2019年11月25日 · Ok, so now that I have a M42 to K Mount adapter (and a Takumar 8 element 50/1.4 en route), I am curious to know what other really highly regarded M42 lenses that exist (be it rare)? Should I just do a simple lens search here using the lens search tool to find that answer, is the list sortable by rating?

Pentax lens review database with reviews of Pentax lenses including K-mount, M42 screwmount, 645, 6x7, and DA digital lenses. Exhaustive Pentax lens listings with reviews and technical specifications of Pentax lenses.

This week I bought a TTArtisan 75mm f1.5 Swirly Bokeh lens to use on my K-1 II. I have never used an M42 lens on my K-1 before, and although I have found some things online explaining how to use this lens, I am still a bit confused.

2010年1月10日 · As you may have realized, there is no such thing as the "best" 135mm m42 lens. I have tried many (I still have many) and apart from the Eyemik/Porst 135mm f/1.8, each and every lens I tested was at least very good. This is no surprise as the 135mm's were quite easy to make, and every brand at least had one in their catalogs.

2023年2月25日 · Lens Mount M42: Aperture Ring Yes: Diaphragm Automatic, 5 blades Optics 11 elements, 10 groups: Mount Variant M42 Stop-down Pin Check camera compatibility: Max. Aperture F4.5: Min. Aperture F16: Focusing Manual Min. Focus 20 cm : Max. Magnification 0.13x : Filter Size 58 mm : Internal Focus No

2010年8月12日 · Now, let's discuss metering. Since manual lenses don't feed aperture data to the camera, the only way for the camera to check how much light is being passed through the lens is to measure the light while the lens is stopped down. Follow this procedure to properly meter with a screwmount, M, or K lens: ___0.

2019年3月20日 · Takumar lens with the original M42 mount and a manual aperture ring The availability of lenses with preset aperture mechanism was a huge boon to SLR photographers. These lenses allowed the user to focus and frame with the lens wide-open and allowed the lens to be stopped down to a preselected aperture just before exposure.

2021年3月15日 · Lens Mount M42: Aperture Ring Yes: Diaphragm Semi-automatic, 10 blades Optics 6 elements, 5 groups: Mount Variant M42 Stop-down Pin Check camera compatibility: Max. Aperture F2.3: Min. Aperture F22: Focusing Manual Min. Focus 45 cm : Max. Magnification 0.09x : Filter Size 62 mm : Internal Focus No

Comprehensive listing of Pentax M42 Takumar screwmount lenses (Pentax M42 Screwmount Wide-Angle Primes - Lens Reviews and Specifications - SLR and Interchangeable Lenses), featuring screwmount lens reviews and M42 lens technical data.

2014年12月21日 · Found two extreme WA/wide angle lenses that are in M42 mount, a Phoenix 19-35mm lens (around $65 bucks on amazon) which I'm leaning toward since it also covers 3 prime wides: 24, 28, & 35mm. The second lens is a 24mm prime for $100 on cambridgeworld.com (don't know the brand name, they don't show the name). 2.