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Opteka
Opteka 12mm f/2.8 HD MC Manual Focus Lens Fuji X Mount
A 12 mm manual-focus wide-angle lens for Fuji X APS-C cameras with a 99° diagonal view, f/2.8 maximum aperture and 9-blade diaphragm
- PartCompact ILC Lenses
- TypeFixed Length Lens
- ColorBlack
- Diameter72mm
- CompatibilityMicro Four Thirds System
- Focus TypeManual Focus
- Ultra-wide 99° diagonal view captures expansive scenes with 12 mm focal length
- Bright f/2.8 maximum aperture enables low-light shooting and shallow depth of field
- HD anti-reflection coating on 12 elements in 10 groups reduces flare and ghosting
- Smooth clickless aperture ring with 9-blade diaphragm creates pleasing background blur
- Close 3.9 in (9.9 cm) minimum focus distance allows detailed near-subject work
Wide-angle lens for Fuji X APS-C
This 12 mm f/2.8 prime covers a 99-degree diagonal angle of view on Micro Four Thirds and an 18 mm equivalent on Fuji APS-C bodies. It targets photographers who want expansive architectural, interior or landscape frames without autofocus. The all-metal barrel and HD anti-reflection coating aim to deliver contrast-rich, colour-accurate images.
Manual installation with clickless aperture
Mounting is a simple bayonet twist onto any Fuji X camera; no electronic contacts mean no firmware updates or focus calibration. The clickless aperture ring and ridged focus ring give smooth, silent control for video, but users unfamiliar with zone focusing may miss focus at wider apertures. The 72 mm filter thread accepts standard circular filters without vignetting.
Consistent sharpness during extended sessions
The 12-element, 10-group design with one super-low dispersion element suppresses chromatic and spherical aberration across the aperture range. Stopped down to f/5.6, depth of field extends from 1.4 feet to infinity, letting landscape shooters work all day without refocusing. The lightweight 13.4 oz construction and metal housing resist thermal drift, maintaining optical alignment during long exposures or time-lapse sequences.
Highlights
- Ultra-wide 99° diagonal view captures expansive scenes with 12 mm focal length
- Bright f/2.8 maximum aperture enables low-light shooting and shallow depth of field
- HD anti-reflection coating on 12 elements in 10 groups reduces flare and ghosting
- Smooth clickless aperture ring with 9-blade diaphragm creates pleasing background blur
- Close 3.9 in (9.9 cm) minimum focus distance allows detailed near-subject work
Specifications
| Brand | Opteka |
|---|---|
| Model | OPTM1228F |
| Part | Compact ILC Lenses |
| Type | Fixed Length Lens |
| Color | Black |
| Diameter | 72mm |
| Compatibility | Micro Four Thirds System |
| Focus Type | Manual Focus |
| Focal Length | 12 mm |
| Aperture | Maximum: f/2.8 Minimum: f/22 |
| Camera Mount | Fujifilm X mount |
| Minimum Focus Distance | 3.9 in. |
| Lens Construction | 12 elements in 10 groups |
| Filter thread (Diameter) | 72 mm |
| Specifications | Clickless aperture control ring enables smooth adjustments during shooting -- Great for architectural, interior, and landscape photography |
| Autofocus | No |
| Features | 9-blade aperture diaphragm delivers beautiful, soft backgrounds -- 3.9-inch (9.9cm) minimum focusing distance |
| Weight | 13.4 oz |
Questions about this item
How can I verify the lens is focusing correctly after mounting it on my Fuji X camera?
Set the aperture ring to f/5.6 and confirm that subjects from 1.4 feet to infinity appear sharp in the viewfinder or on the rear screen.
What accessories are included and which must be purchased separately?
The box contains the lens, front and rear caps, and an ultra-soft nylon pouch with protective lining; filters matching the 72 mm thread are sold separately.
Which focal length should I expect on my APS-C Fuji body — 12 mm or 18 mm?
The lens is a 12 mm optic; on Fuji APS-C sensors it provides an 18 mm equivalent field of view with a 99-degree diagonal angle.
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