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Film Characteristics Table

Anyone who has used film were asked which type of film might scan better. Here we have a long list and some technical information about which one is better. Anyway, everybody have a personal opinion, but it may help.

Datasheet numbers added for Kodak Ektar 100, which incorporates recent advances from movie-film technology. Kodak claims that Ektar 100 is the finest-grained C-41 film available, and high-resolution scans seem to confirm this. Although Velvia 50 scans are a bit finer grained, it is an E-6 film. In scans, old freezer-stored Ektar 25 is noticeably grainer than Ektar 100. Datasheets are not always correct. Although Fuji claims that Pro 160S has lower RMS than Reala 100, this is not borne out by high-resolution scans. Reala is finer grained, but not as fine-grained as Ektar 100.

Sorted by grain, then resolution, then sharpness. Discontinued films are marked by “old” before their names. Kodak print films are listed separately because the manufacturer does not report RMS or resolution.

                               resolution lp/mm        under     characteristic
                        grain  at contrast  sharpness  over   curve max density  emulsion
                          RMS  1.6:1 1000:1   100%  latitude  blue   green  red   code

Fuji Pro 160S              3      63    125    20     ?/?     2.5 +c 2.3    2.0   160NS
Fuji Pro 160C              3      63    125    20    -3/+3    2.7 +c 2.5    2.2   160NH
Agfa Portrait 160         >3.5¹   60    150    11    -1/+3    2.7    2.3    1.8   XPS
Agfa Ultra 100             3.8    60    140    12    -2/+3    3.0    2.5    2.1   Ultra100
Rollei Scanfilm CN200     >3?      ?    130    ?      ?/?     2.1    1.8    1.7   unmasked
old Ektar/ Royal 25        4      80    200°   18    -1/+1    2.8    2.3    1.8   PHR/RZ
old Konica Impresa 50     <4      63    160    25    -1/+2    2.7    2.2    1.6   IMPRSA
Fuji Reala 100            <4      63    140²   20    -3/+4    2.7 +c 2.3    2.1   CS-6
old Fuji Reala classic     4      63    125    20   -1½/+4    2.7 +c 2.3    2.1   CS-2
Konica Cent_Super 100      4      63    125    22    -2/+3    2.9    2.4    1.9   C_100
Konica Centuria 100        4      63    125    22    -2/+3    2.9    2.4    1.8   C_100
Konica Pro 160             4      63    125    22    -1/+3    2.6    2.2    1.6   ?
old Fuji NPL 160 tungsten  4¹     63    125    20   -1½/+3    2.9 +c 2.4    1.9   NPL
old Fuji NPS 160          >4¹     63    125    20   -1½/+3    2.6 +c 2.2    1.7   NPS
Fuji Superia 100           4      63    125    19    -2/+2    3.1 +c 2.7    2.4   CN-12
Fuji NPC 160               4      60    125    22   -1½/+3    2.4 +c 2.3    2.2   NPC
Agfa Vista 100             4.0    60    130    15    -2/+3    3.0    2.5    2.1   V_100
Agfa Optima Prestige 100   4.0    50    140    16      ?      3.0    2.6    2.2   100-Y
old Agfa Optima II 100     4.0    50    140    16    -2/+3    3.0    2.6    2.2   Op_100
old Agfa HDC 100+          4.0    50    130    15    -2/+3    3.1    2.5    2.2   H100-2
