Film Iso

Posted on Thursday, July 1, 2010 in Photography

Fujifilm INSTAX MINI Twin Pack Instant Film
US $14.99

58mm Tele 2x+Wide 0.45x+Flash +Macro+Filter kit For Canon EOS 550d 7d 500d 1000d
US $124.91

5 x Rolls Fuji PROVIA 400X (new) -120 MEDIUM FORMAT--FRESH--expiry: 09/2013.
US $50.53

4 x Rolls Fuji PROVIA 400X (new) 35mm/36 exps--ULTRA FRESH--EXPIRES: 02/2013.
US $50.53

5 x KODAK TRI-X 400 Black & White NEG--35 MM/36 EXPS--FRESH--expiry:12/2013
US $37.89

5 x ILFORD FP4 B&W NEG Film--120 size--MED. FORMAT--ULTRA FRESH--expiry:12/2014
US $35.95

5 x KODAK EKTAR PRO 100 COLOR NEG film-35mm/36 exps-ULTRA FRESH--expiry:08/2013
US $39.84

5 x FUJI PROVIA 100F Colour Slide Film--120--MED FORMAT--expires:03/2013.
US $36.92

Fuji 16218221-FinePix JZ100--Black - Kit
US $150.99

58mm Wide 0.45x+Tele 2x+Flash+Filter set+Macro For Canon EOS 600d 1100d 7d D-slr
US $124.91

0.45x WIDE+FLASH+TELE 2x+FILTER LENS SET For Sony Alpha 55mm A450 A550 A500 A850
US $126.95

New WIDE+TELE+FLASH+MACRO+FILTER SET LENS FOR Sony A560 A580 A290 A390 55mm DSLR
US $126.95

Lomography 120 Black and White Negative CAMERA Film (ISO 100) NEW - Exp 12/2012
US $22.35

Kodak Professional Portra 800 ISO 120 CAMERA NEGATIVE FILM 1 ROLL - Exp 01/2014
US $14.58

Fujichrome Provia 100 ISO (RDP III) SLIDE TRANS CAMERA FILM 1 ROLL - Exp 11/2013
US $9.72

FUJIFILM NEOPAN ACROS ISO100 120 PRO BW (ONE ROLL) CAMERA FILM - Exp 02/2014
US $7.78

KODAK 120 PROFESSIONAL PORTRA 400 (ONE ROLL) COLOR NEG CAMERA FILM - Exp 03/2013
US $10.69

ILFORD DELTA PROFESSIONAL 120 BLACK & WHITE ISO 3200 CAMERA FILM - Exp 02/2013
US $10.69

KODAK PROFESSONAL TRI-X 120 ISO 400 BLACK & WHITE Camera Film NEW - Exp 11/2013
US $8.75

KODAK EKTACOLOR PRO 160 ISO 120 Film Negative Medium (One Roll) Camera Film NEW
US $8.75

Lomography 35mm ISO 800 Color Negative (Print) Film (3-Pack) - EXP 10/2013 AUS
US $22.35

Lomography 35mm Redscale XR 50-200 Color Negative Camera Film- EXP 01/2013 AUS
US $22.35

Fujifilm Pro 400H 35mm 36shots Color Negative Camera Film NEW - EXP 11/2013 AUS
US $14.09

Fujifilm Fujichrome Provia 100F 35mm Colour Slides Transparency Camera Film NEW
US $14.09

Fujifilm Neopan 400ISO 35mm 35shots Black & White Negative Film- EXP 10/2013 AUS
US $9.72

KODAK TMAX 400 ISO 35mm 36 NEGATIVE BLACK & WHITE Film NEW- EXP 01/2014 AUS
US $9.72

2x Tele+0.45x Wide+Flash+Macro+Filter kit For Pentax k-110d k-200d k-100d k-2000
US $119.95

New Wide Angle+Flash+Tele+ Filter lens Set For Nikon D7000 D3100 D5100 D3s D3000
US $119.95

2x TELE+WIDE 0.45x+FLASH+MACRO+FILTER Kit For Sony Alpha A380 A330 A230 55mm SLR
US $126.95

