1. Introduction
Thank you for choosing the TTArtisan 25mm F2 Wide-Angle APS-C Camera Lens. This manual provides essential information for the proper use, setup, and maintenance of your new lens. Please read it thoroughly before use to ensure optimal performance and longevity of the product.
Image 1.1: Front view of the TTArtisan 25mm F2 lens.
2. Package Contents
Please verify that all items listed below are included in your package:
- TTArtisan 25mm F2 Lens
- Front Lens Cap
- Rear Lens Cap
- User Manual (this document)
- Warranty Card
Image 2.1: Included items in the product package.
3. Setup
3.1. Attaching the Lens to Your Camera
- Ensure your camera is powered off.
- Remove the rear lens cap from the TTArtisan 25mm F2 lens and the body cap from your camera.
- Align the mounting index (usually a white dot or line) on the lens with the corresponding index on your camera body.
- Insert the lens into the camera mount and rotate it clockwise until it clicks into place. Do not force the lens.
- Remove the front lens cap. Your lens is now ready for use.
3.2. Compatibility
This lens is designed for Fuji X-Mount APS-C mirrorless cameras. Compatible models include, but are not limited to:
- X-A1, X-A2, X-A3, X-A5, X-A7, X-A10
- X-M1, X-M2
- X-T1, X-T2, X-T3, X-T10, X-T20, X-T30, X-T100, X-T200
- X-H1
- X-Pro1, X-Pro2
- X-E1, X-E2, X-E2s
Image 3.1: The TTArtisan 25mm F2 lens attached to a camera body.
Image 3.2: Detailed compatibility chart for various camera mounts.
4. Operating the Lens
4.1. Manual Focus
This is a manual focus lens. To achieve sharp focus, rotate the focus ring located on the front of the lens. Many modern mirrorless cameras offer focus peaking or magnification assistance to aid in precise manual focusing.
4.2. Aperture Control
The lens features a manual aperture ring. Rotate this ring to select your desired aperture setting, ranging from F2 to F16. The F2 maximum aperture allows for:
- Improved Low-Light Performance: A wider aperture (smaller f-number) allows more light to reach the sensor, reducing noise in dimly lit environments.
- Shallow Depth of Field: Create images with a blurred background (bokeh) to isolate your subject.
4.3. Close-Up Functionality
The lens has a minimum focusing distance of 0.25 meters (approximately 9.8 inches). This allows for close-up photography, capturing details of small subjects like food or flowers.
5. Maintenance
- Cleaning the Lens: Use a soft, lint-free cloth or a lens brush to remove dust. For smudges, use a specialized lens cleaning solution and a microfiber cloth. Avoid touching the lens elements directly with your fingers.
- Storage: When not in use, keep the front and rear lens caps attached. Store the lens in a dry, cool place, away from direct sunlight and extreme temperatures. Consider using a desiccant to prevent mold growth in humid environments.
- Handling: Avoid dropping or subjecting the lens to strong impacts, which can damage internal components.
6. Troubleshooting
- Unsharp Images: Ensure proper manual focus. Utilize your camera's focus peaking or magnification features. Check that the aperture is set appropriately for your desired depth of field.
- Dark Corners (Vignetting): Vignetting, especially at wider apertures (e.g., F2), is a characteristic of some wide-angle lenses. This can often be corrected in post-processing software.
- Lens Not Mounting: Verify that the lens mount index aligns correctly with the camera body index. Ensure no obstructions are present. Do not force the lens.
- Dust on Sensor/Lens: If dust appears in your images, first clean the lens elements as described in the Maintenance section. If the issue persists, the dust may be on your camera's sensor, which may require professional cleaning or careful cleaning according to your camera's manual.
7. Specifications
Image 7.1: Lens dimensions and key specifications.
| Feature | Specification |
|---|---|
| Focal Length | 25mm |
| Maximum Aperture | F2 |
| Minimum Aperture | F16 |
| Lens Mount | Fuji X-Mount |
| Format Compatibility | APS-C |
| Angle of View | 61° |
| Optical Design | 7 Elements in 5 Groups |
| Diaphragm Blades | 7 |
| Minimum Focus Distance | 0.25m (9.8 inches) |
| Filter Size | 43mm |
| Focus Type | Manual Focus |
| Dimensions (Ø x L) | Approx. 59mm x 31mm |
| Weight | Approx. 166-189g (5.8-6.7 oz) |
7.1. Optical Design and MTF Chart
Image 7.2: Optical element diagram.
Image 7.3: MTF chart illustrating lens resolution and contrast.
8. Warranty and Support
For warranty information and customer support, please refer to the included warranty card or contact TTArtisan directly through their official website. Keep your purchase receipt as proof of purchase for any warranty claims.
