Data

useful links:

Using filters with Digital Photography

http://www.photo.net/equipment/filters/digital

Using filters with vintage cameras

http://throughavintagelens.com/2013/09/vintage-filter-systems/

Guide to thread pitches used throughout the site

ES European standard male threads 0.75 standard threads today

E European fine male threads 0.5: for older cameras

F fine male threads 0.5mm between threads - same as E

C Coarse male threads 1.0

M medium male threads 0.75... standard threads today

FR fine (0.5) female

MR med (0.75) female

NFT slim > no front threads

SO slip-on (over lens barrel)

SS set screw (tightens over lens barrel)

*step-up, step-down rings: First number is your lens size, second the filter size.

Guide to condition of filters for sale

*new filters

“new” - current or recent packaging.

“looks new” may be new (?) - out of original packaging

“n/o” - new filters in older packaging 7+ years.

NIB...new-in-box...older vintage filters

NIC...new in original leather or plastic case

( n/o B+W and Heliopan filters are non-slim )

*pre-owned filters

“clean” or “very clean” - used, near-mint condition - no flaws.

vg - used, good glass, some wear on frame

cs - with original leather or plastic case

unmtd - unmounted glass

MC - multi-coated; SC - single coated

(*) before the size - quantity discounts available

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All Nikon, B+W, Heliopan and other German filters are black anodized brass.

B+W and Heliopan filters are SC “single coated” on both sides...or

B+W “MRC” filters have “multi-resistant coating”

Heliopan “SH-PMC” filters have “super-hard premium multi-coating”

All other round filters are black anodized aluminum unless “chrome”.

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*Linear Polarizers are for manually operated cameras

*Circular Polarizers recommended for AF and Digital cameras

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Guide to Neutral Density filters

ND Wratten # Filter factor (ff) Increase exposure stops

0.1 1.25 1/3

0.2 1.50 2/3

0.3 2x 1

0.4 2.5 1-1/3

0.5 3 1-2/3

0.6 4x 2

0.7 5 2-1/3

0.8 6 2-2/3

0.9 8x 3

1.0 10 3-1/3

1.2 16 4

1.8 64 6

2.0 100 6-2/3

2.4 8

2.7 9

3.0 1000 10

4.0 10k 13-1/3

Kodak Wratten numbering system

http://www.forensictv.net/Downloads/digital_imaging_and_photography/ kodak_wratten_filters_by_michael_j._brooks.pdf

Basics for digital or film

UV - Haze Basic reduction of UV light...

Filter Factor 0 - 0 stops

Skylight 1A, 1B - B+W KR1.5 - Nikon L1A, L1B

Cuts UV light - pinkish cast for blue haze reduction...

Filter Factor 1 - 0 stops

Linear / Circular Polarizer

General use in outdoor photography - produces deeper skies and alters reflections.

Filter Factor 3-4...1-2/3 - 2 stops

Infrared 89B - B+W 092 - Hoya R72
Infrared 87 - B+W 093 - Hoya RM90

Enhancing Filter - Hoya Intensifier

Intensifies the yellow, orange, red spectrum while not affecting other colors, use with Polarizer to intensify blue skies. Enhances faded fabrics, fall foliage and landscape.

Filter Factor 1.4 - 1/2 stop

filters for black and white photography

General rule:

filters lighten their own color and darken their opposite

Yellow 5 - Y1 - Nikon Y44

Light yellow filter for mild contrast...high-altitude UV...Filter Factor 1.4 - 1/2 stop

Yellow 8 - Y2 - B+W 022 - Hoya K2 - Nikon Y48
This medium yellow filter offers the most correct tonal range contrast for clouds against blue skies...

Filter Factor 2 - 1 stop

Yellow 12 - Nikon Y52
Cuts haze in aerial work; used with color infrared; more contrast than yellow 8

Filter Factor 2.2 - 1 stop

Yellow 15 - B+W 023

Enhances landscapes, marine scenes and aerial photography with more dramatic effects than yellow 8 ...

Filter Factor 2.5 - 1-1/3 stop

Orange 16 - B+W 040 - Hoya G

More dramatic effect than Yellow 15...

Filter Factor 2.5 - 1-1/3 stop

Orange 21 - B+W 041 - O2 - Nikon 056

Absorbs blue and blue-greens.

Blue skies darken with dramatic cloud contrasts.

Foliage blackens.

Filter Factor 7 - 2-2/3 stops

Red 23A

Light red producing contrast effects that darken skies, water, rock formations and architecture...

Filter Factor 6 - 2-1/3 stops

Red 25A - B+W 090 - Nikon R60

Dramatic sky effects and cloud contrast.

Useful with Infrared films
Filter Factor 8 - 3 stops

Red 29 - B+W 091

Dramatic sky effects and cloud contrast. Useful with Infrared films. Deeper effect than 25 Red.

Filter Factor 10 - 4-1/3 stops

Yellow-Green - Hoya XO - B+W 060

Used with outdoor portraiture for good skintones when landscape is important. Enhances highlites in foliage, grass and trees. Same sky contrast as yellows.

Filter Factor 2.5 - 1-1/2 stop

Green 11 - B+W 061 - Hoya X1

Used with outdoor or studio portraiture for rich skintones;

Enhances shadows and highlites in foliage, grass and trees...Filter Factor 4 - 2 stops

Green 58

Dramatically lightens and enhances shadows and highlites in foliage, grass and trees.

Cyan Blue 38

Minimizes contrast; Bleaches daytime skies.

Blue 47, 47B

Accentuates fog; minimizes contrast giving shots a

wintery effect

warming filters for digital or film

Tiffen 812 - Tiffen FX Warm

Absorbs bluish haze in scenics; Adds warmth to skintones, similar to a dense skylight.

Filter Factor 1.5 - 2/3 stop

81A

Converts Tungsten 3200K Type B film to 3400K w/ indoor lighting

Warms up scenes and portraiture on overcast days w/ Daylight film... Filter Factor...1.4 - 1/2 stop

81B

Used with outdoor portraiture for good skintones when landscape is important. Stronger effect than 81A

Filter Factor 1.4 - 1/2 stop

81C - B+W / Heliopan KR3

Same as 81B but has increased effect

Filter Factor 1.5 - 2/3 stop

81EF

Same as 81C but has increased effect

Filter Factor 2.0 - 1.0 stop

color correction / color balance

Using Cinestill films

https://cinestillfilm.com/pages/frequently-asked-questions

80A - B+W KB15 - Nikon B15

Balances daylight film for use with most standard household tungsten lighting or studio lighting...converts 3200K to 5500K....Filter Factor 2.4 - 1-1/3 stops