Rhododendron -- Flower at 1:5

Shooting in macro mode, techniques, tips & tricks

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richard1karash
Posts: 13
Joined: 25.04.2007 22:01

Rhododendron -- Flower at 1:5

Unread postby richard1karash » 19.06.2007 04:46

More on whether to move the camera, re-focus, or (on a bellows) move the rear standard.

This is one blossom of a Rhododendron at about 1:5. I don't see any troubling artifacts with any of the three approaches.

See below. All with 105mm Bellows Nikkor on bellows to Olympus e-330. The flower is 70mm wide; the pistil is 20-30mm in front of the petals.

It's really nice to have lots of depth-of-field!
Attachments
MoveRig15Helicon800.jpg
15 slices by moving the whole camera rig. Slight artifact: a border of unsharp background paper around the outer edge of the flower (e.g. at 4 O'Clock position). Also out-of-focus border around whole image, most visible on RHS and LHS.
MoveRig15Helicon800.jpg (105.1 KiB) Viewed 5535 times
Last edited by richard1karash on 19.06.2007 05:09, edited 1 time in total.

richard1karash
Posts: 13
Joined: 25.04.2007 22:01

Unread postby richard1karash » 19.06.2007 04:49

Slices by moving the rear standard, keeping the lens in the same position.
Attachments
MoveSensor5Helicon800a.jpg
5 slices by moving the rear standard, keeping the lens in the same position. At 1:5, the position of the rear standard is so sensitive that I could get only 5 slices; at higher magnifications >1:1, I think moving the rear standard will be the easiest way
MoveSensor5Helicon800a.jpg (105.84 KiB) Viewed 5532 times

richard1karash
Posts: 13
Joined: 25.04.2007 22:01

Unread postby richard1karash » 19.06.2007 05:37

Finally, slices by moving the lens, keeping same film plane. Except for the change in image size, differences in the last 5% at the edge, I don't see much difference in these. Thus, with camera motions small enough that the perspective doesn't change, it doesn't matter how you do the slices.
Attachments
MoveFocus18Helicon800.jpg
18 slices by moving the lens, keeping same film plane. Water droplets on petals have evaporated, so the reflection highlights have changed slightly.
MoveFocus18Helicon800.jpg (95.04 KiB) Viewed 5530 times

richard1karash
Posts: 13
Joined: 25.04.2007 22:01

Rhododenron Flower

Unread postby richard1karash » 19.06.2007 05:57

And, here's the view I like better.

Dan, your product Helicon Focus is just terrific.
Attachments
Rhododendron_6180415-Scr.jpg
105mm Bellows Nikkor on Olympus e-330 with bellows. Full spectrum fluorescent lighting. 1/10 sec at f/8. Front petal of flower is a little soft, I could have used one more slice.
Rhododendron_6180415-Scr.jpg (91.08 KiB) Viewed 5527 times


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