Tamron 23fm12 C-mount 12mm Fixed Focal Lens
- Product Code: ga217131
-
Specifically designed for factory automation and machine vision applications, Tamron's 23FM12 2/3 12mm F/1.8 lens features a solid construction to endure long periods of use in vibrating conditions encountered in a factory automation environment. Compact in size, this high resolution lens is designed to fit today's machinery dimensions and uses superior optics to maintain sharp clarity in a focusing range of less than 0.3m.
Parameters | |
---|---|
Focal Length | 12mm |
Mount Type | C |
Iris Range | F1.8 - 16 |
Iris Operation | Manual |
Focus Operation | Manual |
Angle of View | 1/3": 22.4° x 16.6° 1/2": 30.0° x 22.4° 2/3": 40.9° x 30.9° |
Effective Diameter | 11.7mm/8.0mm |
Minimum Object Distance (M.O.D.) | 10.2" (0.26m) |
Back Focus | 11.03mm (in air) |
Filter Size | M25.5 P=0.5 |
Maximum Diameter | 1.1" (29mm) |
Overall Length | 1.1" (27mm) |
Weight | 1.4 oz (40 g) |
Packaging Info | |
Package Weight | 0.15 lb |
Box Dimensions (LxWxH) | 2.9 x 2.8 x 1.8" |
Designed to endure the rigors of factory automation apparatus, this solid built lens maintains maximum performance even after long periods of use.
Uses superior optics to achieve a Minimum Object Distance requirement of less than 0.3m.
A compact size ensures compatibility with today's machinery dimensional requirements.
With a filter size of M25.5 Po.5, this lens readily accepts UV, polarizer, red, green, and blue filters.
Related Questions and Answers
Q: 1. will it fit sony a 6000?
A: I love this lens... It fit and works wonderful with the Sony@6000. The colors you get from this lens are amazing.Love it...
Q: 2. Will this fit my Olympus E-M5?
A: Yes, the Rokinon 12mm f/2.0 NCS CS lens for MFT cameras will work on the Olympus OM-D E-M5 camera.
Q: 3. Does this lens will work on a Blackmagic Pocket Cinema Camera?
A: Yes! I bought it for that reason.
Q: 4. Would I benefit by using this just for stills?
A: While this is a Cinema lens with Geared Focus and Aperture Control Rings, you will still be able to shoot still photos with it.
Q: 5. What are some good ND filters as I have purchased one but don't have anything to help fight being overexposed while shooting outside at a wide open aperture in order to get nice bokeh?I am currently shooting on the BMPCC.
A: This lens takes 67mm filters. I suggest for video an ND 9 which is 3 stops of light blockage.Neutral Density filters traditionally are rated: ND 3 is 1 stop, ND 6 is 2 stops, ND 9 is 3 stops and ND 1.2 is 4 stops. You can buy separate filters for each of these strengths or you may choose a variable ND. These work by rotating a sandwich of two polarizing filters. The great convenience is that you have all your ND filters in just one. I prefer solid ND over variable ND filters for their evenness of effect. However, there are others who are completely satisfied with variable ND's. Here is a link to what are the best selling variable ND's.http://bhpho.to/1NISmRFHere is a link to 67mm best selling solid ND's I can suggest.http://bhpho.to/1KL7M8xPersonally, I like B+W for their quality. Read the B&H customer reviews for further guidance as for what is best for you.Finally, here is a B&H guide to using ND filters.http://bhpho.to/1RgawjL
Q: 6. Would this work on the Fujifilm X-T2?
A: The Fuji camera has the Fuji X lens mount, this lens is M43 mount, so you would need an adaptor; I don't think one exists. Although this Rokinon says it covers APS-C sensors, it may be impossible to get the M43 lens close enough to the sensor with an adaptor (which may be why adaptors don't seem to exist). So, short answer: no.
Q: 7. Is there any disadvantage to buying this lens and using for stills? I like the clickless aperture for video and don't mind the non-fixed f stops.
A: The disadvantage is using it in scenarios where you have to change focus very often and needing metadata. I'm using this lens primarily for stills...something like 80/20 photos/videos. I have zero issues with the lens. While an auto lens would have been helpful--and very much more expensive for a fast lens--I pretty much always shoot on a tripod, aperture priority (or manual) using the full range of T/f stops, at ISO 100. I certainly like the smooth cine T stops (whatever they are called). This lens compliments my use of late 70's Mamiya SLR lenses (using an adapter) on my Sony A6000. It does take a bit of time and practice shooting without auto functions (just like the old days with film). My main use is in real estate, architecture, and landscape imagery.I'm very please with this lens and I would recommend it for the budget conscious or patient photo/videographer.
Q: 8. does this lens autofocus?
A: No, you have to do it manually.
Q: 9. Works on the g7 I assume?
A: Works GREAT on the G7! One of my favorite lenses.
Q: 10. Will this lens fit on a Canon 6d? Full frame sensor.
A: No. I order it by mistake.
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