old Agfa Ultra 50          4.3    50    140    18    -2/+1    3.2    2.8    2.4   Ultra50
Agfa Vista 200             4.3    50    130    14    -3/+3³   2.8    2.4    2.0   V_200
Agfa Optima Prestige 200   4.3    50    130    14      ?      2.8    2.4    2.0   200-Y
old Agfa Optima II 200     4.3    50    130    14   -1½/+3    2.8    2.4    2.0   Op_200
Agfa Vista 400             4.5    50    130    18   -2½/+5³   3.2    2.8    2.3   V_400
Agfa Optima Prestige 400   4.5    50    130    18      ?      3.2    2.8    2.3   400-Y
old Agfa Optima II 400     4.5    50    130    18    -2/+3³   3.2    2.8    2.3   Op_400
old Agfa HDC 400+          4.5    50    130    18    -2/+3³   3.2    2.5    2.2   H400-2
old Agfa HDC 200+          4.5    50    130    14   -1½/+3    3.2    2.5    2.2   H200-2
Fuji Superia 200           4      50    125    22    -2/+2    3.0 +c 2.7    2.3   CA-6
Fuji Pro 400H (NPH)        4      50    125    12   -2½/+5?   2.7 +c 2.4    1.9   400H
Fuji new! NPH 400          4      50    125    12   -2½/+5    2.7 +c 2.4    1.9   NPH *
Fuji Press/Superia 400     4      50    125    15    -2/+5    3.0 +c 2.7    2.3   CH-10
Konica Cent_Super 200      4      50    100    20    -2/+3    2.9    2.4    2.0   CS_200
Konica Centuria 200        4      50    100    18    -2/+3    3.3    2.7    2.4   C_200
Konica Centuria Pro 400    4      50    100    18    -2/+3    2.9    2.6    2.0   CS_400
Konica Cent_Super 400      4      50    100    18    -2/+3    3.2    2.7    2.4   CS_400
Konica Centuria 400        4      50    100    17    -2/+3    3.2    2.7    2.4   C_400
Fuji old NPH 400           4      50    100    11   -1½/+4½   3.2    2.7    2.4   NPH
Rollei Scanfilm CN400     >4       ?    130    ?      ?/?     2.1    1.8    1.7   unmasked
Fuji TrueDefinition 400   <5      50    125    25    -2/+5    2.4 +c 2.2    1.9   CH-11
Fuji Press/Superia 800    <5      50    125    13   -2½/+5    3.2 +c 2.8    2.5   CZ-5
Fuji Pro 800Z (NPZ)       <5      50    115    11   -3½/+5    2.6 +c 2.4    2.2   800Z
Fuji old NPZ              <5      50    115    11   -3½/+5    2.6 +c 2.4    2.2   NPZ
Konica Cent_Super 800      5      50    100    16      ?      3.4    2.8    2.4   CS_800
Fuji NHG II 800            5      50    100     7   -3¼/+4    3.2    2.8    2.5   NHGII
old Fuji Superia 800       5      50    100     7   -2½/+4    3.1    2.7    2.4   CZ-3
old Agfa Vista 800         5.0    40    110    17    -2/+5³   3.2    2.9    2.4   V_800
Konica Centuria 800        5      36    100    16    -2/+3    3.3    2.8    2.4   C_800
Konica Cent_Super 1600     6      50    100    14      ?      3.4    2.7    2.4   C_1600
Fuji Natura 1600 (Japan)   7      50    125    12      ?      3.2    2.8    2.4   ?
Fuji Press/Superia 1600    7      45     90    10    -2/+4    3.0 +c 2.75   2.5   CU-3
Konica 3200 @1600          9      40     80     6    -1/+3    3.0    2.6    2.2   SRG
old Fuji HG 1600          10      40     80     8   -1½/+3    3.1    2.7    2.1   CU-1
                                                                  c = cyan layer

