1. Uvod
This manual provides detailed instructions for the proper use and care of your VILTROX AF 25mm F1.7 Z-Mount lens. Designed for Nikon Z-mount APS-C cameras, this lens offers a bright f/1.7 aperture and fast autofocus, making it suitable for various photographic applications. Please read this manual thoroughly before using the lens to ensure optimal performance and longevity.
2. Značajke proizvoda
- Svijetli otvor blende f/1.7: Enables excellent low-light performance and produces pleasing background blur (bokeh), ideal for portraits and creative photography.
- Optimizovani optički dizajn: Features 12 elements in 10 groups, including 2 High Refractive (HR) elements, 1 Extra-low Dispersion (ED) element, and 2 Aspherical (ASPH) elements. This design minimizes chromatic aberrations, distortion, and flare for high image quality.
- 38 mm ekvivalentna žižna daljina: Provides a natural perspective on APS-C sensors, suitable for landscapes, portraits, and general everyday shooting.
- Brzi autofokus i disanje pri niskom fokusu: Equipped with a new STM motor for quick, precise, and quiet autofocus. Minimized focus breathing ensures stable framing during video recording.
- Kompaktan i lagan dizajn: Weighs approximately 180g, enhancing portability for photographers on the go.
- 0.3m Minimum Focusing Distance: Allows for detailed close-up shots, expanding the lens's versatility.
3. Šta se nalazi u kutiji

The image above displays the typical contents included with your VILTROX AF 25mm F1.7 Z-Mount lens package.
- VILTROX AF 25mm F1.7 Z-Mount Lens
- Prednji poklopac objektiva
- Poklopac stražnjeg sočiva
- Sjenilo
- Torbica za objektiv
- Garantni list
- Uputstvo za upotrebu (ovaj dokument)
4. Podešavanje
4.1 Pričvršćivanje objektiva na kameru
- Provjerite je li vaša kamera isključena.
- Remove the rear lens cap from the VILTROX 25mm F1.7 Z lens and the body cap from your Nikon Z-mount camera.
- Align the white dot on the lens barrel with the white dot on your camera's lens mount.
- Umetnite objektiv u nosač kamere i okrećite ga u smjeru kazaljke na satu dok ne klikne na mjesto. Nemojte silom pritiskati objektiv.

This image shows the VILTROX 25mm F1.7 Z lens correctly attached to a Nikon Z-series camera body, ready for use.
4.2 Uklanjanje sočiva
- Provjerite je li vaša kamera isključena.
- Pritisnite i držite dugme za otpuštanje objektiva na kućištu fotoaparata.
- Okrenite objektiv suprotno od smjera kazaljke na satu dok se ne odvoji od nosača kamere.
- Odmah pričvrstite zadnji poklopac objektiva na objektiv i poklopac tijela na fotoaparat kako biste zaštitili senzore i elemente objektiva od prašine.
4.3 Pričvršćivanje sjenila objektiva
The included lens hood helps to prevent flare and ghosting caused by stray light entering the lens. Align the lens hood with the front of the lens and twist it until it locks into place. Ensure it is securely attached.
4.4 Ažuriranja firmvera
The lens features a USB-C port on its mount for firmware updates. Connect the lens to a computer using a USB-C cable and visit the official VILTROX website for the latest firmware and update instructions. Keeping your lens firmware updated ensures compatibility and optimal performance.

This image highlights the metal lens mount and the USB-C port located on the rear of the lens, used for firmware updates.
5. Upravljanje objektivom
5.1 Autofocus (AF)
The VILTROX 25mm F1.7 Z lens is equipped with an STM stepping motor, providing fast, precise, and quiet autofocus performance. To use autofocus, set your camera's focus mode to AF. The lens supports various AF modes available on your Nikon Z camera, including single-shot AF (AF-S) and continuous AF (AF-C).

