Doran LDT Adjustable Luminescent 2.5" Dial Thermometer with 8" Stem Neumann aperture controls the size of

aperture controls the size of the sweet spot of focus

Weighing only 609g

use a separate rod clamp (not included) from the one that's connected to the shoulder pad

and percent of charge

Doran LDT Adjustable Luminescent 2.5" Dial Thermometer with 8" Stem Neumann aperture controls the size ofThe Premier Doran LDT Adjustable Luminescent 2. 5" Dial Thermometer with 8" Stem has easy to read Fahrenheit and Centigrade scales in 1 2 increments. The dial is hermetically sealed for use with developing tanks and faucet attachments. It is leak proof, will not fog, with crorrosion resistant stainless steel body and stem. Comes with an adjustable positioning clamp, and a calibration adjustment wrench that gives it precision accuracy to + 1 2.