                   Kodak PGI   resolution°   sharp  latitude  blue   green  red   code

new Ektar 100            <25      ?    154     25    -1/+3    3.1    2.5    2.0   Ekt100
old Ektar/ Royal 25      <25     80    200    exHi   -1/+1    2.8    2.3    1.8   PHR/RZ
old Supra 100             27      ?      ?    exHi   -2/+3    3.0    2.5    2.0   Sup100
old Royal Gold 100        28      ?      ?    exHi   -2/+3    3.0    2.5    2.0   RA-2
UltraColor 100            31      ?      ?     24    -4/+4    3.0    2.5    2.0   UC100
EliteColor 200            32      ?      ?     24    -3/+5    3.0    2.5    2.0   EC200
old (Royal) Supra 200     32      ?      ?     24    -2/+3?   3.0    2.5    2.0   ?/RS200
High Definition 200       32      ?      ?    exHi   -2/+3?   3.0    2.5    2.0   HD200
Portra 160 NC             32      ?      ?     24      ?      3.0    2.4    2.0   160NC-2
old Portra 100 tungsten   33      ?      ?    exHi     ?      3.0    2.5    2.0   100T
Portra 160 VC             34      ?      ?     24      ?      3.1    2.5    2.1   160VC-2
old Portra 160 NC         36      ?      ?     32    -2/+3    2.8    2.3    1.8   160NC
old Pro 100               36      ?      ?    exHi   -2/+2    2.8    2.6    1.9   PRN
old Supra 400            >36¹     ?      ?    vHi    -2/+5    3.2    2.7    2.2   Sup400
old Pro 400 MC           >37¹     ?      ?    vHi    -0/+3    2.7    2.3    1.9   PMC
old Vericolor 3 160       39      ?      ?     18    -0/+3    2.8    2.5    2.0   VPS
old (Royal) Supra 400     39      ?      ?     22    -2/+5?   3.1    2.6    2.1   ?/RS400-2
EliteColor 400            39      ?      ?     22    -3/+5    3.1    2.6    2.1   EC400
High Definition 400       39     50      ?    vHi    -2/+5    3.1    2.6    2.1   HD400
old Ektapr Multispeed    >39¹     ?      ?    vHi    -2/+4    3.3    2.8    2.3   PJM-2
old Portra 160 VC         40      ?      ?     30    -2/+3    3.0    2.5    2.0   160VC
Portra/ UltraColor 400   <40²     ?      ?     22    -3/+5    3.1    2.6    2.1   400UC
Portra 400 NC            <40      ?      ?     20      ?      3.0    2.4    2.0   400NC-3
old Portra 400 NC         40      ?      ?     20      ?      3.0    2.4    2.0   400NC-2
old Royal Gold 200        41      ?      ?    exHi   -2/+3    3.0    2.5    2.0   RB-2
old Ektapress 400         41      ?      ?    vHi    -2/+5    3.3    2.8    2.3   PJ400
old Royal Gold 400        41      ?      ?    vHi    -2/+3    3.3    2.8    2.3   RC-2
new Kodak Gold 100        42      ?      ?     26      ?      2.8    2.2    1.9   GA-7
Portra 400 VC            <42      ?      ?     22      ?      3.1    2.5    2.1   400VC-3
old Portra 400 VC         42      ?      ?     22      ?      3.1    2.5    2.1   400VC-2
old Pro 400               42      ?      ?    vHi   -1½/+2    3.0    2.5    2.0   PPF
Proimage/ Profoto 100     43      ?      ?    vHi    -2/+3    3.2    2.6    2.0   P_100-5
new Kodak Gold 200        44      ?      ?    vHi      ?      2.8    2.2    1.9   GB-7
orig Portra 400 NC        44      ?      ?     26    -2/+4    2.9    2.4    1.9   400NC
Bright Sun Gold 100       45      ?      ?     49    -2/+3    3.2    2.6    2.0   GA-6
new Ultra Max 400         46      ?      ?     hi     ?/?     3.2    2.6    2.1   GC-9
Sun & Flash Gold 200      47      ?      ?     hi    -2/+3    3.2    2.6    2.0   GB-6
orig Portra 400 VC        48      ?      ?     16    -2/+3    3.1    2.6    2.1   400VC
Max Versatility 400       48     50      ?     hi    -2/+4    3.2    2.6    2.1   GC-8
new Portra 800            48     50      ?     20    -3/+5?   3.2    2.6    2.1   P_800-2
Max Versatility + 800     48      ?      ?     hi    -3/+5    2.9    2.7    2.3   GT-4
Max Versa+ (Zoom) 800    >48¹    40      ?     hi    -2/+5    3.2    2.6    2.1   GT-3
old Gold Max 400          49      ?      ?     hi    -2/+3    3.2    2.6    2.0   GC-6
(Royal?) Supra 800        50      ?      ?     hi    -3/+6    3.2    2.6    2.1   Sup800
old Portra 800            50     40      ?     hi    -2/+5    3.2    2.6    2.1   P_800
old Ektapress 800         53      ?      ?     hi    -1/+5    3.2    2.4    2.1   PJ800-2
old Gold Max 800          57      ?      ?    med    -1/+5    3.2    2.5    2.1   GT-2
old Pro 1000              57      ?      ?    med    -1/+2    3.0    2.5    2.0   PMZ
old Royal Gold 1000       57      ?      ?    med    -1/+2    3.0    2.5    2.0   RF
old Ektapress 1600        57      ?      ?    med      ?      3.0    2.5    2.0   PJC

