# item.guide
Side-by-Side Comparison Film Formats

4×5 Large Format Sheet Film vs. 8×10 Ultra-Large Format Sheet Film

Comparing 2 standards across 10 specifications. 10 key differences identified.

Comparing:
4×5 Large Format Sheet Film
8×10 Ultra-Large Format Sheet Film

4×5 Sheet Film (standardized under ISO 1010) is the benchmark large format photographic film standard, measuring exactly 3.90 × 4.90 inches (99.0 × 124.5 mm nominal for 4×5 inch film holders) with a massive 12,325 mm² active negative area (~14.3× larger than 35mm full frame). Loaded individually into dual-sided dark slides, it features edge notch codes for emulsion identification in total darkness.

View full 4×5 Large Format Sheet Film spec sheet →

8×10 Sheet Film (standardized under ISO 1010) is the pinnacle of ultra-large format analog photography, measuring 7.90 × 9.90 inches (200.5 × 251.5 mm nominal) with a gargantuan 50,425 mm² negative surface area (~58.4× larger than 35mm full frame). Famous for direct contact printing with zero enlargement grain in platinum/palladium and silver gelatin printing.

View full 8×10 Ultra-Large Format Sheet Film spec sheet →

Specification Comparison Table

10 Parameters
Parameter / Spec
Nominal Sheet Dimensions
3.90 × 4.90 in (99.0 × 124.5 mm ± 0.5 mm — sized to fit standard 4×5 film holders) 7.90 × 9.90 in (200.5 × 251.5 mm ± 0.8 mm)
Camera Systems
View cameras (Linhof Master Technika, Sinar P2, Wista 45, Chamonix 45F-2, Intrepid 4x5) Deardorff 8×10, Sinar 8×10, Wisner 8×10, Chamonix 810V, Canham 8×10
Active Negative Surface Area
Approx. 12,325 mm² (~14.26× the area of 35mm full frame)
Sheet Loading System
Loaded individually in dual-sided Fidelity Elite / Toyo 4×5 film holders inside a darkroom or changing tent
Edge Notch Code System
Die-cut triangular/curved notches in upper right corner identify film emulsion type and indicate light-sensitive side
Perspective Control
Full independent Scheimpflug plane-of-focus tilts, swings, rises, and shifts on view camera standards
Active Negative Area
Approx. 50,425 mm² (~58.36× the surface area of 35mm full frame)
Contact Printing Standard
Negatives are contact-printed 1:1 directly onto silver gelatin or platinum/palladium paper without an enlarger lens
Resolution Potential
Estimated 300 to 500+ megapixels equivalent resolving power under fine-grain developer
Legendary Practitioners
Ansel Adams (Group f/64), Edward Weston, Nicholas Nixon, Alec Soth