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SLM9 User Manual v1.2

Contents



15

Illustration showing 9 hemi-photos taken automatically

(Canon 60D camera

and

4.5mm Sigma EXDC fisheye lens,

using

auto

exposure bracketing

together with

white balance bracketing

and with

Drive Mode

(p.81) set to low-speed continuous shooting.)

Shooting information for the central photo is shown at right.

These images are as displayed by the Canon DigitalPhoto Professional

software provided with the 60D camera.

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Summary of Contents for SLM9

Page 1: ...User Manual for the Self Levelling Mount type SLM9 Delta T Devices Ltd SLM9 UM 1 2 ...

Page 2: ...her language Copyright 2012 Delta T Devices Limited Design Changes Delta T Devices reserves the right to change the designs and specifications of its products at any time without prior notice Author Nick Webb User Manual Version 1 2 Sep 2012 Delta T Devices Ltd 130 Low Road Burwell Cambridge CB25 0EJ UK Tel 44 1638 742922 Fax 44 1638 743155 email sales delta t co uk tech support delta t co uk web ...

Page 3: ... 7 Using the Canon EOS 60D Camera 11 Taking Hemiphotos 11 Image Size and Compression 11 Camera Settings 12 Exposure 12 Taking the Picture 16 Use of Canon Remote Controls 18 Downloading Images to a PC 18 Trouble Shooting 18 Image Alignment in HemiView 19 Setting the Lens Equation in HemiView 20 Warranty and Service 21 Terms and Conditions of Sale 21 Service Repairs and Spares 22 Technical Support 2...

Page 4: ... Canon 60D digital SLR camera with a Sigma EX DC 4 5mm F2 8 circular fisheye lens For ease of use the mount is equipped with the following features Bubble level and adjustable levelling weights Compass for North South alignment viewable from above or below Markers used to align hemispherical photos in HemiView illuminated by the camera flashgun Optional rugged carrying case Optional monopod or tri...

Page 5: ...ts 5 Overview Gimbals Bubble level South marker Compass Sigma EXDC lens Canon EOS 60D Flash adapter Fibre optics light pipe Tripod North marker Mounting the camera 1 Locate pin 2 Tighten bolt Levelling adjustments Balance weights ...

Page 6: ...em on a tripod or monopod 2 Orient it to North using the compass 3 Level it using the bubble level and balance weights 4 Select appropriate camera settings 5 Avoid camera wobble using the self timer or a remote control not supplied or a laptop PC running the Canon EOS Utility image capture software 6 Use the live preview and review options in the camera or on a PC to check the image is OK 7 Replac...

Page 7: ...X DC fisheye lens to a Canon EOS 60D camera as described in the camera and lens manuals 3 Charge and install the camera battery as described in the camera manual 4 Fit a memory card as described in the camera manual 5 Set the lens to Manual and focus ring to Infinity as described in the camera and lens manuals 6 Release the built in flash p 129 of the EOS60D Manual and slide the SLM9 flash adapter...

Page 8: ...to the self levelling mount 8 Remove all i e both parts of the lens cap 9 When attaching the camera ensure that the gold line on the lens is parallel to the surface of the inner gimbal ring 10 Push the two alignment marker fibre optic cables into the holes in the flash adapter ...

Page 9: ...ws 3 together to move the inner ring 11 Adjust the balance weights so that the bubble indicator is within the central circle of the bubble level Tighten the thumbscrews to lock the weights 1 and or 2 in position Further adjustment in the East West direction can be made by adjusting both of the inner gimbal screws 3 together ...

Page 10: ... 12 Rotate the mount to point North 13 Re check the mount is level whenever you change the balance of the camera e g change the battery or flashcard or reposition the monitor Also check the lens alignment see 9 above if the camera receives a knock NORTH ...

Page 11: ... following notes will point you towards the appropriate sections of the camera manual Page numbers refer to current English version of the Canon manual Image Size and Compression There is a trade off between image quality and the number of images you can store on a memory card but HemiView work usually demands the best available resolution Using the largest image size at 5184 x 3456 pixels a typic...

Page 12: ...his SLM9 manual Note 1 Manually focus the lens to infinity unless under a very low canopy Note 2 Varying this to find the best contrast between sky and canopy Saving Settings You may fine tune your settings and save the configuration on the camera using the camera controls You can also configure it from your PC using the Canon software See also the Canon 60D User Manual and EOS software manuals Ex...

Page 13: ...r will indicate over exposure for open canopy and under exposure in closed canopies 2 Auto Exposure Set the camera to Program AE Auto Exposure mode P For more open canopies over expose using the exposure compensation setting up to the full 2 0EV for very open canopies 1 For more closed canopies under expose up to the full 2 0EV for mostly closed canopies If you have sufficient memory try exposure ...

Page 14: ...nderneath each picture the corresponding brightness histogram for the whole image and shooting information are given Note the time stamp and the auto exposure setting changes Incidentally the dark evergreen tree lower left dominates the dark end of these histograms Depending on your objectives you might want to edit it out in Photoshop say before using HemiView ...

Page 15: ...ma EXDC fisheye lens using auto exposure bracketing together with white balance bracketing and with Drive Mode p 81 set to low speed continuous shooting Shooting information for the central photo is shown at right These images are as displayed by the Canon DigitalPhoto Professional software provided with the 60D camera ...

Page 16: ...mpletes The beeper will sound the self timer lamp will blink and the shot will be taken Using PC Image Capture Software The Canon EOS 60D camera comes with a USB serial cable for connecting to a PC and Canon software on CD for acquiring and managing image files from the camera As an alternative to using the timer you may control the Canon 60D remotely via the USB serial cable connected to a notebo...

Page 17: ...acquisition and analysis process being controlled from a PC in the field using the Canon EOS Software and then HemiView Using a rugged notebook or tablet PC with the Canon 60D a canopy can be viewed live camera settings adjusted image captured and automatically imported into HemiView ...

Page 18: ...anon EOS Software Windows Instruction Manual for full details There are many ways to transfer images out of the camera Images may be transferred via a USB cable using the Canon software The flash card may be removed and read by a flash card reader connected to your PC USB port Note Images can be opened directly from a memory card in HemiView but this is not recommended because HemiView does not st...

Page 19: ... camera and for that reason the camera orientation and therefore the location of North was previously undefined in Hemiphotos HemiView software needs to be told where North is by dragging the north indicator to the North marker cone on the left To define the horizon correctly drag the white horizon line to intercept the flat top of the rim of each of the North and South markers as shown For full i...

Page 20: ...in HemiView Create a new lens with the following settings Settings Lens New Enter the coefficients in the Lens Properties dialog as shown below Field of View deg 180 0 a1 0 706900 a2 0 032900 a3 0 025600 a4 0 021097 When you exit HemiView this lens will be saved in the HemiView lenses csv file When using HemiView specify these lens properties for all hemi photos taken with Canon EOS 50D or 60D cam...

Page 21: ...r by repairing the goods free of charge at Delta T s premises in the UK during the warranty period If Delta T requires that goods under warranty be returned to them from overseas for repair Delta T shall not be liable for the cost of carriage or for customs clearance in respect of such goods However Delta T requires that such returns are discussed with them in advance and may at their discretion w...

Page 22: ...nd delay We normally expect to complete repairs within one or two weeks of receiving the equipment However if the equipment has to be forwarded to our original supplier for specialist repairs or recalibration additional delays of a few weeks may be expected For contact details see below Technical Support Users in countries that have a Delta T distributor or technical representative should contact ...

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