        B&W films        RMS    resolution   sharp  latitude  blue  green   red   code

Gigabitfilm 25 B&W         4     90¤   900      ?      ?      Rodinal             Copex
Gigabitfilm 40 B&W         5     90¤   720      ?      ?      Rodinal             Copex
Rollei Slide Direct 50     5?    ?     326     exHi    ?      RHS or RHC          SD50
Tech Pan 25 B&W            5     85¤   320     40    -1/+2    Technidol 1.2-1.8   TP
old Agfa Pan 25 B&W        7     80¤   200     21    -1/+2?   Refinal 6min 2.6    APX25
Fuji Neopan 100 B&W        7     60    200      ?      ?      ?                   Acros
T-Max 100 B&W              8     63   >200     50    -2/+3    T-max dev 1.9-3.1   TMX
Kodak BW400CN C-41        <9     50?   125?    20    -2/+4    3.1    2.6    2.1   BW400CN
Agfa Pan 100 B&W           9     ?     150     17    -2/+3?   Refinal 6min 2.6    APX100
Ilford XP2 Super C-41      9?    50?   125?    15?   -2/+4    lux 1 toe, 1.9      XP2
Portra B&W 400 C-41        9     50?   125?    15?   -2/+3    3.1    2.6    2.1   400BW
T400CN B&W C-41            9     50?   125?    15?   -2/+4    2.5    2.2    2.0   TCN
B&W Select 400 C-41        9?    50?   125?    14?   -2/+4    3.1    2.5    2.0   BWC
Tri-X 400 B&W            9-16    50    100     25    -1/+3    T-max dev 1.6-2.9   TX
T-Max 400 B&W             10     50    125     30    -2/+3    T-max dev 1.5-3.0   TMY
Fuji Neopan 1600 B&W      16     ?     ?       ?       ?      Acutol dev 1+14
old Tri-X 400 B&W         17     50    100     25    -1/+3    T-max dev 1.6-2.9   TX
T-Max P3200 @1000         18     40    125     16    -3/+3    T-max dev 1.8-2.9   TMZ

