focal length should be adjusted to control depth of field and amount of light.
to control depth of field and amount of light what should be adjusted?
focal length
Na
Na
bullet::::- mine exploder t14: direct modification to a sherman tank, upgraded belly armor and reinforced tracks. cancelled.





























bullet::::- mine excavator t4: plough device. developed during 1942, but abandoned.





























bullet::::- mine excavator t5/e1/e2: t4 variant w/ v-shaped plough. e1/e2 was a further improvement.





























bullet::::- mine excavator t5e3: t5e1/e2 rigged to the hydraulic lift mechanism from the m1 dozer kit to control depth.





























bullet::::- mine excavator t6: based on the v-shape/t5, unable to control depth.





























bullet::::- mine excavator t2/e1/e2: based on the t4/t5's, but rigged to the hydraulic lift mechanism from the m1 dozer kit to control depth.





























section::::tank-based combat engineering vehicles.:m60.
military engineering vehicle