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Hi all,
While trying out my LC-A+ instant back with the Wide Angle Lens, I realized the Instant Back gives a certain distance for focusing while the Wide Angle Lens has its own too. So I decided to take some test shots to determine the correct distance for focus for the three settings 0.8m, 1.5m, 3.0m on the LC-A+ with the combination of Wide Angle Lens + Instant back.
The right picture should be test done when focusing set on 3.0m not 1.5m as written.

When focus lever at 0.8m on LC-A+ & 0.5m on Instant back,

25cm one seems sharper.
When focus lever at 1.5m on LC-A+ & 0.8m on Instant back,

40cm seems sharper.
When focus lever at 3.0m on LC-A+ & 1.5m on Instant back,

65cm and 75cm seems sharper
Conclusion:
Seems the distance for focus is roughly half that written on the instant back when the Wide Angle Lens is attached. That makes it capable to focus down to 25cm!!
While trying out my LC-A+ instant back with the Wide Angle Lens, I realized the Instant Back gives a certain distance for focusing while the Wide Angle Lens has its own too. So I decided to take some test shots to determine the correct distance for focus for the three settings 0.8m, 1.5m, 3.0m on the LC-A+ with the combination of Wide Angle Lens + Instant back.
The right picture should be test done when focusing set on 3.0m not 1.5m as written.

When focus lever at 0.8m on LC-A+ & 0.5m on Instant back,

25cm one seems sharper.
When focus lever at 1.5m on LC-A+ & 0.8m on Instant back,

40cm seems sharper.
When focus lever at 3.0m on LC-A+ & 1.5m on Instant back,

65cm and 75cm seems sharper
Conclusion:
Seems the distance for focus is roughly half that written on the instant back when the Wide Angle Lens is attached. That makes it capable to focus down to 25cm!!