3 votes

Ultrawide Micro Four Thirds lens: is it better to use a wide full frame lens with a Speed Booster or a native lens?

It's better to get the native lens. Because you will never find a low-cost 15-30mm equivalent rectilinear lens for MFT in full-frame glass. You do get, that even with a speedbooster at x0.71, that ...
  • 49.9k
3 votes
Accepted

What is this mystery Vivitar lens mount?

Vivitar rebranded lenses made by other manufacturers. Your lens is made by Tokina with a T4 or TX universal mount, which uses adapters to fit different cameras. The TX mount is a revision of the T4 ...
  • 26.6k
2 votes

Does a lens adaptor exist to put a non-digital OM lens on an F mount camera?

The Nikon F-mount has a registration distance (the distance between the flange ring on the front of the camera and the sensor or film plane) of 46.5mm. The Olympus OM mount has a registration distance ...
  • 170k
2 votes
Accepted

Can I turn on automatically selecting a shutter speed for Sony A350 with M42 lenses? Looking for adapter M42 ↔ Sony A

It appears you are using a "plain" M42 adapter, i.e. a piece of machined metal without any electronic components that enables the M42 lens to screw onto the Sony camera body, e.g. like this ...
1 vote
Accepted

Camera lens bayonet question

Using older lenses (crateloads of cheap ones, or expensive specialties) on MFT or other mirrorless cameras with adapters is almost a hobby in itself. HOWEVER, not having at least a kit lens native to ...
1 vote

Will a professional PL s35 anamorphic lens cover a fuji sensor and provide proper squeeze?

Whether the sensor is covered depends on the size of the imaging circle. This is independent of whether an (optics-free) adapter is involved. (Teleconverters and focal reducers change the size of the ...
  • 26.6k
1 vote

Does a lens adaptor exist to put a non-digital OM lens on an F mount camera?

Possibly. Adapting Olympus OM mount to Nikon F is a little fraught since the Nikon F mount is deeper (46.5mm) than OM (46mm). So you can't use a simple adapter ring without losing some focus range at ...
  • 49.9k
1 vote

Does a lens adaptor exist to put a non-digital OM lens on an F mount camera?

Yes. Technically. Your Nikon D3100 is a DX Nikon F mount camera. You suggest that your Sigma Mirror Reflex Lens 8/600mm f/8.0 might be an Olympus OM mount. Adapters for old lenses to modern mounts are ...

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