Find the Kodak film that fits your camera and subject, with prices for in-stock 8x10 and 4x5 sheets plus 35mm black-and-white bulk rolls.
8x10 color negatives for portraits
The Kodak Portra 400 Color Negative Film (8x10in, 10 Sheets) costs $325 for 10 sheets. It is the color-negative choice in this selection for an 8x10 camera, with a rated speed of ISO 400. For portrait and fashion photography in that format, Kodak's emphasis on natural skin-tone reproduction is its main distinction.
Portra 400 uses Kodak Vision Film Technology. Kodak describes fine grain for a high-speed color-negative film, along with smooth reproduction across the full range of skin tones. The maker also emphasizes color saturation across a wide range of lighting conditions. Its stated applications extend beyond portraits to outdoor photography where lighting cannot be controlled.
ISO 400 helps when a faster shutter speed matters or there is less light available. It does not change the format requirement: these are individual 8x10 sheets, not film for a 35mm camera. The other 8x10 option in this guide is black-and-white. Decide which kind of negative the work requires before comparing box prices; these are different materials, not competing quantities of the same film.
Black-and-white sheets in 4x5 and 8x10
The Kodak Tri-X 320 Black and White Negative Film (4x5in, 50 Sheets) costs $205. The Kodak Tri-X 320 Black and White Negative Film (8x10in, 10 Sheets) costs $179. Both are 320-speed black-and-white sheet films. Camera format determines which box belongs in the bag.
Kodak describes the 4x5 stock as fine-grained and highly sharp, with medium contrast. It recommends the film for low-flare interior lighting and flash illumination, as well as outdoor portraiture with low-contrast backlighting. That makes it a relevant choice for large-format portrait photographers who want black-and-white negatives rather than Portra's color rendition.
The 4x5 film's stated uses also include dimly lit subjects and fast action. Its speed can help retain a faster shutter speed when the aperture is stopped down for depth of field. Those are exposure advantages, not a reason to disregard the lighting conditions Kodak specifically recommends.
For the 8x10 version, Kodak lists wide exposure latitude and smooth tonal gradations. It uses standard black-and-white film processing, and the film can be retouched on either the base or emulsion side. Its portrait recommendations include controlled interior lighting and low-contrast outdoor conditions. The package distinction matters: the 4x5 box contains 50 sheets, while the 8x10 box contains 10. The lower box price does not mean more film exposures.
ISO 400 black-and-white in a 100-foot roll
The Kodak Tri-X 400 Black and White Negative Film (35mm, 100ft Roll) costs $199. This is a bulk supply of ISO 400 film, not a single ready-to-load cartridge. It suits 35mm black-and-white photographers who plan to bulk-load and need more speed than the ISO 100 option below.
Kodak lists a classic grain structure suited to low light and action, along with fine grain and high sharpness. It also specifies wide exposure latitude. Those characteristics make this the bulk-film choice here for work where the available light can change and maintaining shutter speed matters.
Kodak states a maximum push exposure index of EI 1600. ISO 400 remains the film's rated speed; EI 1600 describes the higher exposure index specified for push use, not a different native speed.
The 100-foot length is a purchasing-format decision as much as a photographic one. Choose it when bulk loading is part of the plan. Its price should not be read as the price of an individual cartridge.
ISO 100 bulk film for fine detail
The Kodak TMX402 35x100ft (100) costs $189. It is a 100-foot supply of 35mm T-MAX 100 black-and-white negative film. Kodak rates it at ISO 100, two stops below the ISO 400 Tri-X bulk roll. At the same aperture and in the same light, that means a shutter time four times as long.
The reason to accept that lower speed is the film's emphasis on detail. Kodak uses its T-Grain Emulsion and lists extremely fine grain with very high resolving power. It also specifies extremely high sharpness and suitability for a high degree of enlargement. Detailed, stationary subjects are a sensible fit when sufficient light or a longer exposure is available.
Kodak also recommends this film for copying black-and-white photographs and making black-and-white copies from color transparencies. Those applications distinguish its intended role from Tri-X 400's low-light and action emphasis.
According to Kodak, the 100-foot length produces approximately 18–20 rolls of 36 exposures. That is an estimated bulk-loading yield, not a package of finished cartridges. Choose this stock when fine detail takes priority and ISO 100 gives enough exposure flexibility for the subject.
A printing kit, not camera film
The Kodak Apex 7000 Print Kit 6R costs $149. It belongs to the printing side of the purchase, not the camera-loading side. It is not an alternative to any of the negative films above.
Kodak describes the Apex printing approach as eliminating water and processing chemicals, reducing chemical storage and disposal requirements. It also removes the need for silver recovery and for energy used to maintain chemistry or dry paper. Those are printing-system considerations, not film-speed or grain characteristics. Consider this item for an Apex 7000 printing setup; leave it out of the comparison when choosing film to expose in a camera.
How to choose Kodak film
- For 8x10 color portrait or fashion work: choose Portra 400. It is the color-negative option here, with ISO 400 speed and Kodak's emphasis on natural skin tones.
- For large-format black-and-white portraits: choose Tri-X 320 in the camera's sheet size. The 4x5 pack supplies 50 sheets; the 8x10 pack supplies 10.
- For 35mm bulk loading in low light or for action: choose Tri-X 400. Its ISO 400 rating and stated push option to EI 1600 separate it from the slower bulk stock.
- For detailed subjects and substantial enlargement from 35mm: choose TMX402, the T-MAX 100 bulk roll. Its fine-grain emphasis comes with an ISO 100 exposure requirement.
- For an Apex 7000 printing purchase: consider the Print Kit 6R separately. It does not supply camera film.
Prices at Unique Photo
- Kodak Portra 400 Color Negative Film (8x10in, 10 Sheets) 7523129: $325.00
- Kodak Tri-X 320 Black and White Negative Film (4x5in, 50 Sheets) 7520844: $205.00
- Kodak Tri-X 400 Black and White Negative Film (35mm, 100ft Roll) 7520869: $199.00
- Kodak TMX402 35x100ft (100): $189.00
- Kodak Tri-X 320 Black and White Negative Film (8x10in, 10 Sheets) 7523111: $179.00
- KODAK APEX 7000 PRINT KIT 6R 1140 PRINTS (1661925) (3952587)(8462004): $149.00
Prices as of November 12, 2026. Browse more: Large Format Film, Kodak at Unique Photo.
Frequently asked questions
Which Kodak film should I buy for 8x10 color portraits?
Kodak Portra 400 is the color-negative option in this selection. It is rated at ISO 400 and costs $325 for 10 sheets; Kodak recommends it for portrait and fashion photography.
Are these Kodak 35mm films ready-to-load cartridges?
No. Both Tri-X 400 and TMX402 are supplied as 100-foot bulk rolls. Kodak estimates that the TMX402 length produces approximately 18–20 rolls of 36 exposures.
What is the difference between the listed Tri-X 320 and Tri-X 400 films?
Tri-X 320 is offered here as 4x5 or 8x10 sheet film, while Tri-X 400 is a 35mm bulk roll. Their rated speeds are 320 and ISO 400 respectively. Kodak lists a maximum push exposure index of EI 1600 for the Tri-X 400 bulk film.
Should I choose Kodak T-MAX 100 or Tri-X 400?
Choose the TMX402 T-MAX 100 bulk roll for Kodak's emphasis on extremely fine grain, high resolving power and enlargement. Tri-X 400 provides a higher ISO rating, with Kodak identifying low light and action as suitable uses.