Self Levelling Camera Mount type SLM1

Features

The self levelling mount (SLM) is intended for use with either a tripod or a monopod.The SLM is designed for use with the Sigma 8mm Fisheye lens.If desired, but with the loss of bubble level, LED image markers and compass, themount can be used with the Nikon 8mm lens.

For ease of use, the mount is equipped with the following features:-

• Bubble level with levelling sliding weights• Compass for North/South alignment• LED image markers used to align Hemiphots• Lens/inner gimbals cover

SLM with Lens/inner gimbals coverremoved LED Markers

Bubble Level

Compass

Bubble Level

Assembly Instructions

1. Fix the SLM1, preferably to a tripod for stability, using the ¼" UNC threaded holein the base of the outer support

2. Remove the rubber “friction” band from the Sigma lens, unless it has beensupplied as part of a system, in which case it will have been already removed.

3. Insert the lens into the aluminium collar. Secure in place with the socket capscrew using the 4mm hex driver supplied (Fig. 3). Unless the lens has beensupplied as part of a system when it will have been already fitted to the collar.

4. Affix the sigma lens and collar to the camera body5. Release the pressure on the inner gimbals support screws (Fig. 1). Do not

unscrew the inner gimbal supports completely6. Tip the inner carriage slightly (Fig 2) and slacken both socket cap screws of the

inner gimbal plate7. Tip the camera and collar assembly slightly and insert the assembly into the inner

gimbals, align the assembly as shown below8. Secure the assembly by tipping the inner gimbals and tightening the exposed

socket caps (Fig 2)9. Tighten the inner gimbal support screws until the assembly swings freely but

damps quickly. Do not overtighten the gimbal support screws10. Slide the LED power supply unit (PSU) onto the camera body and connect the

LED’s to the PSU using the connector provided (Fig. 4)11. Level the mount by sliding the levelling weights to the appropriate position (the

levelling may need frequent adjustments as the film winds from one side of thecamera to the other)

Fig. 1 Fig. 2

Fig. 3 Fig. 4

Inner GimbalSupport

Instructions for Use

The design of SLM is suitable for above or below the understory, and can be usedfixed to a tripod or monopod. The use of suitable climbing equipment can elevate themount above high (>3m ) understories (Fig. 5).

To operate:-

1. Remove the lens cover2. Carefully level the mount using the balance weights andbubble level3. Align the mount for North/South orientation using the built incompass or a more accurate hand held compass4. Select an appropriate aperture setting5. Set the camera self timer, press the shutter release and putthe mount at the required height.6. Check that mount is still levelled (after some film has beentransferred from one side of the camera to the other) beforerepeating the process.7. Replace lens cover to prevent dirt or damage to the lens.

Appropriate conditions and settings for acquiring hemiphots are described in themanual that accompanies Hemiview software. If Hemiview software was notpurchased with this SLM, copies of Hemiview software manual can be purchased bycontacting Delta-T Devices Ltd at the address found on this manual.

Fig. 5

Monopod andclimbing equipment