add significant bulk to a mirrorless kit. The 46mm filter thread allows for the use of standard small-format filters, including polarizers or neutral density options. Designed to cover a full-frame image circle, it is compatible with both full-frame and smaller sensor mirrorless bodies.

The lens mounts via a Lens Board mount intended for technical camera systems, which will require an appropriate adapter or Lensbaby body for use. Image stabilization is not included, so photographers should account for this when shooting in lower light conditions. This is a manual, creative prime built for expressive, artistic shooting rather than utility.

Key Features — Lensbaby Sweet 50

Sweet Spot Optics: Designed to produce a sharp central focus zone that blends into soft, swirling blur toward the edges for a distinctive selective focus effect.

50mm Prime Focal Length: Standard 50mm field of view keeps framing natural and intuitive across a wide range of subjects.

f/2.5 Maximum Aperture: Moderately fast aperture gathers enough light for creative shooting in varied conditions while enhancing the lens's characteristic blur rendering.

Full-Frame Coverage: Image circle covers full-frame sensors, making it compatible with both full-frame and crop-sensor mirrorless bodies.

Manual Focus Only: Fully manual focus design gives photographers direct, tactile control over the precise placement of the sharp zone within the frame.

Lightweight Build: At 215g, the lens adds minimal weight to a mirrorless kit, making it practical for extended handheld shooting.

Lens Specifications — Lensbaby Sweet 50

Lensbaby Sweet 50 full specifications
SpecDetail
Use CasesMacro, Fashion, Creative Effects
Lens TypeSpecial Effect
FormatFull Frame
Zoom/PrimePrime
Focal Length50mm
Maximum Aperturef/2.5
Camera SystemMirrorless
Lens MountSony E
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread46mm

Description — Lensbaby Sweet 50

The Lensbaby Sweet 50 is a 50mm prime lens built for mirrorless camera systems and designed to produce distinctive special effect imagery. It features a maximum aperture of f/2.5 and is fully manual focus, putting the creative process directly in the photographer's hands. Covering a full-frame image circle, it suits a wide range of mirrorless sensor formats.

At just 215g, the Sweet 50 is an unobtrusive addition to any kit. The 46mm filter thread enables use of standard compact filters for additional creative control. Mounted via a Lens Board fitting typical of technical camera systems, it integrates into the appropriate Lensbaby or compatible ecosystem. Image stabilization is not included, so stable shooting technique or a steady support is recommended in challenging light.

As a prime lens in the standard focal length range, the Sweet 50 provides a consistent perspective ideal for portraits, still life, and any subject matter where selective, artistic focus rendering is the goal.

Pros — Lensbaby Sweet 50

  • ✓Full-frame coverage at 50mm makes it versatile across mirrorless sensor sizes
  • ✓Lightweight at 215g, easy to carry for extended shooting sessions
  • ✓Maximum aperture of f/2.5 provides solid light-gathering capability for a special effect lens

Cons — Lensbaby Sweet 50

  • ✗Manual focus only — no autofocus support, which may slow workflow for some shooters
  • ✗No image stabilization, which can be limiting in low-light environments
  • ✗Lens Board mount limits direct compatibility; requires appropriate system body or adapter

Videos — Lensbaby Sweet 50

Insanely Fun Lens! – Lensbaby Sweet 50 Optic Review — Josh Katz

Resources & Downloads — Lensbaby Sweet 50

Frequently Asked Questions — Lensbaby Sweet 50

Is the Lensbaby Sweet 50 compatible with full-frame mirrorless cameras?+
Yes. The Sweet 50 is designed with a full-frame image circle and is specified for mirrorless camera systems. This means it can be used on both full-frame and smaller-sensor mirrorless bodies when paired with the correct mount setup.
Does the Lensbaby Sweet 50 have autofocus?+
No. The Sweet 50 is a manual focus lens only. All focus adjustments must be made by hand, which suits the deliberate, artistic style of shooting this lens is designed for.
What filter size does the Lensbaby Sweet 50 use?+
The Sweet 50 has a 46mm filter thread. This is a less common size compared to larger filter threads, so photographers should verify compatibility when purchasing filters.
How heavy is the Lensbaby Sweet 50?+
The lens weighs 215g, making it a lightweight option well-suited to mirrorless camera bodies where keeping overall kit weight low is a priority.
Does the Lensbaby Sweet 50 include image stabilization?+
No. The specifications confirm that image stabilization is not present in this lens. Photographers shooting in lower light conditions should factor this in when selecting shutter speeds.
What mount does the Lensbaby Sweet 50 use?+
The Sweet 50 uses a Lens Board mount, which is associated with technical camera systems. Shooters should confirm compatibility with their specific body or Lensbaby system before purchasing.

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