AstrHori 25mm F2.8 2X-5X Ultra Macro Lens for Nikon Z Mount User Manual

1. Kupu Whakataki

The AstrHori 25mm F2.8 2X-5X Ultra Macro Lens is a specialized manual focus lens designed for full-frame Nikon Z-mount mirrorless cameras. It offers a magnification range from 2X to 5X, allowing for detailed close-up photography of small subjects. This lens is engineered with an advanced optical system to deliver high-definition image quality and clarity, making it suitable for capturing intricate details often invisible to the naked eye.

Image: The AstrHori 25mm F2.8 Ultra Macro Lens, showcasing its design and purpose.

2. Ihirangi mokete

Before use, please verify that all items are present in the package:

• AstrHori 25mm F2.8 2X-5X Ultra Macro Lens
• Potae Karu o Mua
• Topanga Arata Whakamuri
• Pukapuka Kaiwhakamahi

Image: Contents of the AstrHori 25mm F2.8 Macro Lens package, including the lens, caps, and manual.

3. Tāutanga

To attach the AstrHori 25mm F2.8 Ultra Macro Lens to your Nikon Z-mount mirrorless camera, follow these steps:

1. Me mohio kua weto to kamera.
2. Remove the rear lens cap from the AstrHori lens and the body cap from your camera.
3. Whakahāngaihia te taupū whakapiri o te arotahi ki te taupū e hangai ana i te tinana o tō kāmera.
4. Rotate the lens clockwise until it clicks securely into place. Do not force the lens.
5. Tangohia te taupoki arotahi o mua. Kua rite tō arotahi inaianei mō te whakamahi.

Image: Diagram illustrating the installation of the lens on different camera mounts, including Nikon Z mount.

4. Nga Tohutohu Whakahaere

4.1 Whakatikatika Whakanui

This lens features a 2X to 5X magnification range. The magnification is adjusted by rotating the magnification ring on the lens barrel. There is no separate focus ring; focusing is achieved by adjusting the distance between the lens and the subject, or by using a macro focusing rail.

Image: Visual representation of 2X to 5X macro magnification, showing detailed views of a stag beetle's head and eye.

4.2 Mana Whakatūwhera

The lens has a maximum aperture of f/2.8 and a minimum of f/16, with 8 aperture blades. The aperture is adjusted manually using the clicked aperture ring on the lens. This allows for precise control over depth of field and exposure.

Image: Close-up of the clicked aperture ring on the lens, showing aperture values from 2.8 to 16.

4.3 Working Distance

The optimal working distance (distance between the front of the lens and the subject) for this macro lens is between 37.5mm and 45mm. This specific range facilitates easier lighting setup and subject arrangement for macro photography.

Image: A camera setup demonstrating the working distance for macro photography with the lens.

4.4 Depth of Field

The 25mm focal length of this lens provides a larger depth of field compared to other macro lenses at similar magnifications. This characteristic can reduce the need for extensive focus stacking in post-production, streamlining your workflow.

Image: A macro photograph of a spider on a leaf, illustrating the depth of field achieved with the 25mm focal length.

4.5 High Image Quality

The optical design, featuring 10 elements in 7 groups including 2 high-refractive index elements and 2 ED elements, ensures high-definition image quality. This construction minimizes aberrations and enhances detail reproduction, crucial for macro photography.

Image: An extremely detailed macro shot of an insect's mouthparts, demonstrating the high image quality at 5X magnification.

4.6 Ataata Hua i Muriview

5. Whakatakotoranga

Image: A diagram detailing the physical dimensions and key optical parameters of the AstrHori 25mm F2.8 Macro Lens.

Image: MTF (Modulation Transfer Function) charts at 2X and 5X magnification, along with a diagram of the lens's optical structure, highlighting high refractive and ED glass elements.

6. Compatible Camera Models (Nikon Z Mount)

This lens is designed for full-frame Nikon Z-mount mirrorless cameras. Compatible models include:

• Nikon Z5
• Nikon Z6
• Nikon Z7
• Nikon Z6II
• Nikon Z7II
• Nikon Z9
• Nikon Z30
• Nikon Z50
• Nikon Zfc

Image: A visual guide to compatible camera models for various mounts, including a section specifically for Nikon Z mount cameras.

7. Tiaki

Proper care and maintenance will extend the life and performance of your lens:

• Te horoi i te Arotahi: Use a soft, lint-free cloth or a lens brush to remove dust. For smudges or fingerprints, use a specialized lens cleaning solution and a microfiber cloth. Avoid harsh chemicals or abrasive materials.
• Rokiroki: Store the lens in a dry, cool place away from direct sunlight and extreme temperatures. Use both front and rear lens caps when not in use to protect the glass elements.
• Te whakahaere: Avoid dropping or subjecting the lens to strong impacts. When mounting or unmounting, hold the lens firmly and avoid touching the glass elements.

8. Te Raru

If you encounter issues with your AstrHori 25mm F2.8 Ultra Macro Lens, consider the following:

• He rangirua te ahua: Ensure the lens is correctly mounted and securely attached. Verify that you are within the optimal working distance (37.5mm-45mm) for your desired magnification. Adjust the magnification ring and fine-tune the distance to the subject.
• Exposure issues: As this is a manual lens, adjust your camera's ISO, shutter speed, and the lens's aperture (f/2.8-f/16) to achieve correct exposure. Consider using external lighting for macro photography.
• Arotahi kaore e mohiotia e te kamera: This is a fully manual lens and does not transmit electronic information to the camera. Ensure your camera is set to shoot without a lens (often called 'Release shutter without lens' or similar in camera settings).

9. Pūtāhui me te Tautoko

The AstrHori 25mm F2.8 2X-5X Ultra Macro Lens comes with a manufacturer's warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included in your package or contact AstrHori customer service directly through their official webte waahi, te kaihokohoko ranei i hokona ai te hua.