Denge Sound Mirrors

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In conjunction with the RSPB, I am excited to be offering this unique half-day photography workshop photographing the Denge Sound Mirrors.  
Date: Tue 4th Nov 2025
Time: 11:00 - 14:30
Price: £135.00
Group size: 6
Tutor / Guide: Robert Canis
Location: Greatstone, nr. Lydd, Kent. Should you be travelling by public transport, do get in touch as I would be very happy to pick you up from Sittingbourne train station and back again.
Duration: Half day
Classification: Workshop
Cost includes: Tuition and pre-workshop 'ideas' and editing tutorial.
Cost excludes: Getting to and from venue.
Fitness level: Moderate. Made up of loose shingle, the pathways can be quite hard going so I am afraid this workshop is not suitable for those that have restricted mobility and/or very limited stamina. From the meeting point, there is a walk of 500m along a 'normal' track and then a further 300m on loose shingle. There are no on-site toilet facilities. The nearest is Lade Car Park, Greatstone. Also, it is very exposed and other than the Sound Mirrors and bushes, no cover so you must be prepared for this.
Experience Level: Beginner upwards. An understanding of your camera and exposure, however, is necessary.
Equipment needed: Wide-angle through to telephoto, and in order to produce long-exposure images, ND filters (10 and 5/6 stop) are required plus a 2 or 3 stop ND graduated filter. Should you have these filters then great. If you don't, not to worry, I have several (including holders and adaptors) that Lee Filters have donated for use on my workshops. Those who receive these will work on a first come first served basis and should notify me upon booking. Lastly, a tripod.
Additional info:

Day free
Due to the unpredictability of the British weather, please leave the entire day free in case it is moved back or brought forward a few hours

Parking and transport
The exact meeting place will be given nearer the workshop date where there is plenty of on-street residential parking. 

Need a lift?
Should you be travelling by public transport, do get in touch as I would be very happy to pick you up from Sittingbourne train station and back again. 

Waiting list
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In conjunction with the RSPB, I am excited to be offering this unique half-day photography workshop photographing the Denge Sound Mirrors.  

Nestled on a private island, accessible, only, by a secure swing bridge, lie three relics of a pre-World War II aerial defence system. Also, known as Listening Ears, Concrete Dishes and Acoustic Mirrors, these huge concrete structures  - ranging in size from 20 to 200 feet - were built between 1928 and 1935 as part of Britain's national defence strategy as a means of detecting enemy aircraft long before it was visible. 

The Denge Sound Mirrors worked by using their curved surface to concentrate sound waves and focus them onto a microphone or a human listener equipped with then state-of-the-art stethoscopes. Once the receivers were adjusted for best reception, the results would be compared with those from one of the other ‘ears’ and used to calculate an aircraft’s height, speed, and flight path. 

This is the only location where all three designs can be seen together

Special opportunity for a limited period

In order to secure this workshop, special permission has been granted from the RSPB. This area is particularly important for its breeding bird population so it can only take place during the winter. This is a very special opportunity to obtain some truly unique photographs of these incredible structures where, other than our workshop group, no other members of the public will be present.     

RSPB contribution: A not insignificant percentage will go to the RSPB so not only will you have a great day out photographing but you will also be contributing to the conservation of our feathered friends!  

NEW: Pre-workshop 'ideas' and editing tutorial

Appreciating that, for some, such a location can be a little daunting, I thought it would be helpful if, prior to the day, everyone received a pre-recorded 'ideas' and editing tutorial where I give my thoughts and suggestions on photographing the Sound Mirrors and eventual post-processing. Such aspects will include long exposure, aspect ratios, filtration, B&W conversions, Masks and Graduated filters.

Upon reaching the mirrors, to refresh, I'll briefly reiterate what has been said on the recorded turoial such as compositional recommendations and advise on exposure and filtration. Given the relatively small area and in order to avoid being in each other's way, the group will be split in two between the mirrors and wall. After a while, you will be swapped around thereby giving everyone equal opportunity. 

With their hard, gritty appearance, such imposing features make for wonderful brutalist-esque images. Wide-angle lenses work fantastically well in exaggerating their curved surfaces. 

While ND filters, accentuate their bold outlines and 'stillness' within the landscape.

There are, as you can see, countless possibilities. 

Finally…

Thank you very much indeed for considering this workshop and should you have any questions - however small or insignificant you think they might be - then do drop me a line. I’m here to help and provide you with a wonderful fun day of inspirational photography in the company of like-minded enthusiasts.

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Workshop info

Thank you for dropping by and considering attending a workshop. I love nothing more than to pass on to others the knowledge I have gained over the last 30 years as a professional photographer and 15 as a workshop and tour leader. My group sizes are always small ensuring a fun and friendly group dynamic, lots of 'personal space' in which to photograph without too much fear of others getting in your way and as much tuition as you would like or feel that you need. I hope you can join me!

Although under the 'umbrella' of Workshops, please note there is a difference between the three types that I offer. To avoid any confusion, please see below.

Workshops

Those taking place in the UK are classed as Workshops where learning is the primary aim, and in the case of those which are multi-day residential, very often include image critique and post-processing sessions.

Tours

Overseas trips are classed as Tours where the logistics are all taken care of and where the emphasis is on getting you to great locations at the best time of the day. Since these may include hide photography and working in cold, windy conditions where one-on-one tuition isn't practical, these are less hands-on. However, prior to the hide session or upon arriving at a location, I will give advice and suggestions on composition, lens selection and exposure.

Creative Visions

Creative Visions is a new concept that I have designed to specifically nurture your artistic growth. They can take place in either the UK or abroad combining both workshop and tour principles. There will be critique and post-processing tutorials and, most importantly, you will be encouraged to go beyond the record and representational and instead produce more intimate creative interpretations.

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