         slide films     RMS   resolution°   sharp  latitude  blue  green   red   code
                                                       <
Ilfochrome Micrographic    6      ?    365    15       ?      2.9    2.8    2.1   (ISO=1)
Fuji Astia 100F            7     60    140     8    -1½/+1½   3.5    3.5    3.3   RAPF
new Fuji 64T tungsten      7     55    115    10      ?/?     3.5    3.7    3.6   RTP(3)
Ektachrome 100g            8     63    140    10     -1/+1    3.8    3.6    3.2   E100G
Ektachrome 100gx           8     63    140    10     -1/+1    3.8    3.6    3.2   E100GX
new EliteChrome 100        8     63    140    10     -1/+1    3.8    3.6    3.2   EB-3
Fuji Velvia 100            8    <80¹   160    14     -1/+1    3.7    3.8    3.4   RVP100
Fuji Velvia 100F           8    <80¹   160    14     -1/+1    3.7    3.8    3.4   RVPF
Fuji Provia 100F           8     60    140    14     -1/+1    3.6    3.4    3.3   RDP3
Fuji new Sensia 100        8     60    140     8      ?/?     3.3    3.3    3.1   RA
new Fuji Velvia 50         9    <80¹   160     ?     -1/+1     ?      ?      ?    RVP50
Fuji Velvia 50             9    <80¹   160    21     -1/+1    3.7    3.8    3.4   RVP
Kodachrome 25            9-11    63    100    24     -1/+1    3.5    3.6    3.8   KM
Kodachrome 64           10-12    63    100    18     -1/+1    3.4    3.5    3.7   KR
old Fuji Provia 100       10     60    140    11     -1/+1    3.6    3.4    3.3   RDP2
old old Fuji 50D          10     60    140     ?     -1/+1     ?      ?      ?    RFP
Fuji 64T tungsten         10     55    135    25      ?/?     3.3    3.4    3.1   RTP2
old Fuji Astia 100        10     55    135    10    -1¼/+1¼   3.5    3.4    3.3   RAP
Fuji Sensia II 100        10     55    135    10    -1¼/+1¼   3.5    3.4    3.3   RA
Agfa RSX 50               10     55    135     9     -1/+1    3.4    3.9    3.5   RSX2
Ektachrome 100s           10     55?   125?   16     -1/+1    3.8    3.6    3.3   E100S
Ektachrome 100sw          10     55?   125?   16     -1/+1    3.8    3.6    3.3   E100SW
EliteChrome 100           10     55?   125?   16     -1/+1    3.8    3.6    3.3   EB-2
Agfa RSX 100              10     50    130     7     -1/+1    3.4    3.9    3.5   RSX2
Agfa CTprecisa 100        10     50    130     7     -1/+1    3.4    3.9    3.5   CTp
Ektachrome 64T tungsten   11      ?      ?    10      ?/?     3.4    3.2    3.0   EPY
old Fuji MultiSpeed @200  11     55    135    10     -1/+1    3.2    3.4    3.0   RMS
old old Fuji 100D         11     55    135     ?     -1/+1     ?      ?      ?    RDP
Fuji Provia 400X          11     55    135     9     -1/+1    3.3    3.5    3.2   RXP
old Fujichrome 100        11      ?      ?     ?     -1/+1     ?      ?      ?    RD
Konica Chrome R-100       11     50    125     8     -1/+1    3.3    3.2    2.9   R100
Agfa Scala 200 B&W        11     50    120     6     -1/+1    gray only 3.0 std   200x
Ektachrome 100vs          11     50    100    11     -1/+1    3.7    3.5    3.2   E100VS
EliteChrome EC 100        11     50    100    11     -1/+1    3.7    3.5    3.2   EBX
Ektachrome 100+           11     50    100     8     -1/+1    3.8    3.5    3.1   EPP
Ektachrome 100            11     50    100     7     -1/+1    3.7    3.4    3.1   EPN
Ektachrome 200            12     50    125     5    -1½/+1½   3.7    3.6    3.2   E200
EliteChrome 200           12     50    125     5    -1½/+1½   3.7    3.6    3.2   ED
Agfa RSX 200p             12     50    120     6     -1/+1    3.4    3.2    3.4   RSX2
Agfa CTprecisa 200        12     50    120     6     -1/+1    3.4    3.2    3.4   CTp
Fuji Sensia [3] 200       13     60    140    12     -1/+1    3.4    3.2    3.1   RM > 957102
old Fuji MultiSpeed @400  13     55    135    10     -1/+1    2.9    3.2    2.7   RMS
Fuji Provia 400F          13     55    135     8     -1/+1    3.3    3.4    3.2   RHP3
Fuji Sensia [3] 400       13     55    135     8     -1/+1    3.3    3.2    3.1   RH > 258404
Fuji Sensia II 200        15     50    125     7     -1/+1    3.4    3.2    2.9   RM
old Fuji Provia 400       15     40    125     5     -1/+1    3.3    3.2    3.1   RHP
Fuji Sensia II 400        15     40    125     5     -1/+1    3.3    3.2    3.1   RH
Kodachrome 200          16-19    50    100    16     -1/+1    3.1    3.2    3.5   KL
EliteChrome 400           19     50    125     3     -1/+1    4.0    3.4    3.2   EL
Ektachrome 400X           19     50    125     3     -1/+1    3.6    3.3    3.1   EPL
Ektachrome P1600        17-38    63     80     3     -1/+1    2.8    2.9    2.6   EPH
Fuji Provia 1600          25     40    100     7     -1/+1    2.6    2.4    2.2   RSP

