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12 votes

Cutting lens filter/accessory threads

In addition to filter diameter, you need to specify the thread pitch, the linear (axial) distance the filter, screw, etc. travels for one (or more) full rotations of the thread. For SAE (or SAE-...
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Can I use a D.O. Industries Navitron 50mm f0.95 lens on a Nikon Camera?

No. There are several problems here. This lens looks a lot like the Senko 50mm f/0.95, i.e., it is a C-mount lens for 1" format video. This lens vignettes even on micro four-thirds (2x crop). There's ...
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7 votes

Does a micro SD–to–SD card adapter affect the write speed of micro SD cards?

Micro SD to SD adaptors are just passive wiring adaptors. So they should not have any impact on speed.
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6 votes

Circular Polarizing filter in different lenses. Whether to use adapters or buy new filters?

Adaptors to reduce the filter thread of a lens are a bad idea. They cause vignetting (dark areas in the corners). You might get away with a reduction of 2mm as different brands standardise on ...
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6 votes

Should I use a SD to CF adapter in my older camera?

The primary advantage of the former is that it avoids necessitating the purchase of a CF-USB adapter to upload photos to my computer (and from thence to my hardrive). If this is your main reason then ...
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5 votes

What adapter do I need to mount lenses for Chinon CM-5 on my Canon EOS 1100D?

The Chinon CM-5 uses a Pentax K mount and there are adapters available for about $15 to mount these lenses on your Canon 1100D. Mike Butkus Camera Manual Library Fotodiox Adapter
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Can I put different lenses with a lens adapter on a point and shoot?

No. The L830 does not have a filter thread, and no accessory tube with which to attach a filter to the front of the lens. Any fixed-lens P&S cannot swap lenses, but can only really take a filter ...
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4 votes
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Do focal length changing lens adapters affect the F-stop of a lens?

The ratio f/2.8 means the diameter of the entrance pupil is equal to the focal length divided by 2.8. The key thing to note about the above is that the entrance pupil is the image of the aperture ...
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Can I use a D.O. Industries Navitron 50mm f0.95 lens on a Nikon Camera?

No, because the register (distance from the mounting flange of the lens to the sensor plane) is quite short.
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4 votes
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Lightroom 6 and "Hardware acceleration"

Firstly check that in the AMD panel you can configure which graphic card is used when Lightroom is started. Perhaps disable one of the graphic cards before starting Lightroom. Moreover, a good ...
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4 votes

Can I adapt a Minolta AF-mount Tamron zoom lens for use on a Canon or Nikon DSLR?

Consider Sony A-mount Your Tamron lens is Minolta AF mount. This is, in fact, the same lens mount that Sony's A-mount SLT cameras use, so if it's absolutely imperative that you use this lens, Sony's A-...
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4 votes

What setting does my nikon 5300 have to be on to use my spotter scope?

It is a "non-CPU lens". The camera must be in camera Manual mode M. Exposure settings are manual. The scope is of course manual focus. See D5300 REFERENCE manual, page 228. The REFERENCE manual is ...
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Soligor to Canon Adapter

Most Soligor mirror lenses have a T2 mount. To use one with your Canon EOS 5D (or any other Canon EOS camera) you need a T2 to EF adapter. Realize that you will need to manually focus and shoot in ...
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Is there an adapter to allow a camera to control focus or aperture of a manual focus & aperture lens?

No, there is no such adapter. The Rokinon lens a manual-focus, manual-aperture lens. It does not have a built-in focus motor, nor can it interface with a focus motor in a camera body that might have ...
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Can I use APS-C Pentax K mount lenses on Canon EOS 90D?

If you want to continue using your seven Pentax lenses, your best option would be to upgrade to a better Pentax camera. There are mechanical adapters that allow Pentax K-mount lenses to be the ...
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Is there a difference between getting a Rokinon with MFT mount vs Nikon mount + MFT adapter?

For the most part, aside from the added instability and possible added variance in adapter thickness when stacking adapters, you're correct, but there are exceptions. Not all the Samyang lenses for ...
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Nikon D3200 battery drain out quickly

If the charger is not indicating a full charge by displaying a constant light but blinks at a higher frequency after about an hour then the battery appears to not yet be fully charged. If you are only ...
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Does Pentax make a lens adapter to fit Olympus lenses?

Pentax doesn't, because Pentax doesn't make any adaptors for other people's lenses. However, assuming this is an old Olympus OM lens, you can get a third-party adaptor — for example, this $40 one from ...
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How can I use a vintage M42 manual prime on an entry Nikon DSLR?

Nikon DSLRs do not play well with M42 lenses, as flange focal distance (46.5 mm) of Nikon F-mount is longer than on the original M42 cameras (45.46 mm). The lens was designed to sit closer to imaging ...
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3 votes

How can I use a vintage M42 manual prime on an entry Nikon DSLR?

In manual mode I can not select the aperture but only shutter speed and exposure. That's correct. The M42 mount doesn't have any provisions for the lens to interact with the camera in either ...
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3 votes

Helios 44-3 mounted on Canon 5D. Did I get the wrong adapter?

This thread on forum.mflenses.com concerns the same issue, and seems to answer the question. Poster SonicScot has the same problem and shows how it is caused by the focus ring extending further than ...
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3 votes

How can I remove a stuck adapter from a lens?

So the adapter is stuck on the lens, right? Understanding what's going on underneath might help. Here's a picture of a Nikon adapter and a Nikon lens. 3 things here: 1) The pin sticking up from ...
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3 votes

What is the mount on Vivitar lens with MIR printed on mount side?

I would venture to say that it's a Miranda Bayonet Mount. I use visual references and measurements to positively determine a mount. I would advise that you do the same before investing in another ...
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3 votes

What is the mount on Vivitar lens with MIR printed on mount side?

This is either a Vivitar T4 or TX series lens. T4 and TX lenses are interesting because they were designed to be mount-agnostic; that is, they have interchangeable mount adapters, so you could move ...
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Filter step-up ring sets - any with single target size?

It's possible that a retailer would package "X-to-77mm" step-up ring sets, but I've never seen such a set. However, for most photographers, it's not a hassle to get a dedicated "X-to-77mm" (or replace ...
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Prolong the lifespan of dslr shoe mount

Although not the primary purpose for which it is designed, something like this Hot Shoe-to-PC adapter will probably do what you want. Get it in whichever version matches your camera's hot shoe pin ...
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What is the mount on this Exakta 100-500mm f/5.6-8 MC Macro lens?

This is likely a Minolta SR mount, also called Minolta MD sometimes. For comparison you can see the mount of my Minolta MD Rokkor 45/2.0 lens: The gap in the metal on the left and the pin on the ...
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Nikon F mount Adaptable Lenses/Mounts with infinity focus

Is there any type of lenses that can be adapted to Nikon F mount(modern DSLR or old film) without any lens modifications, using just adapter and have fully functional lens with infinity focus. There ...
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3 votes

Has anyone had consistent success in using M42 lenses via adapter on the 5D MkIV?

I have used adapters for both Pentax M42 and Nikon lenses on my Canon EOS 5D Mk III. Some lenses will have mirror interference at infinity or long focus distances, where the rear element moves closer ...
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3 votes

Which DSLRs can be used with Minolta Auto Bellows I?

The Minolta Auto Bellows I has a Minolta SR mount. This mount is often referred to by its last revision, MD. The bellows can be used with any camera that has an MD adapter. These include Canon EF, ...
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