Lensbaby Sweet 50 Optic for Composer Pro

Model #LBO50

Lensbaby Warranty - USA Version
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Packaging Info

Package Weight 0.3 lb
Box Dimensions (LxWxH) 3.543 x 2.677 x 2.598"

General Information

Focal Length 50mm
Aperture Blade 12-blade internal aperture
f/Stop Range f/2.5 to f/22
Groups/Elements Two multi-coated glass elements, in one group
Type Curved field of focus optic
Focus Range 15" (38.1 cm) to infinity
Dimensions 1.9 x 1.9" (4.9 x 4.9 cm)
Weight 1.6 oz (45.3 g)
Diaphragm Blades 12-blade internal aperture, controlled by a dial on the front of the optic
Focus Type Manual
User Reviews
B h photo.34921152
14 March 2017

I always enjoy getting a new lens, but this one has been extra fun because it is so different from my traditional lenses - it is forcing me to look at things differently so I get pleasing results. Fun Fun Fun - good way to get out of a rut.

17 February 2017

I love this lens! it's a little hard to use since its all manual but with practice it becomes easier. I love the effect it gives to my photos

B h photo.34921152
17 October 2016

This lens is so much fun to use. It enables endless creativity and the results are spectacular. The build quality is superb and the lens is very sharp in the sweet spot.

26 June 2017

Steep learning curve and not easy to find where one CAN learn!

B h photo.34921152
31 July 2018

I own a decent amount of lenses and I use multiple focal lengths (16mm and 200mm) to achieve different results and looks in my pictures. I liked the idea of Lensbaby and it provides a different rendering/look for sure!

B h photo.34921152
28 October 2018

This is my first Lensbaby but I'm sure it won't be my last. I have been on several walks in my neighboorhood photographing flowers and shrubs and have been happy with the results. I use a Canon 6D with the Lensbaby.

B h photo.34921152
25 February 2017

This is a fun lens to play with. You can move the focal point around and be as creative and artistic as you want. It's a great creative lens.

B h photo.34921152
30 July 2018

bought this to try something different. fun little lens

B h photo.34921152
1 May 2018

Bought this after watching video on "Painterly" flower pictures. Like to have one blossom in focus and the background blurred. Just getting used to using this lens as focus is very "touchy". However, when you are careful it works as advertised.

B h photo.34921152
5 January 2018

Well made item, solid, not loose and floppy, can be tightened to work at the appropriate angle easily.Focusing is manual on my camera (Pentax K) and that presents challenges to use it properly.

Product Highlights
  • 50mm Selective Focus Optic
  • Aperture Range: f/2.5 to 22
  • Curved Field of Focus
  • 2 Multi-Coated Glass Elements
  • 12-Blade Internal Aperture
In The Box
  • Lensbaby Sweet 50 Optic for Composer Pro
  • Microfiber Cloth
  • Front Lens Cap
  • Plastic Case
  • Limited 1-Year Warranty
Still Have Questions?
We can help via Live Chat, Email or you can call us 1-888-840-0464


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