¹ These films seem grainier or lower-res than their manufacturer ratings
² Reala seems > 125 lp/mm; 400UC seems < 40 PGI; RAPF exceeds RDP3 resolution by 5%
³ Agfa 400's -1/+3 latitude reported by manufacturer is too conservative
° unreported Kodak numbers from Pop Photo or http://medfmt.8k.com/mf/lenslpm.html
¤ as measured by Erwin Puts, see http://medfmt.8k.com/mf/resolution.html

Data taken from Agfa Professional and Agfa Consumer film datasheets, Fujifilm websites, Kodak (old), websites, and previously published information. Accuracy cannot be guaranteed. Exposure latitudes of slow films extrapolated from DX codes, but 400+ speed films were tested using a single sun-and-shade scene and judging results from Agfa minilab and HP S10 film scanner. Please e-mail corrections and emendations to me at CreeksYahoo.

Diffuse RMS (root mean square) measures the size of dye clouds, or grain as it was called with black & white film. RMS is simply a measurement of the variability in density using a densitometer trace across an area of even tone. Film with RMS 5 is twice as grainy as film with RMS 4. Resolution is lower in dark (low-contrast) areas than in bright (high-contrast) areas, so is measured at 1.6:1 and 1000:1 contrast levels, specified in line pairs per millimeter (lp/mm); double this number to get dots per millimeter. Sharpness is measured by MTF (modulation transfer function) at different values of lp/mm; numbers show where MTF crosses below 100%. Characteristic curves measure film contrast and color saturation. Maximum values for blue, green, and red are listed as a rough guide to the contrast of different films.

From Zeiss Camera Lens News 2003 #19 and 2004 #20, merged and sorted by resolution. These tests were done by microscope, so resolution is higher than can be obtained by scanning.

lp/mm   film name (type)
-----   ----------------
400     Gigabitfilm (B&W)
250     old Agfa Ortho 25 (B&W)
200     old Kodak Ektar 25 (C-41)
200     old Agfa APX 25 (B&W)
180     Kodak T-Max 100 (B&W)
170     Fuji Velvia 100F (E-6)
160     old Fuji Velvia 50 (E-6)
160     Kodak Farbwelt 400 (C-41)
160     Kodak Farbwelt 100 (C-41)
160     Fuji Neopan Acros 100 (B&W)
150     old Agfa Portrait XPS 160 (C-41)
150     Kodak Portra 400 (B&W)
150     Kodak Portra 160VC (C-41)
140     Kodak Portra 160NC (C-41)
140     old Kodak Tech Pan (B&W)
130     Kodak Ektachrome 100VS (E-6)
120     Kodak T-Max 400 (B&W)
110     Fuji NPZ 800 (C-41)
100     old Kodak Supra 400 (C-41)
 90     old Kodak Portra 800 (C-41)
 80     old Kodak Supra 800 (C-41)
 80     Maco Ortho PO 100 (B&W)

From Filmscan.RU, simplified, sorted by resolution (res) then tested ISO.

