1. Kirish
The ILFORD MULTIGRADE FB CLASSIC is a premium quality, variable contrast, black and white photographic paper designed for darkroom printing. It is coated onto a 255g/m² fibre base and features a white base tint. This paper is known for producing prints with rich blacks, excellent tonal rendition, and overall superior appearance. It is versatile, easy to work with, and well-suited for toning applications, particularly on its glossy surface.
1-rasm: Ilford Multigrade FB Classic Enlarging Paper, 11x14 inch, 50 sheets, Glossy. This image shows the product packaging, a white box with the "ILFORD" logo prominently displayed, and a sample black and white photograph on the front.
2. Setup and Darkroom Environment
Proper darkroom setup is crucial for achieving optimal results with Ilford Multigrade FB Classic paper.
2.1 Safelight Conditions
This paper is suitable for use with most common darkroom safelights equipped with an ILFORD 902 safelight filter or a similar amber/orange filter. The recommended maximum lamp vattage is 15W, and the safelight should be positioned at least 1 meter (3 feet) from the paper. Always perform a safelight test to ensure no fogging occurs, especially if using a new safelight or working in an unfamiliar darkroom.
2.2 Ishlash va saqlash
- Handle paper by the edges to avoid fingerprints, creases, or scratches on the emulsion surface.
- Store unused paper in its original packaging, sealed, in a cool, dry place away from direct light and chemical fumes.
- Avoid exposing paper to high temperatures or humidity, as this can affect its photographic properties.
3. Foydalanish bo'yicha ko'rsatmalar
This section outlines the general steps for exposing and processing Ilford Multigrade FB Classic paper.
3.1 ta'sir qilish
Ilford Multigrade FB Classic is a variable contrast paper, meaning its contrast can be controlled by using ILFORD MULTIGRADE filters or a variable contrast enlarger head.
- Sinov chiziqlari: Always make test strips to determine the correct exposure time for your negative and desired print density.
- Filtrlar: Use ILFORD MULTIGRADE filters (grades 00-5) to adjust contrast. Lower numbers (00-1) yield softer contrast, while higher numbers (4-5) yield harder contrast.
- Enlarger Settings: Ensure your enlarger is properly focused and aligned.
3.2 Processing Steps
Process the paper using standard black and white photographic chemicals. Maintain consistent temperatures for all solutions.
- Dasturchi: Immerse the exposed paper completely in a suitable black and white paper developer (e.g., ILFORD MULTIGRADE Developer). Agitate continuously for the first 10-15 seconds, then intermittently. Recommended development time is typically 60-120 seconds at 20°C (68°F), but refer to your developer's instructions.
- Stop Bath: Transfer the print to an acid stop bath (e.g., ILFORD ILFOSTOP) for 10-30 seconds with agitation. This halts development and prolongs the life of the fixer.
- Tuzatuvchi: Place the print in a rapid fixer (e.g., ILFORD RAPID FIXER). Fixation time is usually 30-60 seconds for fibre-based papers, but consult the fixer's instructions. Ensure complete fixation to prevent staining and fading.
- Yuvish: Wash prints thoroughly to remove residual chemicals. For fibre-based papers, this is a critical step. Use a dedicated print washer or multiple changes of fresh water. A typical wash time for fibre-based papers is 30-60 minutes in running water, or using a hypo-clearing agent (e.g., ILFORD WASHAID) can reduce wash times significantly.
- Quritish: Dry prints face up on screens, or use a print dryer. Fibre-based papers tend to curl when dry; this can be mitigated by flattening techniques after drying.
4. Xizmat va parvarish
Proper care of your prints and unused paper ensures longevity and consistent quality.
- Print Storage: Store finished, dried prints in archival sleeves or boxes to protect them from dust, light, and environmental pollutants.
- Kimyoviy boshqaruv: Always use fresh, properly mixed chemicals. Exhausted or contaminated chemicals can lead to poor print quality and staining.
- Darkroom Cleanliness: Keep your darkroom clean and free of dust, which can settle on negatives or paper during exposure.
5. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
This section addresses common issues encountered during darkroom printing with photographic paper.
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| Print is too dark/overexposed | Exposure time too long; enlarger aperture too wide. | Reduce exposure time or close down enlarger aperture. |
| Print is too light/underexposed | Exposure time too short; enlarger aperture too narrow. | Increase exposure time or open up enlarger aperture. |
| Low contrast (flat print) | Incorrect filter used (too low a grade); exhausted developer; underexposed negative. | Use a higher contrast filter (e.g., Grade 3 or 4); replace developer; re-expose negative. |
| High contrast (blocked shadows/highlights) | Incorrect filter used (too high a grade); overdeveloped negative. | Use a lower contrast filter (e.g., Grade 1 or 2); adjust negative development. |
| Fogging (overall grayness) | Safelight too bright or too close; unsafe safelight filter; light leak in darkroom; old/improperly stored paper. | Check safelight safety; inspect darkroom for light leaks; use fresh paper. |
| Stains or uneven development | Insufficient agitation; exhausted chemicals; contaminated chemicals; improper washing. | Ensure proper agitation; use fresh chemicals; maintain cleanliness; wash thoroughly. |
6. Texnik shartlar
| Xususiyat | Tafsilot |
|---|---|
| Brend | Ilford |
| Model raqami | MGFB1K11X1450 |
| Mahsulot o'lchamlari | 14.9 x 11.8 x 1.2 dyuym |
| Element og'irligi | 4.1 funt |
| Material turi | Qog'oz |
| Varaq hajmi | 11 x 14 dyuym |
| Qog'oz tugatish | Coated, Glossy |
| Baza turi | Fibre Base (255g/m²) |
| Sheets per Pack | 50 |
| Contrast Type | Variable Contrast |
| Birinchi mavjud sana | 7 yil 2013 dekabr |
7. Qo'llab-quvvatlash va qo'shimcha ma'lumotlar
For additional technical data, safety information, or specific queries regarding Ilford Multigrade FB Classic paper, please refer to the official Ilford website or contact Ilford customer support.
Official Ilford Websayt: www.ilfordphoto.com
While this product is designed for reliability, specific issues not covered in this manual may require direct assistance from the manufacturer.
