Graflex Crown or Speed Graphic 4x5 large format camera extension (top hat) lens boards.
Does not fit first two models with small (year1912-1927) and 4" board (year 1928-1939 and 1940-1947).
Board is the same size as Super Speed but slightly thinner. Super Speed camera is not available for us to test fit. Fit is not guaranteed on Super Speed models.
There might be some other undocumented sizes.
Board size is 92.7mm x 94 or 3.65"x3.71". Please measure and make sure this is the correct size for your camera.
Please note that extension boards can cause mechanical vignetting with extreme extension lengths and camera movements.
Boards are 3d printed from black ABS for longevity and durability.
At the back there is additional frame for maximum rigidity.
Camera and lenses in the pictures are not included with the listing and are only used for illustration purpose.
Boards are available in following extension boards as standard:
1. 25mm (1inch)
2. 50mm (2inch)
3. 75mm (3inch)
Please inquire if you need deeper or specific custom depth recess.
Hole sizes available:
- Blank board - undrilled (printed solid without infill in order to enable clean and easy drilling - increased 3 mm thickness in the area to be drilled)
- Compur #00 - 26.3mm
- Copal and Compur #0 - 34.6mm
- Copal and Compur #1 - 41.6mm
- Leica Thread Mount - M39 - Enables adapting multitude of LTM lenses in normal or reversed orientation.
- M42
- Custom size hole (please inquire if bigger than above).
Please allow 7-10 day lead time for all options. Boards will be made on demand when ordered.
If you need boards shipped quickly outside of North America, please inquire about shipping with UPS. Available at discount.
There are also pinhole boards with interchangeable pinhole inserts available for Sinar, Graflex, Copal 0/1 and 3 adapters and other cameras in our other listings.
3D printing process produces dimensionally accurate objects but slight surface imperfections/scuffs can be visible from the process.
Please take a look at the pictures. They were taken with flash and surface variations and small specs of dust are far more visible than in real life.
Lenses mounted on the camera give you more realistic look.
Other not listed combinations of lens boards possible. Combined shipping available with other listings.
Buyer is responsible for customs and duties.
All Canadian orders are subject to applicable taxes.