How can I remove the front glass of the Metz 58 AF 2

SOURCE: Metz 58 AF with Nikon d90 wont flash

If you hear rattling or a grinding sound/feel .. can be flash tubes broken.

SOURCE: Nikon D90 not taking picture with Metz 58 AF-1 N !

keep the camera mode MANUAL

Testimonial: "This advice was usefull."

SOURCE: I have three new Metz 58 AF-1N's, and a Nikon

take a silver paper and put in front of the slave censer when you take the photo flash on camera as master should go on silver paper OR used slaveunit

SOURCE: Metz flash 58 AF exploded

I repairs cameras/flashes/lens and studio lighting.

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SOURCE: I'm new to photography and

Metz 58 AF-1:
http://www.metz.de/fileadmin/fm-dam/Download/Photo_Electronic/Bedienungsanleitung/mecablitz/mecablitz_48_bis_76/mecablitz_58_AF_1_digital_Nikon_D_F_NL_GB_I_E.pdf

Nikon D50:
http://support.nikontech.com/app/answers/detail/a_id/13644