DPI

# Samples

IR clean

Sharpen

O/P reduce

Size

IRD LZW

IRD Zip

Comment

1600

3

light

light

none

8.6M

-

-

Res too low

2400

1

light

light

none

17.4M

-

-

Res too low

2400

3

light

light

none

16.4M

-

-

Res too low

2400

5

light

light

none

16.5M

-

-

Res too low

3200

1

light

light

none

30.5M

-

-

3200

3

light

light

none

28M

23.5M

21.6M

3200

3

light

none

none

23.9M

-

-

3200

4

light

none

none

23.7M

-

-

3200

10

light

light

none

28.2M

-

-

3200

10

light

none

none

23.9M

-

-

4000

1

light

light

none

50.7M

-

-

4000

3

light

light

none

47M

39M

35.4M

Maybe worth using

6400

1

light

light

none

134.6M

-

-

6400

3

light

light

none

115.9M

84.1M

-

6400

3

light

none

x2

27.2M

-

-

(3200) Minor loss of detail