![Hand-held or attachable, historic or modern? Some thoughts on light meters - Jörg-Peter Rau | JO GEIER - MINT & RARE Hand-held or attachable, historic or modern? Some thoughts on light meters - Jörg-Peter Rau | JO GEIER - MINT & RARE](https://www.jogeier.com/media/wysiwyg/JG_light_meters_c_Jo_rg-Peter_Rau_P4150636-2.jpg)
Hand-held or attachable, historic or modern? Some thoughts on light meters - Jörg-Peter Rau | JO GEIER - MINT & RARE
![Any good, comprehensive articles about how to use a light meter? Would also love to hear below those who use it, can't live without, and who don't use it at all :) Any good, comprehensive articles about how to use a light meter? Would also love to hear below those who use it, can't live without, and who don't use it at all :)](https://preview.redd.it/any-good-comprehensive-articles-about-how-to-use-a-light-v0-1qjfenxsmub81.jpg?auto=webp&s=13863cf519644dcadbe26ce0ae1d0c69b1ea510c)
Any good, comprehensive articles about how to use a light meter? Would also love to hear below those who use it, can't live without, and who don't use it at all :)
![Amazon.com : Quantum PAR Meter - High Precision, Grow Light meter, Indoor Plants meter, Good for Growing droseras and All Indoor Plants,Rechargeable : Patio, Lawn & Garden Amazon.com : Quantum PAR Meter - High Precision, Grow Light meter, Indoor Plants meter, Good for Growing droseras and All Indoor Plants,Rechargeable : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/61BfyFffIcL._AC_UF894,1000_QL80_.jpg)