FUJIFILM VELVIA 50 iso (RVP) COLOR SLIDE TRANSPARENCY Film NEW- EXP 05/2013 AUS
US $14.09

Kodak Ultramax 400 ISO 35mm Camera Negative 36 Colour Film NEW- EXP 01/2014 AUS
US $5.83

0.45x Wide+Tele 2x +Flash+Macro+Filter Set For Nikon AF D3 D5000 D3000 D200 52mm
US $119.95

✹ 5 x Kodak Portra 400 ~ 135-36 C41 ~ march 2013
US $43.49

Wide 0.45x+2x Tele lens+Flash+Macro from +1 to +17+Filter kit For Canon Slr 58mm
US $129.99

Wide .45x+2x Tele+Flash+Macro+Filter kit For Olympus E-500 E-330 E-400 E-3 58mm
US $129.99

58mm lens kit Flash+Wide 0.45x+2.0x Tele+Macro+Filter set For Canon EOS 7d 500d
US $129.99

58mm kit Flash+Wide 0.45x+2x Tele+Macro+Filter set For Canon EOS 600d 1100d 550d
US $129.99

Flash+Wide 0.45x+2.0x Tele+Macro+Filter set For Olympus E-5 E-600 E-1 E-300 58mm
US $129.99

Wide 0.45x+2x Tele lens+Flash+Macro +Filter kit UV/CPL/FLD For Olympus Slr 58mm
US $129.99

New Wide 0.45x+2x Tele+Flash+Macro+Filter lens For Pentax k-x k-5 k-7 k-10d 52mm
US $119.95

Impeccable Panasonic Lumix G1 Camera, 2 lenses, filters, Lowe Case, Cool Blue
US $550.00

✹ 5 x Ilford Delta 100 ~ 120 B+W ~ june 2013 ✹
US $33.77

TEN Reloadable, Reusable DX 35mm Film Cassettes, Cartridges Great Shape
US $1.25

EzDigiMagic Desktop DVD Burner w/USB Host Image Viewer
US $380.00

EZDIGIMAGIC Desktop Blu-Ray Bunner w/USB Host & Viewer
US $617.00

✹ Fuji FP-3000B ~ Polaroid type 667 84 ~ instant B+W ~ june 2013 ✹
US $20.90

Fantasea Nano Digital Slave Flash, Protective Housing #6115
US $99.95

3 x FUJI NATURA 1600 Colour Neg Film--35mm/36 exps--FRESH--expiry:02/1013
US $39.84

4 x KODAK PORTRA 800 Colour Negative--35mm/36 exps--FRESH--expiry:12/2013.
US $49.56

5 x KODAK PORTRA 800 Colour Neg--120--MEDIUM FORMAT--FRESH--expiry: 01/2014
US $48.59

5 x KODAK TMAX 400 (NEW) B&W NEG--120--MEDIUM FORMAT--FRESH--expiry: 11/2013
US $35.95

TTL Coiled Remote Cord for Nikon SB-900 SB-800 SB-600
US $24.95

TTL Coiled Remote Cord for Nikon SB-900 SB-800 4m
US $30.95

5 x FUJI SUPERIA XTRA 400 Colour Neg Film--35mm/36 exps--FRESH--expiry:01/14
US $27.20

5 x ILFORD XP2 CHROMOGENIC B&W NEG FILM--35 MM/36 EXPS--FRESH--expiry:12/2013.
US $47.61

5 x ILFORD DELTA 400 B&W NEG Film--35mm/36 exps--ULTRA FRESH--expiry:07/2014.
US $45.67

Photo Trigger, High Speed Camera, Sound, Light, Laser, Flash, Intervalometer
US $199.00

CANON POWER SHOT SD940 IS
US $35.00

5 x KODAK PORTRA 400 (new) colour neg--35mm/36 exps--FRESH--expiry: 06/2013.
US $46.64

5 x KODAK PORTRA 400 colour neg--120--MEDIUM FORMAT--ULTRA FRESH-expiry: 10/2013
US $43.73

5 x KODAK PORTRA 160 (new) color neg--120--MEDIUM FORMAT--FRESH--expiry:10/2013
US $42.75