The lens is designed to be lightweight and compact, making it easy to handle and operate for extended periods.
5.2 Manual Focus (MF)
To use manual focus, set your camera's focus mode to MF. Rotate the focus ring on the lens to adjust focus. Your camera's focus peaking and magnification features can assist in achieving critical focus.
5.3 Kontrola otvora blende
The lens features a bright f/1.7 maximum aperture. Aperture is controlled electronically through your camera body. Adjusting the aperture allows you to control the depth of field and the amount of light entering the lens.
5.4 Focus Breathing
This lens is designed with minimized focus breathing, which means the angle of view remains largely consistent when adjusting focus. This feature is particularly beneficial for video recording, preventing distracting changes in framing.
5.5 Sampslike


6. Održavanje
6.1 Čišćenje objektiva
- Koristite četku za puhanje kako biste uklonili prašinu i rastresite čestice s površine objektiva.
- For smudges or fingerprints, use a clean microfiber cloth specifically designed for optics, along with a small amount of lens cleaning solution. Apply the solution to the cloth, not directly to the lens.
- Nježno obrišite kružnim pokretima od centra prema van.
- Avoid touching the lens elements with your fingers.
6.2 Skladištenje
- Uvijek pričvrstite prednji i zadnji poklopac objektiva kada se objektiv ne koristi.
- Čuvajte objektiv na hladnom i suhom mjestu, dalje od direktne sunčeve svjetlosti i ekstremnih temperatura.
- Ako skladištite duže vrijeme, razmislite o korištenju ormara za odvlaživanje ili vrećica silika gela kako biste spriječili rast plijesni i gljivica.
7. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Kamera ne prepoznaje objektiv | Improper mounting; dirty electrical contacts; outdated firmware. | Re-mount the lens securely; clean lens and camera contacts with a dry cloth; check for and install latest firmware. |
| Autofokus je spor ili netačan | Low light conditions; camera AF settings; dirty lens elements; outdated firmware. | Ensure adequate lighting; check camera AF mode (e.g., switch to AF-S for still subjects); clean lens; update firmware. |
| Images are blurry or soft | Incorrect focus; camera shake; dirty lens; shooting at extreme apertures. | Verify focus; use a faster shutter speed or tripod; clean lens; try shooting at f/2.8 or f/4 for optimal sharpness. |
| Lens not focusing in manual mode | Camera still in autofocus mode. | Set camera's focus mode to MF (Manual Focus). |
8. Specifikacije
| Feature | Detalj |
|---|---|
| Broj modela | 25mmF1.7STM(Z-mount) |
| Focal Length | 25mm (38mm equivalent on APS-C) |
| Maksimalni otvor blende | f/1.7 |
| Minimalni otvor blende | f/16 |
| Montaža za objektiv | Nikon Z |
| Kompatibilnost formata | APS-C |
| Optički dizajn | 12 Elements in 10 Groups (including HR, ED, ASPH elements) |
| Motor za automatsko fokusiranje | STM (Stepping Motor) |
| Minimalna udaljenost fokusa | 0.3m (1 ft) |
| Veličina filtera | 52mm |
| Dimenzije (promjer x dužina) | 2.22 x 2.52 x 2.52 inča (približno) |
| Težina | 180 g (6.3 unci) |
| Port za ažuriranje firmvera | USB-C |


9. Zvanični videozapisi proizvoda
9.1 VILTROX 25mm f1.7 Z Lens Overview
Ovaj video pruža kratak pregledview and unboxing of the VILTROX AF 25mm F1.7 Z-Mount lens, demonstrating its compact size and how it attaches to a camera.
9.2 AF 25mm F1.7 Air Z Nikon Half-Frame Humanities Lens Showcase
This video showcases the VILTROX AF 25mm F1.7 Air Z lens, highlighting its features and providing examples of its use in various photographic scenarios, including humanities and street photography.
10. Garancija i podrška
VILTROX products are covered by a limited warranty. For specific warranty terms, registration, and technical support, please refer to the warranty card included in your product packaging or visit the official VILTROX website. If you encounter any issues not covered in this manual, please contact VILTROX customer service for assistance.
Zvanični VILTROX Webstranica: www.viltrox.com





