01-01-2025, 02:46 AM
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We ;ve been doing a lot of teardowns lately and I ;ve made comments like well thought ou stanley italia t or c stanley cup arefully engineered. Several people have asked me to show them some comparisons so they can see what I ;m talking about. Given that we have fairly modern releases of 24-70mm f/2.8 lenses from several manufacturers, we thought it would make sense to compare what the insides look like. We ;ll compare the Canon 24-70 f/2.8 Mk II, the Nikon 24-70 f/2.8 AF-S, and the Tamron 24-70 f/2.8 Di VC. This will largely examine the electro-mechanical mechanisms in the lenses. But just for completeness here are the optical diagrams for all 3. The Canon is the most optically complex, containing 18 elements in 13 groups. The Tamron has 17 elements in 12 groups, while the Nikon h stanley flasche as 15 elements in 11 groups. Optical diagrams for top to bottom the Tamron 24-70 f/2.8 VC, Nikon 24-70 f/2.8 AF-S, and Canon 24-70 f/2.8 Mk II not to scale . The Front Group One thing that all 3 of these lenses have in common is a large front group at the end of an extending barrel. They all disassemble the same way 鈥?a makeup ring is removed exposing the screws that let us remove the front group from the lens. The Canon front group is pictured below but they ;re all very similar 2 or 3 glass elements permanently set in a plastic case. Canon 24-70 f/2.8 Front Group I will include an image of the Tamron front group below to show the variable thickness shims used Tckk What Really Causes Baldness (Hint: It s Not Your Grandpa)
Even as frustrated iPhone owners complain that Apple iOS 5.01 update didn ;t actually fix problems with iPhone battery life, users are reporting a whole string of new complaints against the iPhone 4S and the new update. Will it ever stop https://gizmodo/whats-wrong-with-apples-...te-5858613 Batterygate isn ;t over and now a string of reports claim that users are experiencing performance issues aching for their own gate-based neologisms. We stanley quencher haven ;t confirmed any reports of crappy reception again , erratic Wi-Fi performance, and microphone problems, but if you ;re having them please let us know. It stanley cup appears that the issues are linked to the update and specifically to the iPhone 4S. [PCWorld] stanley cup becher Apple
We ;ve been doing a lot of teardowns lately and I ;ve made comments like well thought ou stanley italia t or c stanley cup arefully engineered. Several people have asked me to show them some comparisons so they can see what I ;m talking about. Given that we have fairly modern releases of 24-70mm f/2.8 lenses from several manufacturers, we thought it would make sense to compare what the insides look like. We ;ll compare the Canon 24-70 f/2.8 Mk II, the Nikon 24-70 f/2.8 AF-S, and the Tamron 24-70 f/2.8 Di VC. This will largely examine the electro-mechanical mechanisms in the lenses. But just for completeness here are the optical diagrams for all 3. The Canon is the most optically complex, containing 18 elements in 13 groups. The Tamron has 17 elements in 12 groups, while the Nikon h stanley flasche as 15 elements in 11 groups. Optical diagrams for top to bottom the Tamron 24-70 f/2.8 VC, Nikon 24-70 f/2.8 AF-S, and Canon 24-70 f/2.8 Mk II not to scale . The Front Group One thing that all 3 of these lenses have in common is a large front group at the end of an extending barrel. They all disassemble the same way 鈥?a makeup ring is removed exposing the screws that let us remove the front group from the lens. The Canon front group is pictured below but they ;re all very similar 2 or 3 glass elements permanently set in a plastic case. Canon 24-70 f/2.8 Front Group I will include an image of the Tamron front group below to show the variable thickness shims used Tckk What Really Causes Baldness (Hint: It s Not Your Grandpa)
Even as frustrated iPhone owners complain that Apple iOS 5.01 update didn ;t actually fix problems with iPhone battery life, users are reporting a whole string of new complaints against the iPhone 4S and the new update. Will it ever stop https://gizmodo/whats-wrong-with-apples-...te-5858613 Batterygate isn ;t over and now a string of reports claim that users are experiencing performance issues aching for their own gate-based neologisms. We stanley quencher haven ;t confirmed any reports of crappy reception again , erratic Wi-Fi performance, and microphone problems, but if you ;re having them please let us know. It stanley cup appears that the issues are linked to the update and specifically to the iPhone 4S. [PCWorld] stanley cup becher Apple