                  tested  log-of  usable   res   density
                   ISO  exposure   stops  lp/mm   range
                   ------------------------------------
Ilford XP2 super   350     1.80    6.0     145     1.59
Fuji Pro 160C      175     1.80    6.0     145
Elitecolor 200     160     2.40    8.0     145
ProPhoto 400BW     320     2.40    8.0     140
Fuji Press 1600    925     2.25    7.5     135*
Fuji Press 800     610     2.70    9.0     135
Kodak BW400CN      400     2.40    8.0     135     1.67
Fuji NPH 400       360     2.40    8.0     135
Kodak 400UC        335     2.70    9.0     135     2.06
Elitecolor 400     290     2.25    7.5     135
Fuji Pro 160S      195     1.80    6.0     135
Royal Supra 200    180     2.40    8.0     135
Ektachrome 100GX   100     1.05    3.5     135     3.12
Ektachrome 100G    100     1.20    4.0     135     3.12
Portra 100T        85      2.70    9.0     135
Superia 100        140     2.10    7.0     125
Royal Supra 400    240     2.40    8.0     120
Portra 160NC       145     3.00    10.0    120     1.77
Portra 400NC       450     2.85    9.5     115     1.65
Portra 160VC       155     3.00    10.0    115     1.84
Fuji Velvia 100F   100     1.35    4.5     115     3.06
Fuji Astia 100F    100     1.35    4.5     115     2.74
Portra 400VC       340     1.65    5.5     110     1.80
Superia 200        225     1.65    5.5     110
Fujichrome 64T     55      1.05    3.5     110     2.87
Royal Supra 800    530     2.70    9.0     100
Superia 400        270     2.70    8.0*    95
old Portra 800     590     2.70    9.0     90
                                                * must be wrong!

For a complete list of slide films by speed, see this table by R.T. Dowling. Slide film RMS measures differently than for print film, because RMS is correlated with contrast and slide film is contrastier. Divide slide film RMS by 2.5 to get a rough equivalent. I believe B&W film RMS is comparable to slide film, maybe a bit lower. RMS 4.0 ~= PGI 28, RMS 4.5 ~= PGI 41, and RMS 5.0 ~= PGI 53, but the equivalence is not linear and there seems to be a lot of slop in the reporting of RMS numbers. (Or else RMS does not really measure perceived grainyness; blue sky dotting seems to be mostly a function of low-contrast resolution). Thanks to Michael K. Davis for this conversion formula: RMS = (PGI / 0.5335) ^ (1 / 2.8669).

In his 1997 book Post Exposure, Ctein reports that a typical color negative paper can record about 65 lp/mm, while B&W paper can reach about 125 lp/mm. This is at odds with the generally accepted wisdom that it is useless to scan prints at more than 300 dpi (only 5.9 lp/mm).

For guidelines about which film to use when, film reviews, and samples to judge results visually, see the following:

For film scanning it’s worth knowing about the phenomenon of Grain Aliasing.

FAQ: What are Kodak High Definition, Royal Supra, and EliteColor?
High Definition and Royal Supra were similar films for US and non-US markets, with pro films Royal Supra 200 and 400 having thicker base plastic than High Definition. Elite Color 200 and 400 seem to be European rebrandings of Ultra Color, with the 200 speed jacked up because 100 speed film doesn’t sell in Europe. Kodak 400UC is a better film than HD 400 but usually costs a bit more. History: Royal Gold 100 was discontinued, Royal Gold 200 was improved as RB-3 and later renamed HD 200, Royal Gold and Supra 400 were merged into RC-3 and later renamed HD 400, and Supra 800 was renamed Royal Supra 800 without major change. There might be minor emulsion differences for specific markets. Advantix APS films share emulsion technology.

FAQ: How about Fuji Super HQ and Superia?
Super HQ is from excess production capacity and could be anything; Fuji has never issued a datasheet for it. Superia is their normal consumer line but is much less consistent than Fuji professional films such as NPS, NPH, and NPZ. Nexia APS films share emulsion technology with Superia.

Source California Creeks.

Thank you!

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