Lensbaby Double Glass II Optic
The Lensbaby Double Glass II is a 50mm f/2.5 lens designed for Other mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Lensbaby Double Glass II Optic
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Lens Overview — Lensbaby Double Glass II
Key Features — Lensbaby Double Glass II
50mm Prime Focal Length: A standard 50mm field of view makes it practical for portraits, still life, and everyday creative shooting.
Selective Focus Effect: Produces a characteristic sweet spot of sharp focus surrounded by progressive blur, giving images a painterly, dreamy quality.
f/2.5 Maximum Aperture: Wide enough to separate subjects from backgrounds and perform in moderate low-light conditions.
Lensbaby Optic Swap System: Designed as a modular optic that swaps into compatible Lensbaby bodies, allowing photographers to change creative rendering without changing lenses.
Manual Focus Only: Fully manual operation encourages deliberate, hands-on focus control suited to artistic and experimental workflows.
46mm Filter Thread: Standard 46mm thread accepts screw-in filters for additional creative or protective options.
Lens Specifications — Lensbaby Double Glass II
| Spec | Detail |
|---|---|
| Use Cases | Creative Effects |
| Lens Type | Special Effect |
| Format | Other |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/2.5 |
| Camera System | Mirrorless |
| Lens Mount | Other |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 46mm |
Description — Lensbaby Double Glass II
The Lensbaby Double Glass II Optic is a 50mm prime, special effect optic built for mirrorless camera systems. Mounted via a Lens Board (Technical Camera) interface, it integrates into compatible Lensbaby modular systems and delivers a creative, selective focus rendering that sets it apart from conventional lenses. With a maximum aperture of f/2.5 and fully manual focus operation, the photographer retains complete control over exposure and focus placement.
There is no autofocus and no image stabilization. At just 46 grams, this optic is remarkably light, making it practical for extended use without fatigue. The 46mm filter thread allows for additional creative filter use.
Ideal for portrait, still life, and experimental photography, the Double Glass II Optic is a deliberate choice for image-makers seeking an unconventional optical character.
Pros — Lensbaby Double Glass II
- ✓Lightweight at just 46g, adding minimal weight to a mirrorless system
- ✓50mm prime focal length covers a versatile standard field of view
- ✓f/2.5 maximum aperture allows for meaningful background separation
Cons — Lensbaby Double Glass II
- ✗No autofocus — manual focus only, which may slow down shooting in fast-paced situations
- ✗No image stabilization, requiring steady technique especially in lower light
- ✗Lens Board (Technical Camera) mount limits compatibility to specific Lensbaby systems
Reviews — Lensbaby Double Glass II
Videos — Lensbaby Double Glass II
Lensbaby Co-Founder Craig Strong Talks All Things Double Glass II — Lensbaby