✹ 5 x Kodak T-Max 3200 TMZ ~ 135-36 B+W ~ april 2013 or later ✹
US $50.30

5 x KODAK PORTRA 160 (new) colour neg film--35mm/36 exps--FRESH--expiry:08/2013
US $44.70

5 x KODAK TMAX 100 (NEW) B&W NEG--35 MM/36 EXPOSURES--FRESH--expiry: 05/2013
US $39.84

5 x FUJI REALA 100 Colour Neg Film--120--MEDIUM FORMAT--FRESH--expires:01/2013
US $37.89

10 x FUJICOLOR 100 Colour Neg Film--35mm/36 exps--ULTRA FRESH--expires:04/2013
US $55.39

5 x FUJI VELVIA 100F Color Slide Film-35mm/36 exps--ULTRA FRESH-expires: 12/2012
US $63.16

5 x FUJI PROVIA 100F Slide Films-35mm/36 exps-FRESH
US $56.86

5 x AGFA PRECISA 100 SLIDE Film--35mm/36--exps--ULTRA FRESH--expires: 02/2014
US $38.87

NEW Pentax 645 Nii IN BOX + LENS + Flash + EXTRA
US $2,650.00

DOMKE FILMGUARD- LEAD LINED 15 ROLL FILM BAG, 711-12B, 9.5X8"
US $20.00

Profoto AcuteB 600R Second Battery Operated Flash
US $2,640.00

Fuji FP100C Instant Glossy Color Film -10 pack-
US $11.00

Fuji instax mini Picture Format Instant Film Twin Pack
US $16.49

PocketWizard 801-150 Flex Transceiver TT5 Bundle
US $418.00

Nikon F50 plus (Nikkor 35-70mm and Tamron Tele-Macro 90-300mm Lents)
US $200.00

FLASH+TELE+WIDE+ Filter kit For Olympus E600 E450 E620
US $136.99

Flash+tele+wide+filter Lens Kit for Pentax K-x 18-55mm
US $132.01

Canon 420 EZ Speedlite flash with case and manual
US $29.95

Archival Methods Drop Front Box 3" 16.5 x 20.5", Tan #1037
US $23.95

For film ISO 100 or 50 what are the best light conditions? Indoor? Outdoor? Bright sunlight? really dark?

I got film off of Ebay, most ISO 100, and two rolls are ISO 50. Some websites are telling me that the lower the number is for darker conditions. Other websites are telling me the exact opposite! That the higher numbers are for brighter lighting and lower is best for brighter. If anyone can point me to a clear guide or give me a reliable answer I'd really appreciate it! thanks!

You have been visiting some very misinformed websites.

ISO is simply a measurement of the sensitivity to light of a light sensitive surface, whether film or digital sensor.

The LOWER the number (25, 50, 100) the LESS sensitive and the more light required.

The HIGHER the number (200, 400, 800) the MORE sensitive and the less light required.

There is, of course, a trade-off. A low ISO film will give us the sharpest, most grain-free negatives which are suitable for making big enlargements - 11x14, 16x20. A high ISO film will give us grainy negatives which are suitable for smaller enlargements such as 4x6 or 8x10.

So a low ISO like the film you bought (50, 100) is best-suited for use outdoors on a sunny day or with a flash if used indoors.

Although a very old rule, the "Sunny 16 Rule" is still a good one to know. It states: "On a sunny day, set your aperture to f16 and your shutter speed to 1/ISO." So if we're out today and its sunny and we're using ISO 100 we can shoot at f16 and 1/125 sec. If we were using ISO 50 on a sunny day we'd be at f16 and 1/60 sec.

(NOTE: This Rule was invented when shutters were mechanical and were set at 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000 sec. so we used the shutter speed closest to the ISO of our film. Modern shutters are electronically controlled and, essentially, step less).

If we want to photograph indoors without flash then we'll need a high ISO - 400, 800, 1600. As stated earlier we'll lose sharpness and have increased grain at these higher ISO's but at least we'll have the picture.

So if we're shooting on a sunny day and want the very best results we should be using ISO 50 or 100 and have our camera on a tripod.

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Nikon D3s - High ISO Film